Quantum Companies: The Mega List

We have gathered over 400 quantum technology companies from around the globe into one place. From quantum start-ups to well-established companies, the list includes often written-about companies such as Xanadu, IBM and Microsoft.

Quantum technology companies focus on developing and deploying technologies based on quantum physics. As quantum physics deals with phenomena on a microscopic scale, such as atoms and subatomic particles, it allows for significant advancements in computation, communication, and precision measurement.

Here’s a brief overview of the main categories of quantum technologies and the type of companies operating in those spaces:

Quantum Computing Companies

These companies are focused on developing quantum computers, devices that use quantum bits or ‘qubits’ instead of classical bits to perform computations. Quantum computers hold the potential to solve certain types of problems much faster than classical computers. Leading companies include IBM, Google, Microsoft, and D-Wave Systems. Startups like Rigetti Computing, IonQ, and Quantum Circuits are also making significant strides in this space.

Quantum Software and Algorithm Companies

These companies focus on creating software and algorithms that can take advantage of the unique properties of quantum computers. This includes developing quantum versions of machine learning algorithms, creating software to simulate quantum systems, and building tools to program quantum computers. Examples include companies like Zapata Computing, 1QBit, and QC Ware.

Quantum Communication and Cryptography Companies

This involves creating secure communication systems using quantum key distribution (QKD). In theory, QKD can provide a level of security that is unachievable with classical communication systems. Companies in this space include ID Quantique and Quantum Xchange.

Quantum Sensors and Metrology Companies

These companies aim to develop highly sensitive and accurate sensors and measurement devices using quantum phenomena. Such devices could have applications in areas such as navigation, imaging, and environmental monitoring.

Quantum Materials Companies

This field involves the development and study of materials that exhibit quantum effects, which could be used to build more efficient quantum devices. Companies like Qubitekk and Quantum Opus fall into this category.

01 Communique

• Key Person: Andrew Cheung (CEO)
• Year Founded: 1992
• Focus: 01 Communique offers quantum-safe encryption solutions for secure communication and data protection.
• Quantum Technology: Quantum-safe encryption solutions.
• Website: https://www.01com.com/
• Similar Companies: ISARA Corporation, Post Quantum, Crypta Labs

1QBit

• Key People: Andrew Fursman (Co-Founder & CEO)
• Year Founded: 2012
• Technology: 1QBit provides quantum software solutions to help organizations solve complex computational problems.
• Company URL: https://1qbit.com/
• Similar Companies: Cambridge Quantum Computing, Zapata Computing

A Quantum*

• Key Person: Hidetoshi Nishimori, Koji Funabashi
• Year Founded: 2018
• Quantum Technology: Quantum science and technology research.
• Website: https://www.a-star.edu.sg/
• Similar Companies: Rigetti, IBM, CQC

Accubits Technologies

• Key People: Mr. Jithin VG (Co-Founder & CEO)
• Year Founded: 2012
• Technology/Innovation: Accubits Technologies focuses on the development of quantum-inspired algorithms and software solutions for various industries.
• Website: www.accubits.com
• Similar Companies: QC Ware (USA), Rigetti Computing (USA)

Adaptive Finance Technologies

• Key Person: Emmanuel Gadaix (CEO)
• Year Founded: 2018
• Quantum Technology: Quantum algorithms for financial portfolio management.
• Website: https://www.adaptive-finance.com/
• Similar Companies: 1QBit, QxBranch, QuantumBlack (A McKinsey Company)

ADVA

• Key Person: Brian Protiva (CEO)
• Year Founded: 1994
• Focus: ADVA offers advanced networking and communication solutions, including quantum-safe encryption for secure data transmission.
• Quantum Technology: Quantum-safe encryption solutions.
• Website: https://www.adva.com/
• Similar Companies: ID Quantique, Quantum Xchange, ISARA Corporation

AegiQ

• Key Person: Joachim Witzens (CEO)
• Year Founded: 2017
• Focus: AegiQ develops quantum-safe encryption solutions and quantum photonic technologies for secure communication and data protection.
• Quantum Technology: Quantum-safe encryption and quantum photonic technologies.
• Website: https://www.aegiq.com/
• Similar Companies: ID Quantique, QuintessenceLabs, QuantumCTek

Agnostiq

• Key Persons: Dr. Jan Goetz (Founder and CEO)
• Year Founded: 2019
• Quantum Technology: Quantum software development and security.
• Website: https://www.agnostiq.ai/
• Similar Companies: Q-CTRL, Rigetti Computing, Zapata Computing

Algorithmiq

• Key Person: Sabrina Maniscalco 
• Year Founded: 2020
• Focus: Algorithmiq develops quantum-inspired algorithms and optimization solutions for solving complex business and operational problems.
• Quantum Technology: Quantum-inspired algorithms and optimization solutions.
• Website: https://algorithmiq.fi/
• Similar Companies: D-Wave Systems, 1QBit, Rigetti Computing

Alice & Bob

• Key People: Raphaël Lescanne (CEO), Théau Peronnin (CTO)
• Year Founded: 2020
• Technology: Alice & Bob is focused on building a fault-tolerant universal quantum computer using superconducting qubits.
• Company URL: https://alice-bob.com/
• Similar Companies: Rigetti Computing, IBM Quantum, IonQ

Aliro Quantum

• Key People: Jim Ricotta (CEO)
• Year Founded: 2019
• Technology: Aliro develops quantum networking and cloud access platforms.
• Company URL: https://aliroquantum.com/
• Similar Companies: Strangeworks, Inc., Q-CTRL

Alpes Lasers SA

• Key People: Unknown
• Year Founded: Unknown
• Technology/Innovation: Alpes Lasers SA specializes in advanced semiconductor laser technology, which can have applications in quantum technology.
• Website: www.alpeslasers.ch
• Similar Companies: Qnami (Switzerland), Picosecond Pulse Labs (USA)

ALPhANOV

• Key People: Unknown
• Year Founded: Unknown
• Technology/Innovation: ALPhANOV is involved in the research and development of various technologies, including quantum technology applications.
• Website: www.alphanov.com
• Similar Companies: NTT Research (Japan), NEC Corporation (Japan)

Alpine Quantum Technologies GmbH

• Key People: Dr. Martin Stützle (Co-Founder & CEO), Dr. Tobias Kippenberg (Co-Founder)
• Year Founded: 2018
• Technology/Innovation: Alpine Quantum Technologies focuses on developing advanced quantum hardware and software solutions with applications in quantum simulation and optimization.
• Website: https://www.aqt.eu/
• Similar Companies: IBM Quantum (USA), Rigetti Computing (USA)

Alter Technology

• Key Person: Deven Patel
• Year Founded: 2006
• Focus: Alter Technology specializes in the testing, qualification, and evaluation of components and systems for various industries, including quantum technologies. They provide services to ensure the reliability and performance of quantum devices.
• Website: https://www.altertechnology.com/
• Similar Companies: VTT Technical Research Centre of Finland, ID Quantique, Keysight Technologies

Alternatio

• Key Persons: Masz Szczesniak
• Year Founded: 2016
• Technology: Alternatio is a quantum technology company focused on developing quantum-inspired algorithms and software solutions for optimization and data analysis. They aim to provide advanced computational tools based on quantum principles.
• Website: https://alternatio.pl/
• Similar Companies: Zapata Computing, 1QBit, QC Ware

Amber Flux

• Key Person: Muralidhar Goparaju, Raghavendra Gudipudi
• Founded: 2019
• Technology: Amber Flux is a quantum software company that focuses on developing simulation tools and algorithms for quantum chemistry and materials science applications.
• Website: https://www.amberflux.com/
• Similar Companies: Zapata Computing, 1QBit, QC Ware

Anametric

• Key Persons: WIl Oxford
• Year Founded: 2017
• Focus: Anametric focuses on developing and commercializing advanced technologies in the fields of sensing, imaging, and quantum technologies.
• Website: www.anametric.com
• Similar Companies: Qnami, ColdQuanta, Quantum Opus

Ankh.1

• Key Persons: Dr. Oleg Baranov (Founder)
• Year Founded: 2018
• Focus: Ankh.1 focuses on developing quantum algorithms and quantum machine learning solutions for solving complex optimization problems.
• Quantum Technology: Quantum algorithms and quantum machine learning.
• Website: https://ankh.one/
• Similar Companies: 1QBit, QC Ware, Zapata Computing

Anyon Systems Inc.

• Key People: David Kriheli (CEO)
• Year Founded: 2014
• Technology: Anyon Systems provides the quantum engineering community with state-of-the-art design automation tools and services for quantum devices.
• Company URL: http://anyonsys.com/
• Similar Companies: Quantum Circuits, Inc., Quantum Factory GmbH

AOSense Inc.

• Key Persons: Brenton Young and Mark Kasevich
• Year Founded: 2004
• Quantum Technology: Atom optics and atomic sensor technologies.
• Website: https://aosense.com/about/
• Similar Companies: Honeywell Quantum Solutions, ColdQuanta, QuSpin

ApexQubit

• Key Persons: Denis Farnosov and Ilya Mitrakhovich
• Year Founded: 2018
• Quantum Technology: Quantum computing hardware, software, and applications.
• Website: https://www.apexqubit.com/
• Similar Companies: Rigetti Computing, IBM Quantum, IonQ

AppliedQubit

• Key Persons: Dr. Andreas Fuhrer (CEO)
• Year Founded: 2019
• Quantum Technology: Quantum computing software and algorithms.
• Website: https://appliedqubit.com/
• Similar Companies: Zapata Computing, 1QBit, QC Ware

Aqemia (École Normale Supérieure)

• Key People: Dr. Marcou Gilles (Co-founder)
• Year Founded: Unknown
• Technology/Innovation: Aqemia is involved in quantum chemistry and molecular simulations using quantum computing techniques.
• Website: https://www.aqemia.com/
• Similar Companies: QC Ware (USA), Zapata Computing (USA)

AQTION

• Key People: Dr. Jan-Åke Larsson (CEO), Dr. Jarle Klungsøyr (CTO)
• Year Founded: 2018
• Technology/Innovation: AQTION develops quantum algorithms and quantum software for optimization and machine learning applications.
• Website: https://www.aqtion.eu/
• Similar Companies: QC Ware (USA), 1QBit (Canada)

aQuantum

• Key People: Dr. Enrique Lizaso (CEO)
• Year Founded: 2019
• Technology/Innovation: aQuantum focuses on quantum software development and quantum machine learning solutions.
• Website: https://www.aquantum.es/
• Similar Companies: Q-CTRL (Australia), Zapata Computing (USA)

Archer Materials Limited

• Key People: Dr. Mohammad Choucair (CEO)
• Year Founded: 2007
• Technology: Archer Materials is developing a 12CQ qubit processor chip as a part of their quantum computing efforts.
• Company URL: https://archerx.com.au/
• Similar Companies: Quantum Factory GmbH, D-Wave Systems

Arqit

• Key People: David Bestwick (CEO)
• Year Founded: 2017
• Technology: Arqit is building a global quantum encryption network, which uses satellites to distribute quantum keys.
• Company URL: https://arqit.uk/
• Similar Companies: Quantum Xchange, QuantumCTek

Artificial Brain

• Key Person: Jitesh Lalwani
• Year Founded: No Year Founded
• Technology: Quantum Software for space technology
• Company URL: https://www.artificialbrain.us/team
• Similar Companies: Phasecraft, AQTION

Artiste-qb.net

• Key People: Dr. Marco Lanzagorta (Founder)
• Year Founded: Unknown
• Technology/Innovation: Artiste-qb.net focuses on quantum cryptography and secure communication.
• Website: https://www.artiste-qb.net/
• Similar Companies: QuintessenceLabs (Australia), Qrypt (USA)

Aspen Quantum Consulting

• Key Person: Victor Galitski, Yuval Oreg, Andrew L. Jiranek, Benjamin Lev, Shimon Kolkowitz
• Year Founded: 2020
• Technology: Aspen Quantum Consulting specializes in providing consulting services related to quantum technologies. They may offer advisory and strategic guidance to clients interested in exploring or implementing quantum solutions in various industries.
• Company URL: https://www.artificialbrain.us/team
• Similar Companies: Quantum Xchange, Quantum Strategies, and Quantum Benchmark.

Atom Computing

• Key People: Dr. Ben Bloom (Founder & CEO)
• Year Founded: 2018
• Technology/Innovation: Atom Computing focuses on developing quantum processors based on neutral atoms, leveraging their unique properties for quantum computing applications.
• Website: www.atomcomputing.com
• Similar Companies: Honeywell Quantum Solutions (USA), IonQ (USA)

Atos Quantum

• Key People: Thierry Breton (CEO of Atos as of 2021)
• Year Founded: Atos was founded in 1997 and the Atos Quantum initiative was launched in 2016.
• Technology: Atos Quantum develops quantum computing solutions and the Quantum Learning Machine, a quantum simulator.
• Company URL: https://atos.net
• Similar Companies: IBM Quantum, Google Quantum AI Lab

Aurora Quantum Technologies

• Key persons: 2017
• Year Founded: Raina Olsen, Mohammadreza Rezaee
• Quantum Technology: Quantum software and hardware.
• Company URL: www.qspicelabs.com
• Similar companies: Rigetti Computing, D-Wave Systems, IonQ.

Automatski

• Key persons: Aditya Yadav
• Year Founded: 2014
• Technology: Automatski is a quantum computing and machine learning company specializing in algorithm development, optimization, and simulation.
• Website: www.automatski.com
• Similar companies: Zapata Computing, Xanadu, QC Ware.

AVANETIX

• Key persons: Naimah Schütter and Christian Nietner
• Year Founded: 2019
• Technology: AVANETIX is a quantum technology company that focuses on developing quantum computing solutions for optimization, simulation, and machine learning applications.
• Company URL: www.avanetix.io
• Similar companies: Rigetti Computing, D-Wave Systems, IonQ.

Avid Quantum

• Key People: Dr. Ruben Verborgh (Founder)
• Year Founded: 2019
• Technology/Innovation: Avid Quantum specializes in quantum machine learning and the development of quantum algorithms for optimization problems.
• Website: www.avidquantum.com
• Similar Companies: Zapata Computing (USA), QC Ware (USA)

Axion Technologies

• Key persons: Carol Scarlett
• Year Founded: 2016
• Technology: Axion Technologies specializes in quantum computing hardware and software development, focusing on creating practical quantum solutions for industry-specific challenges.
• Company URL: www.axiontechnologiesllc.com
• Similar companies: IBM Quantum, Rigetti Computing, D-Wave Systems.

Baidu Quantum Computing Institute

• Key People: Duan Runyao (Head of the Institute as of 2021)
• Year Founded: 2018
• Technology: The institute conducts research on quantum computing, quantum algorithms, and quantum artificial intelligence.
• Company URL: https://research.baidu.com/
• Similar Companies: Alibaba Quantum Laboratory, Tencent Quantum Laboratory

BardeenQ Labs

• Key Person: Ayo Kolapo
• Year Founded: 2019
• Technology: The company develops ambient temperature quantum devices, vision sensors, and quantum AI edge processors for self-driving cars
• Company URL: http://bardeenq.com/
• Similar Companies: Cognata, Xanadu, PsiQuantum

Bay Photonics

• Key Person: David Garrity (CEO), Richard Penty (Director)
• Year Founded: 2007
• Technology: Bay Photonics focuses on delivering innovative photonic solutions for a wide range of applications, including telecommunications, sensing, and imaging. They provide custom-designed photonic devices, modules, and systems to meet the specific needs of their clients.
• Company URL: https://www.bayphotonics.com/
• Similar Companies: Quantel, Optoscribe, and M Squared.

Beit.tech

• Key Person: Wojciech Burkot, Witold Jarnicki and Paulina Mazurek.
• Year Founded: 2016
• Technology: Quantum algorithms 
• Company URL: https://beit.tech/
• Similar Companies: Zapata, 1QBit, QC Ware

Black Brane Systems

• Key Person: Colin J.E. Lupton
• Year Founded: 2016
• Technology: Quantum machine learning, artificial intelligence, and quantum algorithms.
• Company URL: www.linkedin.com/company/blackbrane
• Similar Companies: 1QBit, QC Ware, Zapata Computing

Bleximo

• Key People: Alexei Marchenkov (CEO)
• Year Founded: 2017
• Technology: Bleximo develops quantum accelerators, specialized hardware for specific tasks like drug discovery and materials science.
• Company URL: http://bleximo.com/
• Similar Companies: Rigetti Computing, Quantum Circuits, Inc.

