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Quantum Companies

News on the companies building the quantum industry, from public hardware makers to software startups and national champions. For the full landscape, see our guide to the top quantum computing companies.

  • A quantum computer's cryogenic assembly, with gold-plated cooling stages and coaxial wiring inside a rack
    Quantum Companies, Quantum Features

    UK Quantum-Adjacent Companies: The Enabling Tech Behind Quantum

    by FuturistMay 24, 2026
  • PsiQuantum Secures Site for World’s First Utility-Scale Quantum Computer
    Quantum Computing News, Quantum Companies

    PsiQuantum Secures Site for World’s First Utility-Scale Quantum Computer

    by Rusty FlintMay 21, 2026
  • Aquark Technologies Becomes First UK Firm at Niels Bohr Institute
    Quantum Companies, Quantum Ecosystem

    Aquark Technologies Becomes First UK Firm at Niels Bohr Institute

    by Rusty FlintMay 21, 2026
  • Aegiq Plans Multi-Million-Pound Investments Over Five Years
    Quantum Computing Business News, Quantum Companies

    Aegiq Plans Multi-Million-Pound Investments Over Five Years

    by Rusty FlintMay 20, 2026
  • Anatomical brain shape printed with circuit traces
    Quantum Computing Business News, Quantum Companies

    Infleqtion Appoints M. Klein & Company Leader to Board of Directors

    by Dr. DonovanMay 14, 2026
  • Seth Lloyd Joins Planckian After Landmark Science Paper Proposal
    Quantum Hardware, Quantum Companies

    Seth Lloyd Joins Planckian After Landmark Science Paper Proposal

    by Rusty FlintMay 14, 2026
  • IonQ Opens New Quantum Computing R&D Lab in Boulder
    Quantum Research News, Quantum Companies

    IonQ Opens New Quantum Computing R&D Lab in Boulder

    by Ivy DelaneyMay 13, 2026
  • GPU computing accelerating parallel workloads for AI and science
    Technology News, Quantum Companies

    NVIDIA Adds Former Goldman Sachs Vice Chairman to 11-Member Board

    by The QuantMay 11, 2026
  • Cybersecurity defences protecting digital infrastructure from threats
    Quantum Computing News, Quantum Companies

    Quantum Computing Inc. Stock (QUBT) to be Discussed at Needham

    by The NeuronMay 1, 2026
  • Rigetti to Report First Quarter 2026 Results
    Quantum Computing News, Quantum Companies

    Rigetti to Report First Quarter 2026 Results

    by The QuantApril 28, 2026
  • IBM Quantum System Two Arrives in Chicago This September
    Quantum Companies

    IBM Quantum System Two Arrives in Chicago This September

    by Ivy DelaneyApril 22, 2026
  • SEALSQ Plans 100-Satellite Constellation for Quantum Services in Space
    Quantum Companies

    SEALSQ Plans 100-Satellite Constellation for Quantum Services in Space

    by Ivy DelaneyApril 17, 2026
  • Aeluma Secures $4 Million Contracts for Quantum Materials Scaling
    Quantum Computing News, Quantum Companies

    Aeluma Wins $4M Contracts for Quantum Materials

    by The QuantApril 14, 2026
  • GPU computing accelerating parallel workloads for AI and science
    Quantum Computing News, Quantum Companies

    Infleqtion to Review 2025 Financial Results and 2026 Outlook

    by Dr. DonovanApril 2, 2026
  • Quantum computing processor with qubits represented on the Bloch sphere
    Quantum Security, Quantum Companies, Quantum Computing News

    BTQ Tech Advances Post-Quantum Asset Security

    by Dr. DonovanMarch 31, 2026
  • Oratomic Launches Company to Build Utility-Scale Quantum Computers
    Quantum Computing, Quantum Companies, Quantum Computing News

    Oratomic to Build Utility-Scale Quantum Computers

    by Dr. DonovanMarch 31, 2026
  • Xanadu Becomes Publicly Listed Company on Nasdaq and Toronto Stock Exchange
    Quantum Computing, Quantum Companies

    Xanadu Quantum Technologies Lists on Nasdaq, TSX

    by Dr. DonovanMarch 27, 2026
  • SpaceX Prepares Initial Public Offering
    Technology, Quantum Companies, Space

    SpaceX Prepares Initial Public Offering

    by Dr. DonovanMarch 25, 2026
  • Nasdaq: Horizon Quantum Begins Trading on Nasdaq
    Quantum Companies

    Horizon Quantum Begins Trading on Nasdaq

    by Dr. DonovanMarch 21, 2026
  • Photonic quantum computer using light particles as qubits
    Quantum Computing Business News, Quantum Companies, Quantum Computing

    Xanadu: First Public Photonic Quantum Firm

    by Dr. DonovanMarch 20, 2026
  • Photonic quantum computer using light particles as qubits
    Quantum Computing Business News, Quantum Companies, Quantum Computing