Bluefors

• Key People: Dr. Rob Blaauwgeers and Dr. Pieter Vorselman (Founders)
• Year Founded: 2008
• Technology: Bluefors specializes in producing ultra-low temperature dilution refrigerator systems, which are a vital component for certain types of quantum computers.
• Company URL: www.bluefors.com
• Similar Companies: Leiden Cryogenics (Netherlands), Cryogenic Ltd (UK), Janis Research Company (USA)

Blueqat

• Key Persons: Keisuke Fujii
• Year Founded: 2017
• Technology: Blueqat focuses on the development of quantum algorithms, simulations, and optimization techniques to harness the power of quantum computing for various applications.
• Company URL: https://blueqat.com/
• Similar Companies: Qiskit (IBM), Cirq (Google), Forest (Rigetti)

BOHR Technology

• Key Persons: Witold Kowalczyk, Przemyslaw Chojecki
• Year Founded: 2017
• Technology: Commercial quantum networking systems
• Company URL: https://bohrquantum.com/
• Similar Companies: Horizon Quantum Computing, CQC

Booz Allen Hamilton

• Key People: Horacio Rozanski (CEO)
• Year Founded: 1914
• Technology/Innovation: Booz Allen Hamilton provides consulting services, including expertise in quantum computing, to various industries and government agencies.
• Website: www.boozallen.com
• Similar Companies: Accenture (Ireland), Deloitte (UK)

BosonQ

• Key People: Abhishek Chopra (COO)
• Year Founded: 2020
• Technology/Innovation: BosonQ focuses on Computational Fluid Dynamics, Computational Structural Dynamics, Computational Heat Transfer, Multidisciplinary Optimization, Computational Aeroacoustics
• Website: https://www.bosonqpsi.com/team
• Similar Companies: Qnami (Switzerland), Pasqal (France)

Boxcat

• Key People: Kevin J. Resch (CEO)
• Year Founded: 2020
• Technology: Boxcat is developing a photonic quantum computer, leveraging the properties of light to perform quantum computations.
• Company URL: https://boxc.at/
• Similar Companies: Xanadu, Sparrow Quantum

BraneCell

• Key Persons: Christopher Papile
• Year Established: 2015
• Technology: BraneCell focuses on developing quantum-inspired algorithms and software solutions for optimization and machine-learning applications. They aim to provide efficient computational solutions for complex problems.
• Company URL: www.branecell.com
• Similar Companies: D-Wave Systems, Rigetti Computing, Zapata Computing

British Geological Survey

• Key Persons: John Ludden (Executive Director), Patrick Gray, Dr Katie Whitbread, Dr Julia Crummy, Dr Andres Gonzalez Quiros
• Year Established: 1835
• Technology: The British Geological Survey is a research organization that focuses on Earth sciences and geoscience research. While they may utilize quantum technologies in their research, their primary focus is not on quantum technology.
• Company URL: https://www.bgs.ac.uk/
• Similar Companies: Geological Survey of Canada, U.S. Geological Survey, Geological Survey of India

BT

• Key Persons:  William Fothergill Cooke
• Year Established: 1981
• Technology: Quantum Cryptography
• Company URL: www.bt.com
• Similar Companies: QuintessenceLabs, ID Quantique

C12 Quantum Electronics

• Key People: Dr. Chris Kay (Founder)
• Year Founded: Unknown
• Technology/Innovation: C12 Quantum Electronics specializes in quantum technologies for advanced sensing and measurement applications.
• Website: https://www.c12qe.com/
• Similar Companies: Qnami (Switzerland), OQmented (Germany)

Caledonian Photonics Limited

• Key People: Dr. Brian Robertson (Founder)
• Year Founded: 2016
• Technology/Innovation: Caledonian Photonics focuses on developing and commercializing integrated quantum photonics technologies.
• Website: www.caledonianphotonics.com
• Similar Companies: PsiQuantum (USA), Xanadu (Canada)

Cambridge Quantum Computing (CQC)

• Key People: Ilyas Khan (Founder and CEO)
• Year Founded: 2014
• Technology: CQC develops quantum software, including the quantum development platform t|ket⟩, as well as quantum encryption and cybersecurity products.
• Company URL: https://www.cambridgequantum.com/
• Similar Companies: Zapata Computing, Xanadu, PsiQuantum

Cambridge Space Technologies

• Key People: Dr. Kevin Kibblewhite (Director)
• Year Founded: 2019
• Technology/Innovation: Cambridge Space Technologies is involved in developing quantum technologies for space applications.
• Website: www.cambridgespace.co.uk
• Similar Companies: Space Quantum Technologies (Germany), PhotonForce Ltd (United Kingdom)

Carl Zeiss AG

• Key People: Dr. Karl Lamprecht (President & CEO)
• Year Founded: 1846
• Technology/Innovation: Carl Zeiss AG is a multinational company involved in optics, photonics, and precision engineering. They contribute to various fields, including quantum technologies.
• Website: www.zeiss.com
• Similar Companies: Nikon Corporation (Japan), Leica Microsystems (Germany

CERN

• Key Persons: Fabiola Gianotti (Director-General), Charlotte Warakaulle (Director for International Relations)
• Year Established: 1954
• Technology: Research organization operating the largest particle physics laboratory in the world
• Company URL: https://home.cern/
• Similar Companies: Fermilab, DESY, SLAC National Accelerator Laboratory

CEW Systems

• Key Persons: C.E. Wanless 
• Year Established: 2017
• Technology: Post-Quantum Encryption
• Company URL: https://www.cew-s.com/
• Similar Companies: ISARA, Crypto Quantique, PQShield

Chase Research Cryogenics Limited

• Key People: Dr. David Gunnarsson (Director)
• Year Founded: 2011
• Technology/Innovation: Chase Research Cryogenics specializes in designing and manufacturing cryogenic systems for quantum technology research.
• Website: www.chasecryogenics.com
• Similar Companies: Cryomech (USA), Leiden Cryogenics (Netherlands)

ChemAlive SA

• Key People: Dr. Giorgio Medici (CEO), Peter Jarowski, Ph. D.
• Year Founded: 2018
• Technology/Innovation: Automated Cloud-Based Quantum Chemistry, Quantum Chemistry
• Website: www.chemalive.com
• Similar Companies: QC Ware (USA), Zapata Computing (USA)

Chicago Quantum

• Key People: Jeff Cohen
• Year Founded: 2018
• Technology/Innovation: Chicago Quantum focuses on the development of quantum algorithms and quantum software solutions.
• Website: www.chicagoquantum.com
• Similar Companies: Quantum Computing Inc. (USA), QxBranch (USA)

CIQTEK

• Key People: Prof. Michael Hartmann (Founder)
• Year Founded: Unknown
• Technology/Innovation: CIQTEK is involved in quantum software development, consulting, and quantum machine learning applications.
• Website: www.ciqtek.com
• Similar Companies: Rigetti Computing (USA), D-Wave Systems (Canada)

Cirq

• Key Persons: Craig Gidney, Dave Bacon
• Year Founded: 2018
• Quantum Technology: Quantum software development and circuit simulation.
• Website: https://quantumai.google/cirq
• Similar Companies: Qiskit (IBM), ProjectQ, Strawberry Fields (Xanadu)

Classiq Technologies

• Key People: Nir Minerbi (CEO)
• Year Founded: 2019
• Technology: Classiq provides an end-to-end quantum algorithm design platform, enabling the quantum software and algorithm development needed to drive the quantum revolution.
• Company URL: https://www.classiq.io/
• Similar Companies: Cambridge Quantum Computing, Quantum Machines

Cloud Pharmaceuticals

• Key People: Dr. Ajay N. Royyuru (Founder)
• Year Founded: 2009
• Technology/Innovation: Cloud Pharmaceuticals applies quantum-inspired algorithms and artificial intelligence to accelerate drug discovery and development.
• Website: www.cloudpharmaceuticals.com
• Similar Companies: Schrödinger (USA), Atomwise (USA)

CogniFrame Inc

• Key Persons: Visweswaran Vish R 
• Year Established: 2016
• Technology: Machine Learning + Quantum Optimization + Simulation helps Institutions improve their Outcomes.
• Company URL: https://www.cogniframe.com
• Similar Companies: ISARA, Qubitl Technologies

ColdQuanta

• Key People: Dana Anderson (Founder), Rainer Kunz (CEO)
• Year Founded: 2007
• Technology: ColdQuanta develops ultra-cold atom quantum technology for quantum computing, sensing, and timekeeping applications.
• Company URL: https://www.coldquanta.com/
• Similar Companies: Quantum Circuits, Inc., Pasqal, Atom Computing

ColibrITD

• Key People: Dr. Pawel M. Plinski (CEO)
• Year Founded: 2019
• Technology/Innovation: ColibrITD focuses on developing quantum algorithms and quantum software solutions.
• Website: www.colibritd.com
• Similar Companies: Artiste-qb.net (Canada), Quantum Computing Inc. (USA)

Compound Semiconductor Centre Ltd

• Key Persons: Martin McHugh (CEO)
• Year Established: 2015
• Focus: Compound Semiconductor Centre Ltd is a research and development center that focuses on the advancement of compound semiconductor technologies. They work on various applications such as photonics, electronics, and quantum technologies.
• Website: https://www.compoundsemiconductorcentre.com/
• Similar Companies: IQE plc, II-VI Incorporated

CreativeQuantum

• Key People: Dr. Christopher Peters (Founder)
• Year Founded: 2010
• Technology/Innovation: CreativeQuantum focuses on the development of quantum algorithms, simulations, and consulting services.
• Website: www.creative-quantum.com
• Similar Companies: QC Ware (USA), 1QBit (Canada)

Crown Sterling

• Key People: Robert E. Grant (CEO & Founder)
• Year Founded: 2019
• Technology/Innovation: Crown Sterling focuses on quantum-resistant encryption and developing quantum computing algorithms.
• Website: www.crownsterling.io
• Similar Companies: Post-Quantum (UK), ISARA Corporation (Canada)

Crypta Labs

• Key People: Joe Luong (CEO)
• Year Founded: 2014
• Technology/Innovation: Crypta Labs focuses on developing quantum security solutions, including quantum random number generators and quantum key distribution.
• Website: www.cryptalabs.com
• Similar Companies: Post-Quantum (UK), Quantum Xchange (USA)

Crypto Quantique

• Key Persons: Dr. Shahram Mossayebi (Founder and CEO)
• Year Founded: 2016
• Focus: Developing quantum-safe security solutions including quantum-driven cryptographic systems for secure device authentication and data protection.
• Quantum Technology: Quantum-driven cryptographic systems.
• Website: https://www.cryptoquantique.com/
• Similar Companies: ISARA Corporation, Post-Quantum, QuintessenceLabs

Crypto4A Technologies

• Key Persons: Ali El Kaafarani (CEO)
• Year Founded: 2018
• Focus: Developing quantum-resistant security solutions for critical infrastructure, data protection, and secure communication in the era of quantum computers.
• Quantum Technology: Quantum-resistant cryptography.
• Website: https://www.crypto4a.com/
• Similar Companies: QuSecure, Post-Quantum, ISARA Corporation

CryptoExperts

• Key Persons: Jean-Sébastien Coron (Founder)
• Year Founded: 2010
• Focus: Providing expertise and consulting services in cryptographic design, analysis, and evaluation focusing on post-quantum cryptography.
• Quantum Technology: Post-quantum cryptography.
• Website: https://www.cryptoexperts.com/
• Similar Companies: QuSecure, Post-Quantum, ISARA Corporation

Cryptonext Security

• Key People: Dr. Vlad Gheorghiu (Co-founder)
• Year Founded: 2018
• Technology/Innovation: Cryptonext Security specializes in developing post-quantum cryptography solutions.
• Website: www.cryptonext-security.com
• Similar Companies: PQShield (United Kingdom), ISARA Corporation (Canada)

CSA Catapult

• Key Persons: Martin McHugh
• Year Established: 2018
• Technology: CSA Catapult is an innovation center that focuses on advancing the development and adoption of compound semiconductor technologies. They work with industry partners to accelerate the commercialization of new products and solutions in areas such as communications, energy, and healthcare.
• Company Website: https://csa.catapult.org.uk/
• Similar Companies: Compound Semiconductor Centre Ltd

Cube Robot X

• Key Persons: Kubilay Halis
• Year Founded: 2004
• Technology:  Focuses on a compact quantum computer that enables the individual parts of the highly complex exoskeleton to interact and brings it into an orderly formation
• Company URL: https://www.cuberobotx.com/
• Similar Companies: Oracle Dyn , Phystech Ventures

Cybernet Systems Corporation

• Key People: Susumu Fujita (CEO)
• Year Founded: 1979
• Technology/Innovation: Cybernet Systems Corporation provides various technological solutions, including research and development in the field of quantum technology.
• Website: www.cybernet.co.jp
• Similar Companies: Toshiba (Japan), Hitachi (Japan)

Cyph

• Key People: Steve Emecz (CEO)
• Year Founded: 2020
• Technology/Innovation: Cyph is involved in quantum encryption and secure communication solutions.
• Website: www.cyph.com
• Similar Companies: Post-Quantum (United Kingdom), Crypta Labs (United Kingdom)

Delft Circuits

• Key People: Daan Kuitenbrouwer (CEO)
• Year Founded: 2016
• Technology: Delft Circuits develops and manufactures cryogenic cabling and electronics for quantum technologies and other low-temperature applications.
• Company URL: https://delft-circuits.com/
• Similar Companies: QuTech, Quantum Factory, Quantum Circuits, Inc.

DishaNitish Technologies

• Key Persons: NItish Kumar
• Year Founded: 2019
• Technology: Quantum algorithms & commercializing Photonic Quantum Technology
• Company URL: https://www.dishanitish.in/
• Similar Companies: Xanadu, PsiQuantum

Driven Quantum Technologies

• Key Persons: Jerome Strombosky 
• Year Founded: 2019
• Technology: Room Temperature Quantum Computers
• Company URL: https://drivenquantumtechnologies.com/
• Similar Companies: ColdQuanta, Quantum Machines

Dslit Technologies

• Key Persons: No Key Persons Found
• Year Founded: 2018
• Technology: D Slit Technologies provides application development and consulting services. It offers consulting services related to peripheral systems and software development services for quantum computing applications.
• Company URL: www.d-slit.tech
• Similar Companies: Quantum Experts, Quantum Xchange

Duality Quantum Photonics

• Key Persons: Mark Thompson (Co-founder and CEO)
• Year Founded: 2017
• Focus: Developing integrated quantum photonics technologies for applications in quantum computing, quantum communication, and quantum sensing.
• Quantum Technology: Quantum photonics.
• Website: https://dualityqp.com/
• Similar Companies: PsiQuantum, Quantum Brilliance, QuantIC

D-Wave Systems

• Key People: Alan Baratz (CEO)
• Year Founded: 1999
• Technology: D-Wave develops quantum annealing processors and offers cloud-based access to their quantum computing resources through the Leap platform.
• Company URL: https://www.dwavesys.com/
• Similar Companies: IBM Quantum, Rigetti Computing, Google Quantum AI

EeroQ

• Key People: Dr. Sergio Boixo (Founder)
• Year Founded: Unknown
• Technology/Innovation: EeroQ specializes in developing quantum algorithms and software for solving complex optimization problems.
• Website: www.eeroq.com
• Similar Companies: Quantum Computing Inc. (USA), Rigetti Computing (USA)

Elyah

• Key People: Yehia Elkhouly (CEO as of 2021)
• Year Founded: 2019
• Technology: Elyah is developing a quantum software stack that includes a quantum simulator, a quantum algorithm design toolkit, and optimization tools for quantum algorithm deployment.
• Company URL: https://elyah.io/
• Similar Companies: QC Ware, Zapata Computing

Entangled Networks

• Key Persons: Aharon Brodutch and Ilia Khait
• Year Founded: 2021
• Technology: Quantum Networks
• Company URL: https://www.entanglednetworks.com/
• Similar Companies: 1QBit, Classiq, Quantinuum

Entanglement Inc.

• Key Persons: Jason Turner.
• Year Founded: 2017
• Technology: Quantum Information Science and Artificial Intelligence (AI) innovations.
• Company URL: https://www.entanglement.ai/
• Similar Companies: Rigetting, IBM, Microsoft

Entanglement Partners

• Key People: Dr. Gabriel Molina (Founder & CEO)
• Year Founded: 2019
• Technology/Innovation: Entanglement Partners provides quantum computing consulting services and solutions to assist companies in adopting quantum technologies.
• Website: https://www.entanglementpartners.com/
• Similar Companies: Cambridge Quantum Computing (UK), Quantum Benchmark (Canada)

Entropica Labs

• Key People: Tommaso Demarie (CEO)
• Year Founded: 2018
• Technology: Entropica Labs leverages quantum technologies for tackling complex problems in areas such as biology, logistics, finance, and more.
• Company URL: https://www.entropicalabs.com/
• Similar Companies: 1QBit, Zapata Computing

Equal1 Laboratories

• Key People: Dr. Valeria Rodin (Co-Founder & CEO)
• Year Founded: 2021
• Technology/Innovation: Equal1 Laboratories focuses on the development of quantum silicon photonic technology for quantum computing applications.
• Website: https://www.equal1.com/
• Similar Companies: PsiQuantum (USA), Quantum Brilliance (Australia)

equal1.labs

• Key Persons: Dirk Leipold
• Year Founded: 2017
• Technology: equal1.labs focuses on the intersection of quantum computing and AI, aiming to develop innovative algorithms and software solutions that leverage the power of quantum computing for AI applications.
• Website: https://www.equal1.com/
• Similar Companies: IBM Quantum, Google Quantum AI, Rigetti Computing

EQuantum

• Key Persons: Daniel Page (CEO)
• Year Founded: 2019
• Technology: EQuantum specializes in post-quantum cryptographic solutions and offers quantum-resistant encryption technologies for securing data in the digital age.
• Company URL: https://equantum.com/
• Similar Companies: ISARA Corporation, PQShield, Crypto Quantique

EvolutionQ

• Key Persons: Dr. David Stinson (Founder and CEO)
• Year Founded: 2016
• Focus: Providing quantum-safe solutions and consulting services to help organizations protect their data and communications in the post-quantum era.
• Quantum Technology: Quantum-safe encryption and security solutions.
• Website: https://www.evolutionq.com/
• Similar Companies: QuSecure, ISARA Corporation, Post-Quantum

ExaQ.ai

• Key Persons: Joaquín Keller
• Year Founded: 2020
• Technology: ExaQ.ai is focused on developing quantum computing algorithms and software for various applications, including optimization, machine learning, and drug discovery.
• Website: https://exaq.ai/
• Similar Companies: IBM Quantum, Google Quantum AI, Rigetti Computing

EYL

• Key Persons: Francis Junghyun
• Year Founded: 2015
• Technology: Developed quantum convergence security solution
• Website: https://www.eylpartners.com/
• Similar Companies: IBM Quantum, Google Quantum AI, Rigetti Computing

FAR Biotech

• Key Persons: Martin Martinov 
• Year Founded: 2016
• Technology: Quantum technologies and computational methods applied to drug discovery and development
• Website: https://farbiotech.com/
• Similar Companies: Quantum Bio, Atomwise, Schrödinger

Fujitsu Limited

• Key People: Takahito Tokita (CEO as of 2021)
• Year Founded: 1935
• Technology: Fujitsu has developed the Digital Annealer, a computing architecture that can rapidly solve combinatorial optimization problems using existing semiconductor technology.
• Company URL: https://www.fujitsu.com/global/
• Similar Companies: NEC Corporation, Toshiba

Google Quantum AI

• Key People: Sundar Pichai (CEO of Google), John Martinis (Former Chief Scientist)
• Year Founded: Google was founded in 1998, and Google Quantum AI was launched in 2014
• Technology: Google focuses on developing quantum processors and algorithms, achieving quantum supremacy with their Sycamore processor in 2019.
• Company URL: https://ai.google/research/teams/applied-science/quantum/
• Similar Companies: IBM Quantum, Rigetti Computing, Honeywell Quantum Solutions

GTN LTD

• Key Persons: Noor Shaker
• Year Founded: 2017
• Technology: Machine learning and quantum physics
• Website: http://gtn.ai/
• Similar Companies: Zapata, CQC, Xanadu

Hafnium Labs

• Key Persons: Bjorn Maribo-Mogensen, Job Christensen
• Year Founded: 2018
• Technology: Quantum Chemistry
• Website: www.hafniumlabs.com
• Similar Companies: QuantumBio Inc., Quantemol Ltd., Basis Set Ventures

HaQien

• Key Persons: Hannan Hashim
• Year Founded: 2019
• Technology: Post Quantum Cryptography
• Website: www.haqien.com
• Similar Companies: ISARA Corporation, PQShield, CryptoExperts

H-Bar Consultants

• Key Persons: Simon Devitt, Jared Cole, Keith Schwab
• Year Founded: 2016
• Technology: Quantum Information and Quantum Technology
• Website: www.h-bar.com.au
• Similar Companies: IBM Quantum, Google Quantum AI, Microsoft Quantum

High Precision Devices (HPD)

• Key Persons: Bill Hollander
• Year Founded: 1993
• Technology: Quantum Cryogenics
• Website: www.hpd-online.com
• Similar Companies: Bluefors, Oxford Instruments NanoScience, Leiden Cryogenics

HighQ Technologies

• Key Persons: Mike Lazaridis, Doug Fregin
• Year Founded: 1999
• Technology: Modern Microwave Quantum Optics Techniques
• Website: https://ca.linkedin.com/company/highqtechnologies?original_referer=
• Similar Companies: Qblox, Zurich Instruments, Keysight Technologies

Hitachi

• Key Persons: Namihei Odaira
• Year Founded: 2012
• Technology: Silicon CMOS
• Website: www.hitachi.com
• Similar Companies: Intel Corporation, Samsung Electronics, Taiwan Semiconductor Manufacturing Company (TSMC)

Honeywell Quantum Solutions

• Key People: Darius Adamczyk (CEO of Honeywell), Tony Uttley (President of Honeywell Quantum Solutions)
• Year Founded: Honeywell was founded in 1906, and Honeywell Quantum Solutions was launched in 2018
• Technology: Honeywell focuses on trapped-ion quantum computing technology and offers quantum computing services through their System Model H1.
• Company URL: https://www.honeywell.com/us/en/quantum
• Similar Companies: IBM Quantum, Rigetti Computing, Google Quantum AI

Horizon Quantum Computing

• Key People: Joe Fitzsimons (CEO)
• Year Founded: 2018
• Technology: Horizon Quantum Computing provides software tools to simplify quantum programming and enable the development of new quantum algorithms.
• Company URL: https://horizonquantum.com/
• Similar Companies: Cambridge Quantum Computing, Zapata Computing

HQS Quantum Simulations

• Key People: Michael Marthaler (CEO)
• Year Founded: 2017
• Technology: HQS Quantum Simulations develops quantum algorithms for predicting molecular properties in the chemical and pharmaceutical industries, aiming to accelerate R&D processes.
• Company URL: https://quantumsimulations.de/
• Similar Companies: Rahko, QC Ware, 1QBit

HRL Laboratories

• Key Persons: Howard Hughes
• Year Founded: 1948
• Technology: developing solid-state technology for quantum computing and networking
• Website: www.hrl.com
• Similar Companies: PsiQuantum, Xanadu, Quantum Machines

Huawei Noah’s Ark Lab

• Key Persons: Ren Zhengfei
• Year Founded: 1987
• Technology: AI Algorithm
• Website: www.noahlab.com.hk
• Similar Companies: OpenAI, DeepMind Technologies, Google AI

Hubner Photonics

• Key Persons: Kurt Hubner
• Year Founded: 2016
• Technology: Lasers and Terahertz for Quantum Technology
• Website: www.hubner-photonics.com
• Similar Companies: Coherent Inc., Thorlabs Inc., TOPTICA Photonics AG

IBM Quantum

• Key People: Arvind Krishna (CEO of IBM), Dario Gil (Director of IBM Research)
• Year Founded: IBM was founded in 1911, and IBM Quantum was launched in 2016
• Technology: IBM offers cloud-based quantum computing services through the IBM Q Experience and Qiskit, an open-source quantum computing framework.
• Company URL: https://www.ibm.com/quantum-computing/
• Similar Companies: Rigetti Computing, Google Quantum AI, Honeywell Quantum Solutions

ICE Oxford

• Key Persons: Chris Busby, Paul Kelly
• Year Founded: 2004
• Technology: Cryogenic systems
• Website: www.iceoxford.com
• Similar Companies: Cryomech Inc., Janis Research Company, LLC, Oxford Instruments plc

ID Quantique

• Key People: Grégoire Ribordy (CEO and Co-founder)
• Year Founded: 2001
• Technology/Innovation: ID Quantique is a leading provider of quantum-safe security solutions, quantum key distribution, quantum random number generators.
• Website: www.idquantique.com
• Similar Companies: QuantumCTek (China), QNu Labs (India)

Imec

• Key Persons: Roger Van Overstraeten
• Year Founded: 1984
• Technology: Quantum Computing, Quantum Communication, Quantum Sensing and Imaging
• Website: www.imec-int.com
• Similar Companies: TNO (Netherlands Organization for Applied Scientific Research), CEA-Leti, Fraunhofer Institute

Inception Q

• Key Persons: No Key Persons Found
• Year Founded: 2020
• Technology: Quantum Image Processing
• Website: No Website Found
• Similar Companies: IBM Quantum, Microsoft Quantum, Rigetti Computing

Infineon Technologies

• Key Persons: Sabine E. Herlitschka
• Year Founded: 2019
• Technology: Trapped Ion, Post-Quantum Technology
• Website: https://www.infineon.com/
• Similar Companies: NXP Semiconductors, STMicroelectronics, Texas Instruments

Infiniquant

• Key Persons: Imran Khan
• Year Founded: 2018
• Technology: Quantum Cryptography, Quantum Key Distribution
• Website: www.infiniquant.com
• Similar Companies: ID Quantique, QuintessenceLabs, Qrypt

Infosec Global

• Key Persons: Taher Elgamal
• Year Founded: 2009
• Technology: Quantum Cryptography
• Website: https://www.infosecglobal.com/
• Similar Companies: Quantum Xchange, QuintessenceLabs, ID Quantique

Innovate UK Knowledge Transfer Network (KTN)

• Key Persons: Alicia Greated, Fran Mclntyre, Colin Tattam, Steve Welch
• Year Founded: 2014
• Technology: Quantum Research
• Website: https://iuk.ktn-uk.org/quantum/
• Similar Companies: Catapult Network, Enterprise Europe Network (EEN), Technology Transfer Offices (TTOs)

Institution of Engineering and Technology

• Key Persons: H. E. Honer
• Year Founded: 1871
• Technology: Quantum Research
• Website: https://ietresearch.onlinelibrary.wiley.com/
• Similar Companies: Institute of Electrical and Electronics Engineers (IEEE), American Society of Mechanical Engineers (ASME)

Intel Corporation

• Key Persons: Gordon E. Moore
• Year Founded: 1968
• Technology: Quantum Computing
• Website: https://www.intel.com/content/www/us/en/homepage.html
• Similar Companies: IBM Quantum, Google Quantum AI, Microsoft Quantum

Ionoptika Ltd

• Key Persons: Paul Blenkinsopp
• Year Founded: 1994
• Technology: Single Ion Beam Technology
• Website: https://ionoptika.com/
• Similar Companies: Oxford Instruments, Carl Zeiss SMT, Orsay Physics

IonQ

• Key People: Peter Chapman (CEO), Jungsang Kim (Co-founder), Christopher Monroe (Co-founder)
• Year Founded: 2015
• Technology: IonQ focuses on trapped-ion quantum computing technology and offers cloud-based access to their quantum computing resources.
• Company URL: https://ionq.com/
• Similar Companies: IBM Quantum, Rigetti Computing, Google Quantum AI, Honeywell Quantum Solutions

IoT and M2M Technologies

• Key Persons: No Key Persons Found
• Year Founded: 2018
• Technology: Post Quantum Cryptography
• Website: https://iot-and-m2m.com/
• Similar Companies: PQShield, ISARA Corporation, ETSI Quantum-Safe Cryptography Working Group

IQM Quantum Computers

• Key People: Dr. Jan Goetz (CEO as of 2021), Mikko Möttönen (Co-founder)
• Year Founded: 2019
• Technology: IQM is a builder of superconducting quantum computers, aiming to take quantum computing from the lab to the real world. Although it’s a Finnish company, it has also established significant operations in Germany.
• Company URL: https://meetiqm.com/
• Similar Companies: Rigetti, D-Wave Systems

ISARA Corporation

• Key People: Scott Totzke (CEO), Mike Brown (Co-Founder and CTO)
• Year Founded: 2015
• Technology: Post-quantum cryptography solutions to protect against quantum computing threats
• Company URL: https://www.isara.com/
• Similar Companies: ID Quantique, QuintessenceLabs, Crypta Labs

Janis Research

• Key Persons: Dale Reynolds, Thomas Pasakarnis
• Year Founded: 1961
• Technology: Cryogenics
• Website: https://www.lakeshore.com/
• Similar Companies: Bluefors, Oxford Instruments, Cryomagnetics Inc.

Jij

• Key Persons: Yu Yamashiro
• Year Founded: 2018
• Technology: Quantum Annealing
• Website: https://www.j-ij.com/
• Similar Companies: D-Wave Systems, Fujitsu, Quantum Computing Inc.

JoS QUANTUM

• Key People: Dr. Josef Schicho (CEO as of 2021)
• Year Founded: 2019
• Technology/Innovation: JoS QUANTUM provides software to optimize commercial applications of quantum computing. They offer a quantum platform for financial services.
• Company URL: https://jos-quantum.de/
• Similar Companies: Zapata Computing, 1QBit

KEEQuant

• Key Persons: Stefan Probst, Imran Khan
• Year Founded: 2020
• Technology: Continuous Variable QKD, Key Management Systems (KMS)
• Website: https://www.keequant.com/
• Similar Companies: ID Quantique, QuintessenceLabs, Crypta Labs

Kelvin Nanotechnology

• Key Persons: Dr Brendan Casey, Dr Gordon Mills , Dr Alka Swanson, Dr Dave Burt
• Year Founded: 1997
• Technology: Photonics
• Website: https://kntnano.com/
• Similar Companies: Nanoscribe, Nanolambda, Raith

Ketita Labs

• Key Persons: Marcus C Braun, Dirk Oliver Theis
• Year Founded: 2018
• Technology: Hybrid Quantum Classical Algorithm
• Website: http://ketita-labs.com/
• Similar Companies: Zapata Computing, Rigetti Computing, IBM Quantum

KETS Quantum Security

• KeyPeople: Chris Erven (CEO)
• Year Founded: 2016
• Technology: KETS Quantum Security is developing quantum encryption and related technologies for safer data transmission.
• Company URL:https://kets-quantum.com/
• Similar Companies: QuantumCTek, Qunnect

Ki3 Photonics Technologies

• Key Persons: Piotr Roztocki, Yoann Jestin
• Year Founded: 2015
• Technology: Quantum Key Distribution
• Website: https://www.ki3photonics.com/
• Similar Companies: QuintessenceLabs, QuintessenceLabs, MagiQ Technologies

Kipu Quantum

• Key Persons: Prof. Dr. Enrique Solano
• Year Founded: 2021
• Technology: codesign quantum simulation and quantum computation involving Embedding Quantum Simulators (EQS), Digital-Analog Quantum Simulation (DAQS), Digital-Analog Quantum Computing (DAQC), Digitized-Adiabatic Quantum Computing
• Website: https://kipu-quantum.com/
• Similar Companies: IBM Quantum, Google Quantum, Rigetti Computing

Kiutra

• Key Persons: Alexander Regnat, Janis Smits
• Year Founded: 2018
• Technology: Cryogenic, Magnetic Refrigeration
• Website: www.kiutra.com
• Similar Companies: Cryomech, Bluefors, ICEoxford

Knowledge Transfer Partnerships (KPN)

• Key Persons: not available
• Year Founded: not available
• Technology: Quantum Key Distribution (QKD)
• Website: https://www.kpn.com/quantum
• Similar Companies: QuintessenceLabs, ID Quantique, MagiQ Technologies

Kriya Materials

• Key People: Mr. Vamsi K. Komarala (Co-Founder & CEO)
• Year Founded: 2018
• Technology/Innovation: Kriya Materials specializes in advanced materials research, including quantum materials, with applications in various industries.
• Website: www.kriyamaterials.com
• Similar Companies: Quantum Brilliance (Australia), Quantum Materials Corporation (USA)

Kuano

• Key Persons: David Wright, Jarryl D’Oyley, Parminder Ruprah, Vid Stojevic
• Year Founded: 2020
• Technology:  Quantum Simulation
• Website: https://www.kuano.ai/
• Similar Companies: QuantumWise, Gaussian, Inc., PsiQuantum