    Photonic Inc. Names CEO, CPO for Growth

    by Dr. DonovanMarch 14, 2026
  • SkyWater Reports Record 2025 Revenue and Profit Growth
    Technology News, Quantum Applications, Quantum Companies

    SkyWater Reports Record 2025 Revenue and Profit Growth

    by Dr. DonovanMarch 12, 2026
  • Xanadu Showcases Technical Roadmap and Full-Stack Platform at Analyst Day
    Quantum Computing Business News, Quantum Companies, Quantum Computing

    Xanadu Roadmap: Full-Stack Quantum Platform to 2026

    by Dr. DonovanMarch 7, 2026
  • Photonic quantum computer using light particles as qubits
    Quantum Technology, Quantum Companies, Quantum Computing News

    QCI Acquires NuCrypt for Quantum Communications

    by Dr. DonovanMarch 7, 2026
  • Photonic quantum computer using light particles as qubits
    Quantum Computing Business News, Quantum Companies, Quantum Computing

    Xanadu Listing: Path to Scalable Quantum Computing

    by Dr. DonovanMarch 4, 2026
  • Xanadu Advances Toward Public Listing with SEC Effectiveness of Registration Statement
    Quantum Computing Business News, Quantum Companies, Quantum Computing

    Xanadu SEC Filing Advances Quantum Listing

    by Dr. DonovanMarch 3, 2026
  • Quantum Computing Inc. Opens Manufacturing Facility and Raises $1.5 Billion in 2025
    Quantum Companies, Quantum Computing Business News

    Quantum Computing Inc. Opens $1.5B Facility

    by Dr. DonovanMarch 3, 2026
  • BTQ Technologies Added to WisdomTree Quantum Computing Fund
    Quantum Computing Business News, Quantum Companies

    BTQ Technologies Added to WisdomTree Quantum Computing Fund

    by Dr. DonovanMarch 3, 2026
  • US Quantum Computing Companies 2026
    Quantum Features, Quantum Companies

    US Quantum Computing Companies 2026

    by Quantum Computing TechnologyMarch 3, 2026
  • QuNorth Strengthens Technical Leadership with Full-Stack Quantum Expert
    Quantum Computing, Quantum Companies, Quantum Computing News

    QuNorth Appoints Full-Stack Quantum CTO

    by Dr. DonovanMarch 3, 2026
  • French Quantum Computing Companies 2026
    Quantum Companies

    French Quantum Computing Companies 2026

    by Rusty FlintFebruary 27, 2026
  • IonQ Reports $130 Million in 2025 Revenue, Tripling Prior Year Results
    Quantum Computing Business News, Quantum Companies, Quantum Computing

    IonQ 2025 Revenue Triples to $130 Million

    by Dr. DonovanFebruary 26, 2026
  • The definitive guide to the UK's most significant quantum technology companies, from Oxford hardware spinouts to Cambridge error correction pioneers.
    Quantum Companies

    UK Quantum Computing Companies 2026

    by Quantum Computing TechnologyFebruary 25, 2026
  • Quantum Computing Companies In 2026
    Quantum Companies

    Quantum Computing Companies In 2026

    by Quantum StrategistFebruary 24, 2026
  • IQM to Become First Publicly Listed European Quantum Company via $1.8B Merger
    Quantum Companies

    IQM: Europe’s First Public Quantum Computing Firm

    by Dr. DonovanFebruary 23, 2026
  • Repurposed Surfaces Create New Wireless Links by Guiding and Emitting Waves
    Quantum Companies

    Wireless Links Boosted by Fluid Antenna Systems

    by Muhammad Rohail T.February 13, 2026
  • QMill Achieves Six-Fold Leap Towards Quantum Advantage with 48 Qubits
    Quantum Companies

    QMill: 48 Qubits & 6x Leap to Quantum Advantage

    by Dr. DonovanJanuary 25, 2026
  • Nvidia’s cuQuantum SDK Targets AI-Powered Quantum Processor Tools
    Artificial Intelligence, Quantum Companies

    Nvidia cuQuantum SDK Speeds Quantum Simulations

    by Dr. DonovanDecember 19, 2025
  • $500M Tax Incentive Could Fuel Japan’s Quantum Computing Push
    Quantum Companies

    Japan: $500M Tax Incentive for Quantum Computing

    by Dr. DonovanDecember 8, 2025
  • Code Switching Cuts Quantum Circuit Errors
    Quantum Companies

    Code Switching Cuts Quantum Circuit Errors

    by Quantum EvangelistDecember 5, 2025
  • Artificial Intelligence for Quantum Computing
    Artificial Intelligence, Quantum Companies