Kunfeng Quantum Technology

• Key Persons: No Key Persons Found
• Year Founded: 2018
• Technology: development and application of quantum technology
• Website: https://kfquantum.com/
• Similar Companies: IBM Quantum, Rigetti Computing, IonQ

Labber Quantum

• Key Persons: Simon Gustavsson
• Year Founded: 2015
• Technology: Quantum Algorithm
• Website: quantum.labber.org
• Similar Companies: 1QBit, Rigetti Computing, Rigetti Computing

Lake Shore Cryotonics

• Key Persons: John Swartz
• Year Founded: 1967
• Technology: development and manufacturing of advanced technologies for cryogenic and magnetic research
• Website: https://www.lakeshore.com/
• Similar Companies: Quantum Design, Oxford Instruments, Janis Research Company

Laser Components (UK) Ltd

• Key Persons: Günther Paul
• Year Founded: 1993
• Technology: Quantum Laser and Optics Technology
• Website: https://www.lasercomponents.com/uk/
• Similar Companies: Qubitekk, ID Quantique, TOPTICA Photonics

LI-COR Biosciences

• Key Persons: Graham Leggett
• Year Founded: 1971
• Technology: Quantum Sensor
• Website: https://www.licor.com/env/products/light/quantum
• Similar Companies: Apogee Instruments, Decagon Devices (METER Group)

LIGENTEC

• Key Persons: Michael Geiselmann, Michael Zervas
• Year Founded: 2016
• Technology: silicon nitride photonic integrated circuits (PICs) integrated with quantum communication
• Website: https://www.ligentec.com/
• Similar Companies: SMART Photonics, VTT Technical Research Centre of Finland

Lightmatter

• Key Persons: Nick Harris (CEO and Founder)
• Year Founded: 2017
• Technology: Lightmatter develops photonic processors that leverage quantum effects for high-performance computing. They focus on creating energy-efficient and scalable solutions for various applications, including machine learning and data processing.
• Website: https://www.lightmatter.co/
• Similar Companies: Xanadu, PsiQuantum, IonQ

Lockheed Martin Corporation

• Key Persons: Allan Lockheed, Malcolm Lockheed
• Year Founded: 1995
• Technology: Quantum Annealing
• Website: https://www.lockheedmartin.com/
• Similar Companies: Boeing, Northrop Grumman, Raytheon Technologies

Low Noise Factory

• Key Persons: Niklas Wadefalk, Dr Arsan Pourkabirian
• Year Founded: 2005
• Technology: specializes in the design and manufacturing of low-noise microwave amplifiers, cryogenic amplifiers, and related components for various applications
• Website: www.lownoisefactory.com
• Similar Companies: Noise XT, Keysight Technologies, NXP Semiconductors

M Squared

• Key Persons: Gareth Maker, Graeme Malcolm
• Year Founded: 2003
• Technology: Quantum Accelerometers, Gravimeters and Clocks
• Website: https://www.m2lasers.com/quantum.html
• Similar Companies: Honeywell Quantum Solutions, Oscilloquartz, Muquans

Magiq

• Key Persons: Bob Gelfond
• Year Founded: 1999
• Technology: Quantum Cryptography
• Website: https://www.magiqtech.com/
• Similar Companies: QuSpin, Qnami, ColdQuanta

Main Incubator

• Key Persons: Matthias Lais, Michael Spitz
• Year Founded: 2019
• Technology: Quantum Financial Services
• Website: www.main-incubator.com
• Similar Companies: Zapata Computing, Cambridge Quantum Computing, 1QBit

Maybell Quantum Industries

• Key Persons: Bryan Choo, Tillemann-Dick, John S. Allan, Kyle Thompson
• Year Founded: 2021
• Technology: Quantum Technologies (dilution refrigerator)
• Website: https://www.maybellquantum.com/
• Similar Companies: Bluefors, Cryomech, Leiden Cryogenics

Mellanox Technologies Ireland

• Key People: Eyal Waldman (Co-Founder)
• Year Founded: 1999 (Mellanox Technologies)
• Technology/Innovation: Mellanox Technologies Ireland, a subsidiary of NVIDIA, focuses on high-performance networking solutions that can support quantum computing infrastructures.
• Website: www.mellanox.com
• Similar Companies: IBM Quantum (USA), Rigetti Computing (USA)

Menten AI

• Key Persons: Hans Melo, Tamas Gorbe, Vikram K. Mulligan
• Year Founded: 2018
• Technology: Quantum Optimization, Machine Learning
• Website: https://www.menten.ai/
• Similar Companies: D-Wave Systems, Fujitsu, 1QBit

Microsoft Azure

• Key Persons: Satya Nadella (CEO of Microsoft), Mark Russinovich (CTO)
• Year Founded: 2010
• Technology: Quantum Algorithm, Quantum Cloud services
• Website: https://quantum.microsoft.com/
• Similar Companies: Amazon Web Services, Google Cloud Platform, IBM Cloud

Miraex

• Key People: Mathieu Munsch (CEO & Co-Founder)
• Year Founded: 2018
• Technology/Innovation: Miraex develops quantum-inspired sensing solutions for industrial applications, leveraging quantum technology to improve measurements and quality control.
• Website: www.miraex.com
• Similar Companies: Qnami (Switzerland), QC Ware (USA)

M-labs

• Key Persons: Sébastien Bourdeauducq
• Year Founded: 2007
• Technology: Quantum Information Research
• Website: http://m-labs.hk/
• Similar Companies: Q-CTRL, Rigetti Computing, Xanadu

Molecular Quantum Solutions

• Key Persons: Mark Jones, Łukasz Ruszczyński
• Year Founded: 2019
• Technology: provides computational tools to accelerate research & development efforts by the pharma, biotech and chemical industry. The tools uses super- and quantum-computers with computational models and algorithms to calculate the properties of materials and chemicals
• Website: www.mqs.dk
• Similar Companies: IBM Quantum, D-Wave Systems, Google Quantum AI

Montana Instruments

• Key Persons: Luke Mauritsen
• Year Founded: 2008
• Technology: developing and manufacturing advanced cryogenic and optical measurement instruments.
• Website: https://www.montanainstruments.com/
• Similar Companies: Cryomech, Oxford Instruments, Lake Shore Cryotronics

Multiverse Computing

• Key Person: Enrique Lizaso (CEO & Co-founder)
• Year Founded: 2018
• Technology/Innovation: Development of quantum-inspired algorithms and software for solving optimization and simulation problems.
• Quantum Technology: Quantum-inspired algorithms and software.
• Website: https://www.multiversecomputing.com/ Similar Companies: XTEND, Zapata Computing, Cambridge Quantum Computing

Muquans

• Key People: Bruno Desruelle (CEO as of 2021)
• Year Founded: 2011
• Technology: Muquans offers quantum technologies for metrology and geodesy. While not a quantum computing company per se, its technologies are part of the broader quantum technology field.
• Company URL: https://www.muquans.com/
• Similar Companies: Microchip Technology, Oscilloquartz

Nanoacademic Technologies

• Key Persons: Dr. Hong Guo, Dr. Lei Liu, Dr. Yu (Eric) Zhu
• Year Founded: 2008
• Technology: Quantum Simulation
• Website: https://nanoacademic.com/
• Similar Companies: D-Wave Systems, Rigetti Computing, 1QBit

Nano-Meta Technologies

• Key Persons: Ernesto Marinero
• Year Founded: 2010
• Technology: Focuses on plasmonics, nanophotonics, and metamaterials for optical and quantum technologies.
• Website: https://www.afternic.com/forsale/nanometatech.com?traffic_id=GoDaddy_DLS&traffic_type=TDFS&utm_campaign=TDFS_GoDaddy_DLS&utm_medium=sn_affiliate_click&utm_source=TDFS
• Similar Companies: Nanoscribe, Metamaterial Technologies Inc. (MTI), Plasmonics Inc.

National Physical Laboratory

• Key Persons: Jane Ireland
• Year Founded: 1900
• Technology: Quantum Research
• Website: https://www.npl.co.uk/quantum-technologies
• Similar Companies: National Institute of Standards and Technology (NIST), National Research Council Canada (NRC)

National Quantum Computing Centre

• Key Persons: Michael Cuthbert, Ash Vadgama, Simon Plant
• Year Founded: No Year Founded
• Technology: Quantum Research
• Website: https://www.nqcc.ac.uk/
• Similar Companies: IBM Quantum, Google Quantum AI, Microsoft Quantum

NEC Corporation

• Key People: Takayuki Morita (CEO as of 2021)
• Year Founded: 1899
• Technology: NEC is working on superconducting quantum bits and quantum annealing technologies.
• Company URL: https://www.nec.com/
• SimilarCompanies: Toshiba, Fujitsu

Netra Mark

• Key Persons: Joseph Geraci
• Year Founded: 2015
• Technology: Quantum Machine Learning, AI
• Website: https://www.netramark.com/
• Similar Companies: Xanadu, Rahko, Q-CTRL

Next-Generation Quantum

• Key Persons: German Kolmakov, Shaina Raklyar
• Year Founded: 2019
• Technology: Optical quantum interconnects for quantum computing clusters
• Website: https://www.ngq.io/
• Similar Companies: Nu Quantum, Xanadu, Single Quantum

Physik Instrumente (PI, UK)

• Key Person: Dr. Thomas Bocher (General Manager)
• Year Founded: 1976
• Quantum Technology: Precision positioning systems for quantum applications.
• Website: https://www.physikinstrumente.co.uk/
• Similar Companies: Aerotech, Newport Corporation, Thorlabs

Nokia Bell Labs

• Key Persons: Alexander Graham Bell
• Year Founded: 1925
• Technology: Quantum Research
• Website: https://www.bell-labs.com/#gref
• Similar Companies: Huawei Technologies, Ericsson, Samsung Electronics

Nomad Atomics

• Key Persons: Christian Freier
• Year Founded: 2018
• Technology: Quantum Sensors
• Website: https://www.nomadatomics.com/
• Similar Companies: Qnami, Q-CTRL, NVision Imaging Technologies

Nord Quantique

• Key Persons: Julien Camirand Lemyre
• Year Founded: 2020
• Technology: Error-correcting quantum processors, fault tolerant quantum computation, quantum random number generators and quantum key distribution
• Website: https://www.nordquantique.ca/
• Similar Companies: D-Wave Systems, IonQ, ID Quantique

Nordic Quantum Computing Group (NQCG)

• Key People: Javad Shabani (CEO)
• Year Founded: 2018
• Technology: NQCG is a think tank and R&D lab focused on quantum computing, quantum simulation and related areas.
• Company URL: https://nqcg.com/
• Similar Companies: Cambridge Quantum Computing, Zapata Computing

Northrop Grumman

• Key People: Kathy J. Warden (CEO)
• Year Founded: 1939
• Technology/Innovation: Northrop Grumman is a global aerospace and defense technology company that conducts research and development in various areas, including quantum technologies and quantum information science.
• Website: www.northropgrumman.com
• Similar Companies: Lockheed Martin (USA), Raytheon Technologies (USA)

NQI

• Key People: Christophe Jurczak (CEO)
• Year Founded: 2019
• Technology: NQI (formerly Quantonation) is a venture capital fund investing in Deep Physics and Quantum Technologies.
• Company URL: https://www.quantonation.com/
• Similar Companies: QuantumX, Quantum Factory GmbH

NTT Research Laboratories

• Key People: Kazuhiro Gomi (President & CEO)
• Year Founded: 2020
• Technology/Innovation: NTT Research Laboratories conducts research and development in various fields, including quantum computing, quantum cryptography, and quantum information science.
• Website: www.ntt-research.com
• Similar Companies: IBM Quantum (USA), Toshiba Quantum Solutions (Japan)

Nu Quantum

• Key People: Carmen Palacios-Berraquero (Founder and CEO), Matthew Applegate (CTO)
• Year Founded: 2018
• Technology: Nu Quantum focuses on developing quantum photonics hardware for quantum communication systems and quantum internet applications.
• Company URL: https://nu-quantum.com/
• Similar Companies: Quandela, Qunnect, Single Quantum

NuCrypt

• Key People: Prem Kumar, Ph.D. (Founder), Gregory Kanter, Ph.D. (current CEO)
• Year Founded: 2003
• Technology/Innovation: NuCrypt specializes in developing quantum-resistant cryptographic solutions for secure communication in the post-quantum era.
• Website: http://nucrypt.net/
• Similar Companies: QuintessenceLabs (Australia), ID Quantique (Switzerland)

NXM Labs

• Key People: Scott Rankine (Co-Founder & CEO)
• Year Founded: 2017
• Technology/Innovation: NXM Labs focuses on securing the Internet of Things (IoT) devices using blockchain and quantum-resistant encryption technologies.
• Website: www.nxmlabs.com
• Similar Companies: IoTeX (USA), Crypto Quantique (UK)

ODE

• Key Persons: Keeper L. Sharkey, Ph.D.
• Year Founded: 2018
• Technology: Quantum Learned Electrons and Nuclei (QLEAN)
• Website: https://odestar.com/
• Similar Companies: IBM Quantum, Rigetti Computing, Xanadu

Opacity

• Key Persons: Tim Evans, Thomas Smith
• Year Founded: 2020
• Technology: Quantum Optimization, Quantum Algorithm
• Website: https://opacityquantum.com/
• Similar Companies: D-Wave Systems, 1QBit, Zapata Computing

Optalysys

• Key Persons: Nick New
• Year Founded: 2013
• Technology: Quantum Encryption
• Website: https://optalysys.com/
• Similar Companies: D-Wave Systems, 1QBit, Rigetti Computing

Orange Quantum Systems

• Key People: Peter P. Neumann, Marcus Brinkmann
• Year Founded: 2018
• Technology: Quantum computing systems based on trapped ions
• Company URL: https://orangeqs.com/
• Similar Companies: IonQ, Honeywell Quantum Solutions, Alpine Quantum Technologies

Orca Computing

• Key People: Richard Murray (CEO)
• Year Founded: 2019
• Technology: Orca Computing is developing quantum computing technology based on continuous-variable photonic quantum computing, using a technology called “repeat-until-success.”
• Company URL: https://www.orcacomputing.com/
• Similar Companies: Xanadu, Sparrow Quantum

Origin Quantum

• KeyPeople: Yao Xilin (Director as of 2021)
• YearFounded: 2020
• Technology: The laboratory conducts research and development in quantum computing, aiming to apply quantum technologies to various fields, including cryptography, AI, and material science.
• Company URL: https://m.originqc.com.cn/en
• Similar Companies: Alibaba Quantum Laboratory, Baidu Quantum Computing Institute

OTI Lumionics

• Key Persons: Micheal Helander
• Year Founded: 2011
• Technology: Quantum Simulation
• Website: https://otilumionics.com/
• Similar Companies: Nanosys Inc., Quantum Materials Corp., QD Vision Inc.

Oxford Instruments

• Key Persons: Martin Wood, Audrey Wood
• Year Founded: 1959
• Technology: Design, manufacture, and support of high-technology tools and systems for research and industry, including quantum technologies and quantum computing
• Website: https://www.oxinst.com/
• Similar Companies: Bruker Corporation, Thermo Fisher Scientific, Keysight Technologies

Oxford Ionics

• Key Persons: Chris Ballance, Tom Harty
• Year Founded: 2019
• Technology: Quantum trapped ion
• Website: https://www.oxionics.com/
• Similar Companies: IonQ, Honeywell Quantum Solutions, Alpine Quantum Technologies

Oxford Quantum Circuits

• Key People: Peter Leek (Founder), Ilana Wisby (CEO)
• Year Founded: 2017
• Technology: Oxford Quantum Circuits is developing scalable quantum computers using superconducting circuits and providing access to quantum hardware.
• Company URL: https://oxfordquantumcircuits.com/
• Similar Companies: Rigetti Computing, IBM Quantum, Alice & Bob

ParityQC

• Key People: Wolfgang Lechner (CEO)
• Year Founded: 2019
• Technology: ParityQC provides a unique architecture for quantum computers which allows for the fast and efficient solution of optimization problems.
• Company URL: https://www.parityqc.com/
• Similar Companies: Cambridge Quantum Computing, Zapata Computing

Pasqal

• Key People: Georges-Olivier Reymond (CEO)
• Year Founded: 2019
• Technology: Pasqal designs and develops quantum processors based on neutral atom arrays.
• Company URL: https://pasqal.io/
• Similar Companies: IonQ, ColdQuanta

Patero

• Key Persons: Henning Schiel
• Year Founded: 2017
• Technology: Quantum Security
• Website: https://www.patero.de/
• Similar Companies: ID Quantique, QuintessenceLabs, Quantum Xchange

Pharmacelera

• Key Persons: Manuel Pastor (CEO and Co-Founder)
• Year Founded: 2018 Focus: Pharmacelera specializes in developing quantum-inspired software for molecular simulations and drug discovery to accelerate the drug development process.
• Quantum Technology: Quantum-inspired algorithms for molecular simulations.
• Website: https://pharmacelera.com/
• Similar Companies: QuantumBio Inc., Schrödinger, OpenEye Scientific

PharmCADD

• Key Persons: Jerod Parsons (CEO and Co-Founder)
• Year Founded: 2019
• Quantum Technology: Quantum computing for drug discovery.
• Website: https://www.pharmcadd.com/
• Similar Companies: CQC, Atomwise, Cyclica

Phase Space Computing

• Key Persons: Matthew Putnam (Founder and CEO)
• Year Founded: 2015
• Quantum Technology: Quantum control software.
• Website: https://www.phasespacecomputing.com/
• Similar Companies: Zapata Computing, Q-CTRL, QC Ware

PhaseCraft

• Key Persons: Toby Cubitt (Founder)
• Year Founded: 2018
• Quantum Technology: Quantum simulation and quantum algorithms.
• Website: https://www.phasecraft.io/
• Similar Companies: Riverlane, QC Ware, CQC (Cambridge Quantum Computing)

Phaseshift Technologies

• Key Persons: Misha Stepanov (Founder and CEO)
• Year Founded: 2016
• Quantum Technology: Quantum software and algorithm design tools.
• Website: https://www.phaseshift.tech/
• Similar Companies: Rigetti Computing, IBM Quantum, Xanadu

Photon Force

• Key Persons: Dr. Donnacha Lowney (Founder and CEO)
• Year Founded: 2012
• Quantum Technology: Quantum optics and photonics sensors.
• Website: https://photon-force.com/
• Similar Companies: Hamamatsu Photonics, Thorlabs, TOPTICA Photonics

Photon Spot

• Key Person: Dr. Ramesh Karri (Founder and CEO)
• Year Founded: 2019
• Quantum Technology: Quantum-resistant security solutions.
• Website: https://www.photonspot.com/
• Similar Companies: PQSecure Technologies, Crypta Labs, PQShield

Photonic Solutions

• Key Person: Dr. Gerry Ronan (CEO)
• Year Founded: 1989
• Quantum Technology: Photonics components for quantum technologies.
• Website: https://www.photonicsolutions.co.uk/
• Similar Companies: Laser Components, TOPTICA Photonics, Jenoptik

Photonics Inc.

• Key Persons: Stephanie Simmons
• Year Founded: 2019
• Technology: Photonic, Spin Qubit
• Website: https://photonic.com/
• Similar Companies: Thorlabs, Coherent, Newport Corporation

PHYSEC GmbH

• Country: Germany
• Key Person: Dr. Johannes Obermaier (CEO and Co-Founder)
• Year Founded: 2016
• Focus: PHYSEC develops solutions for securing digital communication and data transmission against quantum attacks, utilizing quantum-safe encryption algorithms.
• Quantum Technology: Quantum-safe encryption algorithms.
• Website: https://www.physec.de/
• Similar Companies: QuintessenceLabs, ID Quantique, Crypta Labs

PicoQuant

• Key Person: Rainer Erdmann (Founder and CEO)
• Year Founded: 1996
• Quantum Technology: Photon counting and timing instrumentation for quantum applications.
• Website: https://www.picoquant.com/
• Similar Companies: Horiba Scientific, Becker & Hickl, Edinburgh Instruments

PiDust

• Key Persons: Vasilis Armaos, Paraskevas Deligiannis and Dimitris Badounas
• Year Founded: 2019
• Technology: Quantum Simulation
• Website:
• Similar Companies: Rigetti Computing, D-Wave Systems, Xanadu

Pine.ly

• Key Persons: Shabnam Safaei
• Year Founded: 2019
• Technology: Quantum Computing and Classical Simulations
• Website: No Website Found
• Similar Companies: IBM, Google Quantum AI, Microsoft Quantum

Polaris Quantum Biotech

• Key Person: Shahar Keinan (CEO, Founder), Bill Shipman (CTO, Founder)
• Year Founded: 2018
• Quantum Technology: Quantum computing for drug discovery and molecular simulations.
• Website: https://www.polarisqb.com/
• Similar Companies: Pharmacelera, QuantumBio Inc., Schrödinger

Post Quantum (PQ Solutions)

• Country: United Kingdom
• Key Person: Dr. Shahram Mossayebi (Founder and CEO)
• Year Founded: 2009
• Focus: Post Quantum (PQ Solutions) develops quantum-resistant encryption solutions to secure data against potential attacks from quantum computers.
• Quantum Technology: Quantum-resistant encryption solutions.
• Website: https://www.post-quantum.com/
• Similar Companies: PQShield, ISARA Corporation, QuintessenceLabs

Post-Quantum

• Key Persons: Dr. Joost Batenburg (Founder and CEO)
• Year Founded: 2017
• Focus: Providing solutions for post-quantum cryptography, including developing new cryptographic algorithms resistant to quantum attacks.
• Quantum Technology: Post-quantum cryptography.
• Website: https://post-quantum.com/

PQShield

• Key Person: Dr. Ali El Kaafarani (CEO and Co-Founder)
• Year Founded: 2018
• Quantum Technology: Quantum-safe security solutions.
• Website: https://www.pqshield.com/
• Similar Companies: Post Quantum, ISARA Corporation, Crypta Labs

ProteinQure

• Key People: Mark Fingerhuth (CEO)
• Year Founded: 2017
• Technology: ProteinQure uses quantum computing for drug design, specifically for the design of protein-based drugs
• CompanyURL: https://www.proteinqure.com/
• Similar Companies: Cambridge Quantum Computing, Qubit Pharmaceuticals

PsiQuantum

• Key People: Jeremy O’Brien (Co-founder and CEO), Terry Rudolph (Co-founder)
• Year Founded: 2016
• Technology: PsiQuantum focuses on developing photonic quantum computing technology with the goal of building a large-scale, fault-tolerant quantum computer.
• Company URL: https://www.psiquantum.com/
• Similar Companies: Cambridge Quantum Computing, Xanadu, Zapata Computing

Q&I

• Key Persons: Daniel Brown, John Morton, Simone Severini
• Year Founded: 2015
• Technology: Quantum Cryptography, Random Number Generation
• Website: http://qandi.co.uk/
• Similar Companies: ID Quantique, QuintessenceLabs, QuantumCTek

Q.ant

• Key Persons: Michael Fortsch, Andreas Abt, Carolin Werth, Christian Greger
• Year Founded: 2018
• Technology: Quantum Sensing, Quantum Imaging, Light
• Website: https://qant.de/en/
• Similar Companies: Quantum Opus, Photonic Solutions, CQuantum

Q4B Technologies

• Key Persons: Jason Turnbull 
• Year Founded: 2020
• Technology: quantum computing strategy services, business consulting and application development
• Website: https://q4b.org/
• Similar Companies: Quantum Xchange, Quantum Benchmark, QuantumCTek

Qabacus

• Key Persons: Umit Sami
• Year Founded: 2019
• Technology: Quantum Cryptography
• Website: https://www.memcus.com/
• Similar Companies: ID Quantique, QuintessenceLabs, Crypta Labs

Qaisec

• Key Persons: Boris Dimitrov, Boris Grozdanoff, Svetoslav Sotirov, Zdravko Popov
• Year Founded: 2019
• Technology: Quantum Cryptography
• Website: https://qaisec.eu/
• Similar Companies: ID Quantique, QuintessenceLabs, MagiQ Technologies

Qasky

• Key People: Song Yibin (CEO as of 2021)
• YearFounded: 2016
• Technology: Qasky specializes in quantum communication, quantum cryptography, and quantum network technologies.
• Company URL: http://www.qasky.com/
• SimilarCompanies: QuantumCTek, Hefei Quantum Communication Network Co., Ltd.

QBeeX

• Key Persons: Koen Bertels
• Year Founded: 2020
• Technology: Quantum Accelerators, Quantum Simulation
• Website: https://qbee.eu/
• Similar Companies: Q-CTRL, Zapata Computing, 1QBit

QbitLogic

• Key Persons: Arkadiy Miteiko, Benjamin Bales
• Year Founded: 2015
• Technology: Quantum Machine Learning, Quantum Algorithm
• Website:
• Similar Companies: Xanadu, Rigetti Computing, CQC (Cambridge Quantum Computing)

Qblox

• Key People: Dr. Marc Veldhorst (Co-Founder & CEO)
• Year Founded: 2018
• Technology/Innovation: Qblox develops and manufactures control electronics for quantum computing systems, focusing on superconducting qubits.
• Website: www.qblox.com
• Similar Companies: Qnami (Switzerland), Bluefors (Finland)

QBraid

• Key Persons: Andrea Coladangelo, Kanav Setia
• Year Founded: 2019
• Technology: Quantum Programming
• Website: https://www.qbraid.com/
• Similar Companies: Rigetti Computing, Xanadu, IBM Quantum

QCentroid

• Key Persons: Carlos Kuchkovsky (CEO & Cofunder), Antonio Peris (COO & Cofunder)
• Year Founded:
• Technology: Quantum-as-a-Service Platform
• Website: https://qcentroid.xyz/
• Similar Companies: Ai Sweden, Seaneo, and ClearPath Strategies

QC Ware Corp.

• Key People: Matt Johnson (CEO)
• Year Founded: 2014
• Technology: QC Ware develops quantum software and offers services to help businesses utilize quantum computing.
• Company URL: https://qcware.com/
• Similar Companies: Zapata Computing, 1QBit

Q-CTRL

• Key People: Michael J. Biercuk (Founder and CEO)
• Year Founded: 2017
• Technology: Q-CTRL develops quantum control software designed to improve the performance of quantum hardware and reduce errors in quantum computing systems.
• Company URL: https://q-ctrl.com/
• Similar Companies: Riverlane, Zapata Computing, Cambridge Quantum Computing

QD laser

• Key Persons: Mitsuru Sugawara, Tsuge Yuto
• Year Founded: 2006
• Technology: Quantum Dot Laser Technology
• Website: https://www.qdlaser.com/en/
• Similar Companies: Innolume GmbH, Quantel Group, Nanoplus Nanosystems and Technologies GmbH

QDevil

• Key Persons: Jonatan Kutchinsky, Ferdinand Kuemmeth
• Year Founded: 2016
• Technology: Quantum Algorithm
• Website: https://qdevil.com/
• Similar Companies: 1QBit, QC Ware, Zapata Computing

QEDMA Quantum Computing

• Key Persons: Professor Dorit Aharonov, Professor Nathaniel Lindner, Dr. Asif Sinai
• Year Founded: 2020
• Technology: Quantum Algorithms
• Website: https://www.qedma.com/
• Similar Companies: IBM Quantum, Rigetti Computing, Xanadu

QEYnet

• Key Persons: Cordell Grant, Thmas Jennewein, Jennider Elliot, Jean-Philippe Bougoim, Brendon Higgins
• Year Founded: 2016
• Technology: Quantum Key Distribution
• Website: https://www.qeynet.com/
• Similar Companies: ID Quantique, QuintessenceLabs, MagiQ Technologies

Qike Quantum

• Key Persons: Wu Ronghua, Chen Liuping
• Year Founded: 2018
• Technology: Ion Trap, Quantum Key Distribution
• Website: www.qudoor.cn
• Similar Companies: Honeywell Quantum Solutions, Qrypt, ID Quantique

Qilimanjaro Quantum Tech

• Key People: José Ignacio Latorre (Co-founder), Artur Garcia-Saez (Co-founder)
• Year Founded: 2018
• Technology: Qilimanjaro Quantum Tech aims to develop scalable quantum processors and offer cloud-based quantum computing services.
• Company URL: www.qilimanjaro.tech
• Similar Companies: Rigetti Computing, IonQ, D-Wave Systems

Qindom

• Key Persons: Zhepeng Li
• Year Founded: 2018
• Technology: Quantum Intelligence Research
• Website: http://qindom.com
• Similar Companies: Zapata Computing, Xanadu, Cambridge Quantum Computing

Qkrishi

• Key Persons: Monika Aggarwal, Prabha Narayan
• Year Founded: 2021
• Technology: Quantum Kernel, Quantum Algorithm
• Website: https://qkrishi.com/
• Similar Companies: Zapata Computing, 1QBit, QC Ware

Q-LEAP

• Key People: Ryohei Yokoyama (CEO)
• Year Founded: 2017
• Technology: Q-LEAP is focused on the development of software for quantum computers, helping businesses harness the power of quantum computing for their unique needs.
• Company URL: https://q-leap.com/
• Similar Companies: Cambridge Quantum Computing, Quantum Machines

Q-Lion

• Key Persons: Andrea Blanco
• Year Founded: 2019
• Technology: Fault-Tolerant Quantum Error Correction
• Website: https://www.q-lion.com/
• Similar Companies: IonQ, IBM Quantum, Rigetti Computing

QLM Technology

• Key Persons:  Xiao Ai, Yuri Andersson
• Year Founded: 2017
• Technology: Quantum Imaging
• Website: https://qlmtec.com/
• Similar Companies: Single Quantum, QuantumCTek

Qnami

• Key People: Mathieu Munsch (CEO)
• Year Founded: 2016
• Technology: Qnami develops quantum sensing solutions using diamond-based quantum technology.
• Company URL: https://qnami.ch/
• Similar Companies: Quantum Brilliance, QuantumX

QNu Labs

• Key People: Sunil Gupta (Co-founder & CEO), Anil Prabhakar (Co-founder)
• Year Founded: 2016
• Technology/Innovation: QNu Labs is focused on providing unconditionally secure quantum communication solutions using Quantum Key Distribution (QKD) and quantum-safe security solutions.
• Website: www.qnulabs.com
• Similar Companies: ID Quantique (Switzerland), QuantumCTek (China)

QphoX

• Key People: Simon Gröblacher (CEO)
• Year Founded: 2019
• Technology: QphoX aims to link multiple quantum computing devices with its Quantum Modem, which converts electrical signals to optical signals for quantum computers to communicate.
• Company URL: https://qphox.eu/
• Similar Companies: Rigetti Computing, IonQ

QpiAI

• Key Persons: Nagendra Nagaraja
• Year Founded: 2019
• Technology: Artificial Intelligence, Quantum Machine Learning
• Website: https://qpiai.tech/
• Similar Companies: Google Quantum AI, IBM Quantum, Xanadu

Qrate Quantum Communications

• Key Persons: No Key Persons Founded
• Year Founded: 2018
• Technology: Photon Detection, Quantum Key Distribution
• Website: https://goqrate.com/en
• Similar Companies: ID Quantique, MagiQ Technologies, QuintessenceLabs

QRCrypto SA

• Key Persons: Ilya levtov, Artem litinov
• Year Founded: 2019
• Technology: Quantum Cryptography
• Website: https://www.qrcrypto.ch/
• Similar Companies: ID Quantique, QuintessenceLabs, MagiQ Technologies

QRDLab

• Key Persons: No Key Person Found
• Year Founded: 2020
• Technology: Quantum Superconducting
• Website: https://www.qrdlab.com/
• Similar Companies: IBM Quantum, Rigetti Computing, Google Quantum AI

Qrithm

• Key Persons: No Key Persons Found
• Year Founded: 2016
• Technology: Quantum Algorithm
• Website: https://www.linkedin.com/company/qritrim/
• Similar Companies: D-Wave Systems, Rigetti Computing, 1QBit

Qrypt

• Key Persons: Kevin Chalker (Founder, CEO), Denis Mandich (Founder, CTO)
• Year Founded: 2016
• Focus: Qrypt delivers quantum-secure solutions, eliminating key transmission to fundamentally address quantum risk, and providing high-quality quantum entropy from our proprietary QRNG sources to enhance security infrastructures.
• Quantum Technology: Quantum-secure encryption, quantum key generation, quantum entropy as a service
• Website: https://www.qrypt.com/
• Similar Companies: ID Quantique, QuintessenceLabs, Crypta Labs

QSimulate

• Key Persons: Dr. Adrien Suau (CEO and Co-founder)
• Year Founded: 2020
• Quantum Technology: Quantum simulation software for chemical and material science.
• Website: https://www.qsimulate.com/
• Similar Companies: Entropica Labs, Cambridge Quantum Computing, Zapata Computing

QTI – Quantum Telecommunications Italy

• Key Persons: Tommaso Occhipinti
• Year Founded: 2020
• Technology: Quantum Key Distribution
• Website: https://www.qticompany.com/
• Similar Companies: ID Quantique, QuintessenceLabs, MagiQ Technologies

Qu & Co.

• Key People: Benno Broer (CEO), Artur Ekert (Co-founder)
• Year Founded: 2017
• Technology: Qu & Co is focused on providing quantum computing solutions to businesses, specifically in areas like optimization, machine learning, and quantum chemistry.
• Company URL: https://quandco.com/
• Similar Companies: QC Ware, Cambridge Quantum Computing, 1QBit

Quacoon

• Key Persons: Tina Anne Sebastian
• Year Founded: 2020
• Technology: Quantum and Artificial Intelligence
• Website: https://quacoon.com
• Similar Companies: IBM Quantum, Google Quantum AI, Rigetti Computing

Quandela

• Key People: Valerian Giesz (Co-founder), Pascale Senellart (Co-founder)
• Year Founded: 2017
• Technology: Quandela specializes in the development of quantum photonic devices, which are essential components for quantum communication and computing systems.
• Company URL: https://www.quandela.com/
• Similar Companies: Qunnect, Single Quantum, Nu Quantum

Quantaggle

• Key People: Dr. Philipp Rohde (Founder & CEO)
• Year Founded: 2018
• Technology/Innovation: Quantaggle offers a platform for solving quantum-inspired optimization problems, combining classical and quantum computing approaches.
• Website: www.quantaggle.com
• Similar Companies: QC Ware (USA), D-Wave Systems (Canada)

Quantala

• Key Persons: John Martinis
• Year Founded: 2020
• Technology: Quantum Systems Engineering
• Website: https://sites.google.com/quantala.tech/website
• Similar Companies: Q-CTRL, Quantum Benchmark, Strangeworks

Quanta-ly

• Key Persons: Abdul Malek Baitulmal
• Year Founded: 2020
• Technology: Quantum Computing, Quantum Algorithms, Quantum-Classical Hybrid Applications, Ultimate Secured Communications
• Website: https://quanta.ly/
• Similar Companies: Zapata Computing, Cambridge Quantum Computing, IBM Quantum

Quantastica

• Key Persons: Petar Korponaić
• Year Founded: 2019
• Technology: Quantum Algorithm, Quantum Simulation
• Website: https://quantastica.com/
• Similar Companies: Rigetti Computing, D-Wave Systems, Xanadu

Quanterro Labs

• Key Persons: Kaisar Parvez, Ram Soorat
• Year Founded: 2019
• Technology: developing quantum products for banking, telecommunications, cybersecurity, defense, and machine learning
• Website: No Website Found
• Similar Companies: Quantum Technology Foundation Thailand, Quantum Thought, ARD Global

QuantFi

• Key Persons: Dr. Nick von Bulow (Founder and CEO)
• Year Founded: 2017
• Focus: Providing quantum-inspired optimization solutions for financial portfolio management and risk analysis.
• Quantum Technology: Quantum-inspired optimization.
• Website: https://www.quantfi.com/
• Similar Companies: QC Ware, Quantum Benchmark, Multiverse Computing

QuantIC Hub

• Key Persons: University of Glasgow, Heriot-Watt University, University of Bristol, University of Edinburgh
• Year Founded: 2014
• Technology: Quantum Imaging
• Website: https://www.quantic.ac.uk/
• Similar Companies: Quantum Technology Hub for Sensors and Metrology, Quantum Technology Hub for Quantum Communications, Quantum Science and Technology Hub

Quantica Computacao

• Key Persons: Sudin Baraokar, Harsh Patel
• Year Founded: 2017
• Technology: Quantum Algorithm
• Website: http://www.quanticacomputacao.com/index.html
• Similar Companies: 1QBit, Zapata Computing, QC Ware

QuantiCor Security

• Key Persons: Rachid El Bansarkhani
• Year Founded: 2017
• Technology: Quantum Encryption
• Website: https://quanticor-security.de/en/home/
• Similar Companies: PQShield, Post-Quantum, ISARA Corporation

Quantika

• Key Persons: Nathan Shammah, PhD, Robert Marino, Simone De Liberato
• Year Founded: 2019
• Technology: Quantika develops software solutions for quantum computing, including quantum algorithm libraries, simulation frameworks, and optimization tools. They focus on addressing complex problems and leveraging the unique capabilities of quantum computers.
• Website: http://quantika.co/
• Similar Companies: Rigetti Computing, D-Wave Systems, Xanadu.

Quantinuum

• Key Persons: Sub org. of Honeywell, Ilyas Khan, Susan Schwamberger
• Year Founded: 2021
• Technology: Quantum Computing, Trapped Ion hardware, Quantum software stack, Quantum algorithms
• Website: https://www.quantinuum.com/
• Similar Companies: Honeywell Quantum Solutions, Rigetti Computing, 1QBit

Quantistry

• Key Persons: Marcel Quennet
• Year Founded: 2018
• Technology: Quantum Simulation
• Website: https://quantistry.com/en
• Similar Companies: 1QBit, QSimulate, Quantum Benchmark

QuantLR

• Key People: Mr. Asaf Shabtai (Co-Founder & CEO)
• Year Founded: 2018
• Technology/Innovation: QuantLR focuses on developing quantum-resistant encryption solutions to secure long-range communication networks.
• Website: www.quantlr.com
• Similar Companies: QuintessenceLabs (Australia), Qubitekk (USA)

Quantopticon

• Key People: Dr Gaby Slavcheva (founder)
• Year Founded: 2017
• Technology: Quantopticon offers quantum metrology solutions for the design and validation of quantum photonic devices.
• Company URL: https://quantopticon.co.uk/
• Similar Companies: Xanadu, Sparrow Quantum

Quantropi

• Key Persons: James Nguyen,  Mike Redding
• Year Founded: 2018
• Technology: Quantum Encryption
• Website: https://www.quantropi.com/#/home
• Similar Companies: PQShield, Post-Quantum, ISARA Corporation

Quantum Base

• Key Persons: Phillip Speed, Professor Robert Young
• Year Founded: 2014
• Technology: Quantum Random Number Generation
• Website: https://quantumbase.com/
• Similar Companies: QuintessenceLabs, PQShield, ID Quantique

Quantum Benchmark

• Key People: Joseph Emerson (CEO)
• Year Founded: 2017
• Technology: Quantum Benchmark provides software solutions that enable error characterization, error mitigation, error correction and performance validation for quantum computing hardware.
• Company URL: https://www.quantumbenchmark.com/
• Similar Companies: Quantum Circuits, Inc., Quantum Factory GmbH

Quantum Blockchains

• Key Persons: Francisco Gardin
• Year Founded: 2020
• Technology: Quantum Key Distribution
• Website: https://www.quantumblockchains.io/
• Similar Companies: Quantum Resistant Ledger (QRL), QAN Platform, Qubit Protocol

Quantum Blocks

• Key Persons: Thomas J Ackermann
• Year Founded: 2016
• Technology: Quantum Algorithm, Quantum Cryptography
• Website: https://quantumblocks.com/
• Similar Companies: 1QBit, Zapata Computing, Rigetti Computing

Quantum Bridge

• Key Persons: Mattia Montagna, Hoi-Kwong Lo
• Year Founded: 2019
• Technology: Quantum Entanglement
• Website: https://qubridge.io/
• Similar Companies: Quantum-based internet that will revolutionize the way that the world generates, processes, exchanges, and secures data

Quantum Brilliance

• Key People: Andrew Horsley (CEO)
• Year Founded: 2019
• Technology: Quantum Brilliance develops room-temperature quantum computers based on diamond technology.
• Company URL: https://quantumbrilliance.com/
• Similar Companies: Quantum Factory GmbH, Quantum Circuits, Inc.

Quantum Circuits, Inc. (QCI)

• Key People: Robert Schoelkopf (Co-founder), Michel Devoret (Co-founder), Luigi Frunzio (Co-founder)
• Year Founded: 2015
• Technology: Quantum Circuits, Inc. is developing modular and scalable superconducting quantum processors for applications in quantum computing.
• Company URL: https://quantumcircuits.com/
• Similar Companies: Rigetti Computing, IBM Quantum, IonQ

Quantum Computing & AI Research (QCAR)

• Key Persons: No Key Persons Found
• Year Founded: 2017
• Technology: Quantum Research, Artificial Intelligence
• Website: No Website Found
• Similar Companies: IBM Quantum, Google Quantum AI, Microsoft Quantum

Quantum Computing Inc.

• Key Persons: Robert Liscouski,  Andre Peschong, Michael Booth, Jessica Pointing
• Year Founded: 2001
• Technology: Quantum Computing Applications
• Website: https://www.quantumcomputinginc.com/
• Similar Companies: IBM Quantum, Google Quantum AI, Rigetti Computing,

Quantum Dice

• Key People: Mark Bentall (CEO)
• Year Founded: 2018
• Technology: Quantum Dice develops next-generation quantum random number generation (QRNG) technology.
• Company URL: https://www.quantum-dice.com/
• Similar Companies: Quantum Factory GmbH, D-Wave Systems

Quantum eMotion

• Key Persons: Francis Bellido, Bertrand Reulet, Marc Rousseau
• Year Founded: 2012
• Technology: Quantum Encryption and quantum computing
• Website: https://quantumemotion.com/
• Similar Companies: IBM Quantum, Google Quantum AI, Rigetti Computing

Quantum Factory

• Key People: Jens Eisert (CEO)
• Year Founded: 2019
• Technology: Quantum Factory develops quantum algorithms and software, with a focus on quantum error correction and fault-tolerant quantum computation.
• Company URL: https://quantum-factory.de/
• Similar Companies: Zapata Computing, Cambridge Quantum Computing

Quantum Flytrap

• Key Persons: Klem Jankiewicz, Piotr Midgal
• Year Founded: 2020
• Technology: Quantum Cryptography
• Website: https://quantumflytrap.com/
• Similar Companies: QuintessenceLabs, ID Quantique, ISARA Corporation

Quantum Futures

• Key Persons: Christopher Haines, Tim Wainwright
• Year Founded: 2021
• Technology: Quantum Computing
• Website: https://www.quantum-futures.com/
• Similar Companies: IBM Quantum, Google Quantum AI, Rigetti Computing

Quantum Generative Materials

• Key Persons: Deep Prasad, Young Feng Li, Jake Vikoren
• Year Founded: 2021
• Technology: building an end-to-end ecosystem of solutions and quantum-empowered technology that enable our clients to carry out materials discovery all the way to raw materials procurement, all driven by the power of artificial intelligence
• Website: https://www.genmat.xyz/
• Similar Companies: Quantum Materials Corporation, QuSpin, Quantum Brilliance

Quantum Impenetrable

• Key Persons: Mr G. Wayne Haslam
• Year Founded: 2018
• Technology: Quantum Cryptographic Algorithm, Silicon Chip Technology, Quantum Key Distribution
• Website: https://www.dna-256.com/
• Similar Companies: QuintessenceLabs, ID Quantique, Quantum Xchange

Quantum Machines

• Key People: Itamar Sivan (Co-founder and CEO), Yonatan Cohen (Co-founder and CTO)
• Year Founded: 2018
• Technology: Quantum Machines develops advanced control and operation systems for quantum computers, including quantum orchestration platforms and programming languages.
• Company URL: https://www.quantum-machines.io/
• Similar Companies: Q-CTRL, Zapata Computing, Cambridge Quantum Computing

Quantum Mads

• Key Persons: Ana Martín, Javier González, Jon Ander Oribe, lain Mateo, Carlos Navas, Giancarlo Gatti, Rodrigo Asensio, Alain Porto
• Year Founded: 2020
• Technology: Quantum Algorithm
• Website: https://quantum-mads.com/
• Similar Companies: 1QBit, Zapata Computing, QC Ware

Quantum Microwave

• Key Persons: Andy Cobin, Carine Cobin, Justin Cobin, Antonio Patiño
• Year Founded: 2016
• Technology: Quantum Microwave Products
• Website: https://quantummicrowave.com/
• Similar Companies: Q-CTRL, Quantum Machines, Quantum Benchmark

Quantum Motion

• Key People: John Morton (Co-founder), Simon Benjamin (Co-founder)
• Year Founded: 2017
• Technology: Quantum Motion focuses on building silicon-based quantum computing hardware using standard semiconductor technology.
• Company URL: https://quantummotion.tech/
• Similar Companies: Rigetti Computing, PsiQuantum, IonQ

Quantum Opus

• Key persons: Aaron Miller
• Year Founded: 2012
• Technology: Quantum Opus focuses on developing and commercializing advanced quantum technologies for applications in sensing and imaging. Their main emphasis is on developing high-performance quantum sensors and imaging systems for industrial and scientific purposes.
• Company URL: www.quantumopus.com
• Similar companies: Qnami, Q-CTRL, QC Ware

Quantum Phi

• Key Persons: No Key Persons Found
• Year Founded: 2018
• Technology: Quantum Research, Quantum sensing, Quantum imaging, and Quantum computing
• Website: https://www.quantumphi.com/
• Similar Companies: IBM Quantum, Rigetti Computing, D-Wave Systems

Quantum Photonics CERC

• Key Persons: Robert Boyd, Jef Lundeen, Ebrahim Karimi, Ksenia, Dolgalev
• Year Founded: 2012
• Technology: Quantum Photonics, Quantum Research
• Website: http://quantumphotonics.ca/
• Similar Companies: QuTech, HRL Laboratories, Toshiba Quantum Information Group

Quantum Quants

• Key Persons: Giuseppe Colucci, Francesco Giacosa
• Year Founded: 2020
• Technology: Quantum computing and Quantum technologies
• Website: https://quantumquants.wixsite.com/research
• Similar Companies: IBM Quantum, Google Quantum AI, Rigetti Computing

Quantum Strategy Institute and Processes

• Key Persons: Brian Lenahan
• Year Founded: 2021
• Technology: Quantum technology and Quantum Computing
• Website: https://quantumstrategyinstitute.com/
• Similar Companies: IBM Quantum, Google Quantum AI, Rigetti Computing

Quantum Thought

• Key People: Arian Shahdadi (CEO)
• Year Founded: 2020
• Technology: Quantum Thought is a quantum software company developing applications for the coming age of quantum computers.
• Company URL: https://quantumthought.io/
• Similar Companies: Cambridge Quantum Computing, Zapata Computing

Quantum Trilogy

• Key Persons: Alain Obadia
• Year Founded: 2016
• Technology: Quantum Physics and Quantum Technology
• Website: www.quantumtrilogy.com
• Similar Companies: IBM Quantum, Google Quantum AI, Microsoft Quantum

Quantum Xchange

• Key Persons: John Prisco (CEO)
• Year Founded: 2015
• Focus: Offering quantum key distribution (QKD) network services and quantum-safe encryption solutions for secure communication infrastructure.
• Quantum Technology: Quantum key distribution (QKD) network services and quantum-safe encryption.
• Website: https://quantumxc.com/
• Similar Companies: ID Quantique, QuintessenceLabs, Qubitekk

QuantumCai

• Key Persons: Kareem Bishop
• Year Founded: 2020
• Technology: Quantum Networking
• Website: http://quantumcai.com/
• Similar Companies: Quantum Xchange, Quantum Communications, ID Quantique

QuantumCore

• Key People: Paweł Moskal (CEO)
• Year Founded: 2020
• Technology/Innovation: QuantumCore focuses on developing quantum software and applications for finance, logistics, and optimization problems.
• Website: https://quantum-core.io/
• Similar Companies: Multiverse Computing (USA), 1QBit (USA)

QuantumCTek

• Key People: Chen Zeng (CEO)
• Year Founded: 2009
• Technology: QuantumCTek specializes in quantum communication and quantum encryption systems, making it more secure against attacks.
• Company URL:http://www.quantum-info.com/English/
• SimilarCompanies: Qunnect, QuantumX

QuantumFD

• Key Persons: Ilir Berisha, Ovidiu-Ionut Michiu
• Year Founded: 2016
• Technology: Quantum Annealing
• Website: http://www.quantumfd.com/
• Similar Companies: D-Wave Systems, Fujitsu, Zapata Computing

Quantum-South

• Key Persons: Laura Gatti, Martin Machin, Rafael Sotelo
• Year Founded: 2019
• Technology: Quantum computing software, quantum annealing
• Website: https://quantum-south.com/
• Similar Companies: D-Wave Systems, Rigetti Computing, Xanadu

QuantumWise

• Key People: Thomas Magnussen (CEO), Kurt Stokbro (Founder)
• Year Founded: 2008
• Technology/Innovation: QuantumWise develops software for atomic-scale modeling of nanoelectronic devices, a field related to quantum computing.
• Website: www.quantumwise.com (Note: As of 2017, QuantumWise is part of Synopsys.)
• Similar Companies: Nanosoft (USA), Quantum Design (USA), QuantumATK (Denmark)

QuantumX

• Key People: Miguel Cardenas Heresi (CEO & Co-Founder)
• Year Founded: 2019
• Technology: QuantumX is a company focused on developing quantum technologies, with an emphasis on quantum communication systems and quantum sensing applications.
• Company URL: https://www.quantum-x.io/
• Similar Companies: Qunnect, Single Quantum, Q-CTRL

Quantumz.io

• Key Persons: No Key Persons Found
• Year Founded: 2019
• Technology: Quantum Algorithm
• Website: https://quantumz.io/
• Similar Companies: Oxford Ionics, Multiverse Computing, Atom Computing Inc.

QuantWare

• Key People: Niels Bultink (CEO), Jules van Oven (CTO)
• Year Founded: 2020
• Technology: QuantWare designs and manufactures superconducting quantum processors for quantum computing applications.
• Company URL: https://www.quantware.com/
• Similar Companies: Rigetti Computing, IBM Quantum, Quantum Factory GmbH

QuantyCat

• Key Persons: Dr. Pavel Bleher
• Year Founded: 2020
• Technology: hybrid quantum-classic system computing on software service
• Website: www.quantycat.com
• Similar Companies: Azul Systems, Horizon Quantum Computing, Lightbend

Quaxys

• Key Persons: Tony Jacobs
• Year Founded: 2020
• Technology: Microwave engineering, quantum computing, microwave plasma technology, radio astronomy
• Website: https://quaxys.com/
• Similar Companies: Keysight Technologies, IBM Quantum, Plasma-Therm

QuBalt GmbH

• Key Persons:
• Year Founded: 2015
• Technology: Quantum Secure Authentication
• Website: https://www.qubalt.de/
• Similar Companies: ID Quantique, QuintessenceLabs, ISARA Corporation

Qubit Engineering

• Key People: Enrique Lizaso (CEO)
• Year Founded: 2019
• Technology: Qubit Engineering aims to integrate quantum technologies into everyday devices.
• CompanyURL: https://qubitengineering.com/
• Similar Companies: Quantum Machines, Quantum Factory GmbH

Qubit Pharmaceuticals

• Key People: Robert Marino, PhD (CEO), Dr Louis Lagardère, Pr Matthieu Montes
• Year Founded: 2020
• Technology: Qubit Pharmaceuticals uses quantum computing and artificial intelligence to design new drugs and accelerate the drug discovery process.
• Company URL: https://www.qubit-pharma.com/
• Similar Companies: ProteinQure, Cambridge Quantum Computing

Qubit Reset LLC

• Key Persons: No Key Persons Found
• Year Founded: 2019
• Technology: Quantum Cryptography and Quantum Communications
• Website: https://qubitreset.com/
• Similar Companies: ID Quantique, QuintessenceLabs, QuantumCTek

Qubitekk

• Key Persons: Duncan Earl (CEO and Co-founder)
• Year Founded: 2012
• Focus: Developing quantum key distribution (QKD) systems and secure quantum communication solutions for various applications.
• Quantum Technology: Quantum key distribution (QKD) systems and secure communication protocols.
• Website: https://www.qubitekk.com/
• Similar Companies: ID Quantique, QuintessenceLabs, MagiQ Technologies

Qubitera

• Key Persons: No Key Persons Found
• Year Founded: 2018
• Technology: innovative research-based solutions to challenges in near-term quantum computing and AI-assisted technologies.
• Website: No Website Available
• Similar Companies: IBM Quantum, Google Quantum AI, Microsoft Quantum

Qubitor

• Key Persons: Hilaal Alam
• Year Founded: 2017
• Technology: Quantum Simulation
• Website: http://www.qubitor.com/
• Similar Companies: Rigetti Computing, IBM Quantum, Zapata Computing

Qubitrium

• Key Persons: No Key Persons Found
• Year Founded: 2020
• Technology: Quantum Communication, Information Security, Quantum Imaging, Quantum Sensing
• Website: https://qubitrium.com.tr/
• Similar Companies: QuintessenceLabs, Toshiba Quantum Information Group, Single Quantum

QuDot

• Key Persons: Perry Sakkris
• Year Founded: 2018
• Technology: QuDot Net Technology, Quantum Simulation
• Website: http://www.qudotinc.com/
• Similar Companies: Rigetti Computing, 1QBit, QC Ware

Quemix

• Key Persons: Yuichiro Matsushita, Junichi Iwata, Yutaka Maruyama, Taichi Kosugi
• Year Founded: 2019
• Technology: Quantum Computing
• Website: https://www.quemix.com/
• Similar Companies: IBM Quantum, Google Quantum AI, Microsoft Quantum

QuEra Computing

• Key Persons: Dirk Englund, John Pena, Markus Greiner, Mikhail Lukin, Nathan Gemelke, Vladan Vuletic
• Year Founded: 2019
• Technology: Neutral Atoms, Fault-tolerant Quantum Computers 
• Website: https://www.quera.com/
• Similar Companies: D-Wave Systems, Rigetti Computing, Xanadu

QuintessenceLabs

• Key Persons: Dr. Vikram Sharma (Founder and CEO)
• Year Founded: 2008
• Focus: Offering quantum-safe security solutions and quantum key distribution (QKD) technologies to protect against quantum attacks.
• Quantum Technology: Quantum key distribution (QKD) and quantum-safe encryption.
• Website: https://www.quintessencelabs.com/
• Similar Companies: ISARA Corporation, Post-Quantum, QuSecure

QuiX Quantum

• Key Persons: Dr. Stefan Hengesbach
• Year Founded: 2019
• Technology: Quantum Photonic Processor
• Website: https://www.quixquantum.com/
• Similar Companies: PsiQuantum, Xanadu, KETS Quantum Security

Qulab

• Key Persons: Dr. Johannes Jakob Meyer (Co-founder and CEO)
• Year Founded: 2019
• Quantum Technology: Quantum software development and algorithm simulation.
• Website: https://qulab.com/
• Similar Companies: Xanadu, Rigetti Computing, Cirq

QunaSys

• Key People: Yuichiro Minato (CEO), Koji Azuma (CTO)
• Year Founded: 2018
• Technology: QunaSys develops quantum software for quantum chemistry applications, aiming to improve the efficiency of materials and drug discovery processes.
• Company URL: https://qunasys.com/
• Similar Companies: Rahko, HQS Quantum Simulations, QC Ware

Qunatopo

• Key Persons: No Key Persons Found
• Year Founded: 2017
• Technology: Quantum Algorithm
• Website: No Website Found
• Similar Companies: 1QBit, Zapata Computing, Rigetti Computing

Quanvia

• Key Persons: Enrique Solano, Jesús Dominguez, José Rigol
• Year Founded: 2021
• Technology: Quantum Algorithm
• Website: https://www.quanvia.com/
• Similar Companies: 1QBit, Cambridge Quantum Computing, QC Ware

Qunnect

• Key People: Eden Figueroa (Founder), Mael Flament (CEO)
• Year Founded: 2017
• Technology: Qunnect focuses on developing quantum communication devices for secure quantum networks and quantum internet applications.
• Company URL: https://www.qunnect.inc/
• Similar Companies: Quantum Xchange, Qrypt, ID Quantique

Qunova Computing

• Key Persons: June-Koo Kevin Rhee, Francesco Petruccione, Willy Whie Chang, Gwon-hak Lee
• Year Founded: 2021
• Technology: Quantum computing, Quantum simulation
• Website: https://www.qunovacomputing.com/
• Similar Companies: IBM Quantum, Rigetti Computing, D-Wave Systems

Quobly

• Key Persons: Maud Vinet, Tristan Meunier, Francois Perruchot
• Year Founded: 2022
• Technology: Silicon Qubit
• Website: https://qureca.com/
• Similar Companies: SQC, Quantum Motion

QURECA

• Key Persons: Dr. Araceli Venegas-Gomez
• Year Founded: 2019
• Technology: Quantum computing, Quantum communication, Quantum simulation, Quantum sensing
• Website: https://qureca.com/
• Similar Companies: IBM Quantum, Rigetti Computing, IonQ

QuRISK

• Key Persons: Paul Chammas, Joe Ghalbouni, Jimmy Saade
• Year Founded: 2021
• Technology: Quantum Technologies, Quantum Risk Management
• Website: https://www.qurisk.fr/
• Similar Companies: ID Quantique, Crypto Quantique, QuantumXchange

QuSecure

• Key People: Kevin Coleman (CEO)
• Year Founded: 2019
• Technology: QuSecure provides quantum-safe security solutions to help organizations prepare for the era of quantum computing.
• Company URL: https://qusecure.com/
• Similar Companies: ISARA Corporation, Post-Quantum

Quside

• Key Persons: Carlos Abellan
• Year Founded: 2017
• Technology: Quantum Random Number Generator
• Website: https://quside.com/
• Similar Companies: ID Quantique, QuantumCTek, QuintessenceLabs

QuSoft

• Key People: Harry Buhrman (Executive Director)
• Year Founded: 2015
• Technology: QuSoft is a research center dedicated to quantum software and quantum algorithms affiliated with the University of Amsterdam.
• Company URL: https://www.qusoft.org/
• Similar Companies: QuTech, Quantum Circuits, Inc.

QuSpin

• Key Persons: Benjamin Lev (Founder and CEO)
• Year Founded: 2017
• Quantum Technology: Quantum sensing and imaging devices based on spin systems.
• Website: https://www.quspin.com/
• Similar Companies: NVision Imaging Technologies, Quantum Imaging, Qnami

QuTech

• Key People: Leo Kouwenhoven (Co-founder), Ronald Hanson (Co-founder)
• Year Founded: 2014
• Technology: QuTech is a research center focused on quantum computing and quantum internet and collaborates with academic and industrial partners to develop scalable quantum technologies.
• Company URL: https://qutech.nl/
• Similar Companies: Quantum Circuits, Inc., Quantum Factory, Delft Circuits

QuTel Inc

• Key Persons: Paul R. Berger, Dana Krelle   
• Year Founded: 2011
• Technology: Semiconductor
• Website: https://qutel-inc.com/
• Similar Companies: Intel Corporation, Samsung Electronics, Taiwan Semiconductor Manufacturing Company (TSMC)

qutools GmbH

• Key Persons: Prof. Dr. Christian Kurtsiefer, Prof. Dr. Harald Weinfurter and Henning Weier
• Year Founded: 2005
• Technology: Quantum Random Number Generators, Quantum Cryptography Systems and Quantum Optics
• Website: https://qutools.com/
• Similar Companies: ID Quantique, QuintessenceLabs, MagiQ Technologies

QxBranch

• Key People: Michael Biercuk (Founder), Michael Brett (CEO)
• Year Founded: 2014
• Technology: Quantum software development and applications for finance, aerospace, and energy industries
• Company URL: https://qxbranch.com/
• Similar Companies: Rigetti Computing, Zapata Computing, Xanadu

QZabre

• Key People: Kamil Janczyk (CEO & Co-Founder)
• Year Founded: 2018
• Technology/Innovation: QZabre develops quantum-inspired solutions for optimization, scheduling, and logistics problems, leveraging quantum algorithms and classical computing.
• Website: www.qzabre.com
• Similar Companies: D-Wave Systems (Canada), 1QBit (USA)

Rahko

• Key Persons: Leonard Wassnig, Edward Grant
• Year Founded: 2018
• Technology: Quantum Machine Learning
• Website: https://www.rahko.ai/
• Similar Companies: Zapata Computing, Xanadu, Cambridge Quantum Computing

Raytheon BBN

• Key Persons: Leo Beranek, Richard Bolt, Robert Newman
• Year Founded: 1948
• Technology: Superconducting
• Website: https://www.rtx.com/
• Similar Companies: IBM Quantum, Google Quantum AI, Oxford Instruments

ReactiveQ

• Key Persons: Deep Prasad
• Year Founded: 2018
• Technology: Quantum computation
• Website: https://www.reactiveq.io
• Similar Companies: IBM Quantum, Google Quantum AI, Rigetti Computing

RedWave Labs Ltd

• Key Persons: Nadia Permogorov
• Year Founded: 2004
• Technology: Quantum Key Distribution, Single Photon Detectors
• Website: https://www.redwavelabs.com/
• Similar Companies: Hamamatsu Photonics, Newport Corporation, Thorlabs

Rigetti Computing

• Key People: Chad Rigetti (Founder and CEO)
• Year Founded: 2013
• Technology: Rigetti builds quantum processors and offers cloud-based access to quantum computing resources through the Quantum Cloud Services platform.
• Company URL: https://www.rigetti.com/
• Similar Companies: IBM Quantum, Google Quantum AI, Honeywell Quantum Solutions

RIKEN Center for Quantum Computing (RQC)

• Key People: Kae Nemoto (Director as of 2021)
• Year Founded: RIKEN was founded in 1917, but the RQC was established more recently.
• Technology: RIKEN RQC conducts a wide range of research on quantum computing, quantum algorithms, quantum error correction, and more.
• Company URL: https://www.riken.jp/en/research/labs/rqc/
• Similar Organizations: NTT Basic Research Laboratories, Quantum Computing Center, Keio University

Riverlane

• Key People: Steve Brierley (Founder and CEO)
• Year Founded: 2016
• Technology: Riverlane develops quantum software and aims to build a quantum operating system called Deltaflow to improve the performance and control of quantum hardware.
• Company URL: https://www.riverlane.com/
• Similar Companies: Cambridge Quantum Computing, Zapata Computing, Xanadu

Rydberg Technologies

• Key Persons: David Anderson
• Year Founded: 2015
• Technology: Quantum Sensing and Measuring
• Website: https://www.rydbergtechnologies.com/
• Similar Companies: QuSpin, Qnami, Q-CTRL

Sandbox AQ

• Key Persons: Eric Schmidt, Jack Hidary
• Year Founded: 2022
• Technology: Artificial Intelligence, Quantum Technology
• Website: https://www.sandboxaq.com/
• Similar Companies: Zapata Computing, QC Ware, Xanadu

SB Quantum

• Key Persons: David Roy-Guay, Rachel Taylor
• Year Founded: 2017
• Technology: Quantum Magnetometer
• Website: https://sbquantum.com/
• Similar Companies: QuSpin, Metrolab Technology, GWR Instruments

SeeQC

• Key People: Oleg Mukhanov (Managing Director)
• Year Founded: 2018
• Technology/Innovation: SeeQC develops and manufactures quantum computer systems integrating classical and quantum technologies.
• Company URL: https://seeqc.com/
• Similar Companies: Quantum Circuits, Inc., Rigetti Computing

Semicyber

• Key Persons: Kayla Farrow
• Year Founded: 2018
• Technology: Quantum Algorithm
• Website: https://semicyber.com/
• Similar Companies: 1QBit, Zapata Computing, Cambridge Quantum Computing

Senetas Europe Ltd

• Key Persons: Mr. Francis Galbally, Andrew Wilson
• Year Founded: 1999
• Technology: Quantum Security
• Website: https://www.senetas.com/
• Similar Companies: Thales eSecurity, Gemalto, Quantum Xchange

SheQuantum

• Key Persons: Nithyasri Srivathsan
• Year Founded: 2021
• Technology: Quantum Computing eLearning Platform
• Website: https://shequantum.org/
• Similar Companies: Quantum Computing Playground, Qiskit, Quantum Computing for the Determined

ShopTaki

• Key Persons: Asnee Fernando
• Year Founded: 2016
• Technology: Quantum Resistant Cryptography
• Website: https://www.shoptaki.com/
• Similar Companies: ISARA Corporation, Post-Quantum, PQ Solutions

SHYN

• Key Persons: No Key Persons Found
• Year Founded: 2016
• Technology: Quantum Algorithm
• Website: http://www.shyn.org/
• Similar Companies: QC Ware, Zapata Computing, Cambridge Quantum Computing

Sigma-l

• Key Persons: Kentaro Ise, Masayuki Ohzeki, Masamichi J. Miyama
• Year Founded: 2019
• Technology: Quantum Annealing
• Website: https://www.sigmailab.com/
• Similar Companies: D-Wave Systems, Fujitsu, Rigetti Computing

Silicofeller

• Key Persons: Rajesh Narang
• Year Founded: 2021
• Technology: Superconducting
• Website: https://silicofeller.com/
• Similar Companies: IBM Quantum, Rigetti Computing, Google Quantum AI

Silicon Quantum Computing

• Key People: Michelle Simmons (Founder)
• Year Founded: 2017
• Technology: Silicon Quantum Computing is working to create a 10-qubit silicon-based quantum computer prototype.
• Company URL: https://sqc.com.au/
• Similar Companies: Quantum Circuits, Inc., Rigetti Computing

Silq Quantum

• Key People: Dr. Ben Hourahine (CEO)
• Year Founded: 2019
• Technology/Innovation: Silq Quantum focuses on the development of quantum software and algorithms for quantum computing applications.
• Website: https://silq.ethz.ch/
• Similar Companies: QC Ware (USA), Rigetti Computing (USA)

Single Quantum

• Key People: Sander Dorenbos (CEO), Val Zwiller (Co-founder)
• Year Founded: 2012
• Technology: Single Quantum develops superconducting nanowire single-photon detectors (SNSPDs) for quantum communication, quantum computing, and quantum sensing applications.
• Company URL: http://www.singlequantum.com/
• Similar Companies: Nu Quantum, Quandela, Qunnect

Sivers Semiconductors

• Key Person: Anders Storm (CEO)
• Year Founded: Sivers Semiconductors was founded in 1951.
• Technology/Innovation: Sivers Semiconductors specializes in the development and manufacturing of advanced semiconductor products. They focus on wireless communication solutions, including millimeter-wave technology, RFICs (Radio Frequency Integrated Circuits), and optical transceivers for various applications.
• Website: https://www.sivers-semiconductors.com/company-2/about-us/
• Similar Companies: Skyworks Solutions, Qorvo, Analog Devices, and Broadcom.

SK Telecom co. Ltd

• Key Persons: Jaeyoo Cho, Wooyong Choi, Jong Han Park, Yongsik Shin, Jeongwoo Hwang
• Year Founded: 1984
• Technology: Quantum Security
• Website: https://www.sktelecom.com/index_en.html
• Similar Companies: ID Quantique, QuintessenceLabs, ISARA Corporation

Skylark Lasers (Formerly: UniKLasers)

• Key Persons: Dr. Ben Szutor, Lauren Percy, Scott Early
• Year Founded: 2013
• Technology: Compact single frequency DPSS lasers
• Website: https://www.skylarklasers.com/
• Similar Companies: Xanadu, PsiQuantum, LightMatter

SoftwareQ

• Key Persons: Vlad Gheorghiu, Michele Mosc
• Year Founded: 2017
• Technology: Quantum Algorithm, Optimization
• Website: https://www.softwareq.ca/
• Similar Companies: D-Wave Systems, Rigetti Computing, 1QBit

Solid State AI

• Key Persons: Abhi Rampal, Robin Gainer, Bryan McLaughlin
• Year Founded: 2017
• Technology: Quantum Machine Learning
• Website: https://www.solidstate.ai/
• Similar Companies: Zapata Computing, Xanadu, Rahko

Sparrow Quantum

• Key People: David I. Forsythe (CEO)
• Year Founded: 2015
• Technology: Sparrow Quantum is developing photonic quantum technology including single-photon chips for quantum computing applications.
• Company URL: https://sparrowquantum.com/
• Similar Companies: Xanadu, IonQ

SpeQtral

• Key People: Dr. Alexander Ling (Co-founder & CEO)
• Year Founded: 2018
• Technology/Innovation: SpeQtral focuses on developing satellite-based quantum communication systems for secure global communication and quantum key distribution (QKD).
• Website: www.speqtral.space
• Similar Companies: ID Quantique (Switzerland), QuantumCTek (China)

Spin Quantum Tech

• Key Persons: Jean Bernier
• Year Founded: 2018
• Technology: Quantum Algorithm
• Website: https://www.spinqtech.com/
• Similar Companies: IBM Quantum, Rigetti Computing, Google Quantum AI

SpinQ

• Key Persons: Bei Zeng, JinBao Xiang, GuoXing Miao, Shi-Yao Hou
• Year Founded: 2018
• Technology: Spin-based Quantum Technologies, Superconducting Chip Quantum Computer, Desktop NMR Quantum Computer, Quantum Algorithm
• Website: https://spinq.com.cn/
• Similar Companies: Quantum Design, Q-CTRL, Quantum Benchmark

SpinUp AI

• Key Persons: Simon Gold, Jansen Zhikuan Zhao, Vai Joshi, Yuyi Wang
• Year Founded: 2019
• Technology: Quantum Algorithm
• Website: https://spinup.ai/
• Similar Companies: IBM Quantum, Rigetti Computing, Google Quantum AI

Stafford Computing

• Key Persons: Javier Mancilla, Tomás Tagliani
• Year Founded: 2021
• Technology: Quantum Technology, Quantum Machine Learning, Quantum Optimization
• Website: https://www.staffordcomputing.com/
• Similar Companies: IBM Quantum, Rigetti Computing, D-Wave Systems
•  

Strangeworks, Inc.

• Key People: William Hurley (Founder and CEO)
• Year Founded: 2018
• Technology: Strangeworks develops a quantum computing platform that simplifies access to quantum computing resources, enabling users to work with multiple quantum computing hardware and software providers in one place.
• Company URL: https://www.strangeworks.com/
• Similar Companies: Rigetti Computing, D-Wave Systems, IonQ

Strawberry Fields

• Key Persons: Nathan Shammah (Co-founder and CEO)
• Year Founded: 2018
• Quantum Technology: Quantum software development for continuous-variable quantum systems.
• Website: https://strawberryfields.ai/
• Similar Companies: Xanadu, Cirq, Qiskit (IBM)

Super.tech

• Key Persons: Fred Chong, Pranav Gokhale
• Year Founded: 2020
• Technology: connects practical applications to quantum computers, access to simulators and hardware enables forecasting the commercial value that quantum will add to the organization.
• Website: https://www.super.tech/
• Similar Companies: Zapata Computing, Q-CTRL, 1QBit

Synopsys QuantumATK

• Key Persons: Aart Geus, Steven Sharp
• Year Founded: 1986
• Technology: A software platform for simulating and analyzing quantum systems.
• Website: https://www.synopsys.com/
• Similar Companies: QuantumWise, Q-CTRL, Zapata

Taqbit Labs Pvt Ltd

• Key Persons: H. Hanaan
• Year Founded: 2018
• Technology: Hardware and Software Solutions to enhance digital security based on Quantum Physics.
• Website: https://taqbit.com/
• Similar Companies: CQC, ISARA, QuintessenceLabs

Teledyne e2v

• Key Persons:Semyon Aisenstein
• Year Founded: 1947
• Technology: Teledyne e2v is a company that specializes in advanced technology solutions, including semiconductors, imaging sensors, and customized systems.
• Website: https://www.teledyne-e2v.com/en/home/
• Similar Companies: QuantumXchange, D-Wave, IBM

Tencent Quantum Lab

• Key Persons: Jacobus Petrus, MA Huateng
• Year Founded:2018
• Technology: Scientific research of quantum computing. 
• Website: https://quantum.tencent.com/
• Similar Companies: Alibaba, IBM, IonQ

Terra Quantum

• Key People: Markus Pflitsch (CEO and Founder)
• Year Founded: 2019
• Technology/Innovation: Terra Quantum is dedicated to pushing the boundaries of quantum technologies by developing and implementing quantum algorithms and cryptography.
• Website: www.terraquantum.swiss
• Similar Companies: Zapata Computing (USA), QC Ware (USA)

Think Quantum

• Key Persons: Luca Calderaro & Costantino Agnesi
• Year Founded: 2021
• Technology: Optical and quantum communication technologies for cyber security
• Website: https://www.thinkquantum.com/
• Similar Companies: D-Wave, Xanadu, Rigetti Computing

Tokyo Quantum Computing

• Key Persons: Dr. Chiaki Yamaguchi.
• Year Founded: 2017
• Technology: Software startup for quantum computing; they provide computer program source codes for massive simulations of quantum annealing.
• Website: https://www.to-qc.com/
• Similar Companies: Fujitsu, Rigetti Computing, D-Wave

Torr Scientific Ltd

• Key Persons: Mel Thomas
• Year Founded: 1998
• Technology: Quantum technologies, and additive Manufacturing to produce lightweight and power-efficient space gravimeters that use quantum properties to provide highly accurate measurements of variations in gravity.
• Website: https://torrscientific.co.uk/
• Similar Companies: 1Qbit, Rhako

Toshiba Corporation

• Key People: Nobuaki Kurumatani (CEO as of 2021)
• Year Founded: 1875
• Technology: Toshiba’s Quantum Key Distribution (QKD) technology has been a significant contribution to the field of quantum cryptography. Toshiba is also researching and developing other quantum technologies.
• Company URL: https://www.toshiba.co.jp/index.htm
• Similar Companies: NEC Corporation, Fujitsu

Toshiba Europe Limited

• Key Persons: Andrew Shields
• Year Founded: 1999
• Technology: Quantum Cyber Security
• Website: https://www.toshiba.eu/quantum/
• Similar Companies: IBM, Microsoft, Google

Transcelestial Technologies

• Key People: Rohit Jha (Co-founder & CEO)
• Year Founded: 2016
• Technology/Innovation: Transcelestial Technologies focuses on developing quantum-inspired solutions for ultra-fast, wireless communication using laser technology.
• Website: www.transcelestial.com
• Similar Companies: Aetheric Engineering (USA), Mynaric AG (Germany)

TundraSystems Global LTD

• Key Persons: Brian A.A. Antao
• Year Founded: 2014
• Technology: Quantum Photonics
• Website: https://tsgl.xyz/tundrasystems-quantum-photonics/
• Similar Companies: Quandela, ORCA Computing

Turing

• Key People: Andrew Fursman (CEO), Landon Downs (President), Mike Warren (CTO)
• Year Founded: 2012
• Technology: Turing focuses on quantum computing software, specifically the development of quantum simulation tools and applications for various industries, including finance, pharmaceuticals, and energy.
• Company URL: https://www.turingquantum.com/
• Similar Companies: Zapata Computing, Cambridge Quantum Computing, QC Ware

Turkcell

• Key Persons: Murat Vargi, Feridun Aktas, Dundar Ozdemir, Caner Canak, Sule Hogburn, Onur GÜVen, Kaan Terzioğl
• Year Founded: 2016
• Technology: Quantum Cryptography
• Website: https://www.turkcell.com.tr/
• Similar Companies: Vodafone, Avea (now part of Turk Telekom), and Türk Telekom

Ubiant

• Key People: Daniel Mercier (CEO)
• Year Founded: 2008
• Technology/Innovation: Ubiant focuses on developing intelligent systems and software solutions for quantum computing applications in optimization and simulation.
• Website: www.ubiant.com
• Similar Companies: Atos (France), QC Ware (USA)

Ubiquitous Quantum Dots

• Key Persons: Hunter McDaniel, Matthew Bergren, Michael Burrows, Liseth Garay
• Year Founded: 2014
• Technology: Quantum Dots
• Website: https://ubiqd.com/
• Similar Companies: Quantum Materials Corp, Nanoco Group PLC, QD Laser

Unitary Zero Space

• Key Persons: Topias Uotila, Risto Hakala, Juha Muhonen
• Year Founded: 2020
• Technology: Technology-independent quantum computing and quantum technology services company
• Website: https://unitaryzerospace.com/
• Similar Companies: Cambridge Quantum Computing, Quantum Circuits, Inc. (QCI), Quantum Benchmark

Unitive Design & Analysis Ltd

• Key Persons: Dr Phil Marsden, Dr Phil Marsden, Kevin Dowton, Dr Elena Marimón Muñoz, Rob Platten
• Year Founded: 2014
• Technology: Quantum Sensing
• Website: https://www.unitivedesign.co.uk/
• Similar Companies: ColdQuanta, Qnami, Q-CTRL

Universal Quantum

• Key People: Winfried Hensinger (Co-founder), Sebastian Weidt (Co-founder)
• Year Founded: 2018
• Technology: Universal Quantum aims to build large-scale quantum computers using trapped-ion technology.
• Company URL: https://www.universalquantum.com/
• Similar Companies: IonQ, Honeywell Quantum Solutions, Alpine Quantum Technologies

Universal Quantum Devices

• Key Persons: Thomas Jennewein, Steve MacDonald, Raymond Laflamme
• Year Founded: 2010
• Technology: Quantum Entanglement
• Website: https://uqdevices.com/
• Similar Companies: Entanglement Partners, Entangled Networks, Entanglement Inc.

VeriQloud

• Key Persons: Elham Kashefi, Josh Nunn, Marc, Marc Kaplan
• Year Founded: 2017
• Technology: Quantum Cryptography
• Website: https://veriqloud.com/
• Similar Companies: ID Quantique, QuintessenceLabs, Post-Quantum

Vescent Photonics Inc

• Key Persons: Dr. Davis
• Year Founded: 2002
• Technology: Quantum Enabling Laser Technologies
• Website: https://vescent.com/
• Similar Companies: Qubitekk, Ciena, Lightmatter

VLC Photonics

• Key Persons: Pascual
• Year Founded: 2011
• Technology: Photonic Integration Circuits
• Website: www.vlcphotonics.com
• Similar Companies: Qubitekk, Lightmatter, Menlo Systems

VTTI

• Key People: Dr. Daniel Litinski (CEO)
• Year Founded: 2020
• Technology/Innovation: VTTI (Vrije Universiteit Technology Transfer Institute) is involved in commercializing quantum technology developed at the Vrije Universiteit Amsterdam.
• Website: https://www.vttresearch.com/en/about-us/what-vtt
• Similar Companies: Quantum Delta NL (Netherlands), QuTech (Netherlands)

Xanadu

• Key People: Christian Weedbrook (Founder and CEO)
• Year Founded: 2016
• Technology: Xanadu develops photonic quantum computing technology and offers an open-source software platform called Strawberry Fields for simulating and executing photonic quantum algorithms.
• Company URL: https://www.xanadu.ai/
• Similar Companies: Cambridge Quantum Computing, Zapata Computing, PsiQuantum

XeedQ

• Key Persons: Gopalakrishnan Balasubramanian
• Year Founded: 2021
• Technology: Quantum Algorithm, Cryptography, Pharmaceuticals, Fintech
• Website: https://xeedq.com/
• Similar Companies: Cambridge Quantum Computing, IBM Quantum, Rigetti Computing

Xofia

• Key Persons: Carlos A. Sanmiguel (Lead Visionary)
• Year Founded: 2019
• Technology: Quantum Simulation and Optimization
• Website: https://xofia.io/
• Similar Companies: Zapata Computing, 1QBit, QC Ware

XSOC Corp

• Key Persons: Richard Blech, Michael Feinberg, Mike Rash, Ian Searle, Stephen Kruger, Michael Scharf
• Year Founded: 2018
• Technology: Quantum Cryptography
• Website: https://www.xsoccorp.com/
• Similar Companies: ID Quantique, QuintessenceLabs, Qubitekk

XtalPi

• Key Persons: Jian Ma, Lipeng Lai, Shuhao Wen
• Year Founded: 2014
• Technology: Quantum AI
• Website: www.xtalpi.com
• Similar Companies: Schrödinger, OpenEye Scientific Software, BioSolveIT

Zapata Computing

• Key People: Christopher Savoie (CEO), Alán Aspuru-Guzik (Co-founder)
• Year Founded: 2017
• Technology: Zapata develops quantum software, including the Orquestra platform, which enables the creation, deployment, and management of quantum workflows across different quantum hardware and simulators.
• Company URL: https://www.zapatacomputing.com/
• Similar Companies: Cambridge Quantum Computing, Xanadu, PsiQuantum

ZTE

• Key Persons: Wei Gui Hou
• Year Founded: 1985
• Website: https://www.zte.com.cn/global/
• Technology: Quantum Encryption
• Similar Companies: ID Quantique, QuintessenceLabs, Toshiba Corporation

Zurich Instruments

• Key Persons: Sadik Hafizovic, Roman Bögli, and Flavio Heer (Founders)
• Year Founded: 2008
• Quantum Technology: Measurement instruments and control systems for quantum technologies.
• Website: https://www.zhinst.com/
• Similar Companies: Keysight Technologies, National Instruments, SignalCore

ZY4

• Key Persons: Railton Frith, Dr. Andrew Deonarine, Nicolas Roussy Newton
• Year Founded: 2014
• Technology: Quantum Encryption, Quantum Cryptography
• Website: www.zy4.com
• Similar Companies: ID Quantique, QuintessenceLabs, MagiQ Technologies