    Artificial Intelligence for Quantum Computing

    by Quantum EvangelistDecember 3, 2025
  • Horizon Quantum Operates First Quantum Computer as Software Company
    Quantum Companies

    Horizon Quantum Operates Quantum Computer

    by Dr. DonovanDecember 3, 2025
  • Which Quantum Companies Made the Cut In Trump's Genesis Mission?
    Quantum Companies

    Quantum Firms Gain Edge in Trump’s Genesis Mission

    by Quantum StrategistNovember 27, 2025
  • Lancaster University Showcases Quantum Tech at National Showcase
    Quantum Companies

    Lancaster U Shows Quantum Tech & Memory

    by Dr. DonovanNovember 17, 2025
  • Fault-Tolerant Quantum Computing Scales Catalysts
    Quantum Algorithms, Quantum Companies, Quantum Error Correction

    Fault-Tolerant Quantum Computing Scales Catalysts

    by Quantum StrategistNovember 15, 2025
  • Path to utility scale for Diraq’s quantum chips
    Quantum Companies

    Path to utility scale for Diraq’s quantum chips

    by Dr. DonovanOctober 2, 2025
  • Quantum Computing Achieves Breakthrough with Reduced Circuit Complexity
    Quantum Companies

    Quantum Computing: Simpler Circuits Boost Potential

    by Dr. DonovanSeptember 11, 2025
  • Scientists Achieve 98.739% Fidelity Toffoli Gates on 127-qubit Processors, Advancing Quantum Computing
    Quantum Companies

    98.7% Fidelity Toffoli Gates on 127-Qubit Processors

    by Dr. DonovanSeptember 10, 2025
  • Single Qubit Coupling Drives Measurable Signatures in Classical Oscillators, Enabling State Reconstruction
    Quantum Companies

    Qubit Coupling Reconstructs Oscillator State

    by Dr. DonovanSeptember 8, 2025
  • Scalable Two-Qubit Gates Achieve High Fidelity with Reduced Laser Power for Universal Computing
    Quantum Companies

    Two-Qubit Gates: High Fidelity, Less Laser Power

    by Dr. DonovanSeptember 8, 2025
  • Quantum Benchmarks: 16-Qubit Dynamics Suite Tested
    Quantum Companies

    Quantum Benchmarks: 16-Qubit Dynamics Suite Tested

    by Dr. DonovanSeptember 5, 2025
  • Researchers Accelerate Subgraph Isomorphism Using a GPU and Database Operations for Faster Analysis
    Quantum Companies

    Δ-Motif Algorithm Speeds Quantum Circuit Compilation

    by Dr. DonovanSeptember 1, 2025
  • A blue­print for error-cor­rected fermionic quan­tum pro­ces­sors
    Quantum Companies, Quantum Error Correction

    Fermionic Quantum Processors Enable Error Correction

    by Dr. DonovanSeptember 1, 2025
  • Quantum Circuits Boost Speed with Fewer Parameters
    Quantum Companies

    Quantum Circuits Boost Speed with Fewer Parameters

    by Dr. DonovanAugust 21, 2025
  • Chinese Jiuzhang 4.0 Demonstrates Quantum Advantage with 1024 Squeezed States
    Quantum Companies

    Jiuzhang 4.0 Achieves Quantum Advantage with 1024 States

    by Dr. DonovanAugust 13, 2025
  • SuperQ Quantum Reports First Revenue From Quantum Agriculture Project
    Quantum Companies

    SuperQ Quantum: First Revenue From Quantum Agriculture

    by Dr. DonovanJuly 24, 2025
  • Neutral Atoms, Boosting Quantum Computing Potential
    Quantum Companies

    Neutral Atoms, Boosting Quantum Computing Potential

    by Dr. DonovanJuly 14, 2025
  • Microsoft's 4D Quantum Error Correction: A Scientific Breakthrough in Fault-Tolerant Computing
    Quantum Companies, Quantum Error Correction

    Microsoft’s 4D Quantum Error Correction Codes

    by Quantum StrategistJune 20, 2025
  • NVIDIA's CEO
    Quantum Companies

    NVIDIA CEO: Quantum Computing Inflection Point

    by Dr. DonovanJune 12, 2025
  • NVIDIA Systems Accelerate Quantum Computing Development with GPU Power
    Quantum Companies

    NVIDIA GPUs Accelerate Quantum Computing Development

    by Dr. DonovanJune 12, 2025
  • Pasqal Unveils 2025 Roadmap for Scalable, Fault-Tolerant Quantum Computing
    Quantum Companies

    Pasqal’s 2025 Roadmap: Scalable Quantum Computing

    by Dr. DonovanJune 12, 2025
  • OQC Roadmap Targets 50,000 Logical Qubits by 2034, Leading Quantum Computing Advancement
    Quantum Companies, Quantum Error Correction

    OQC Roadmap Targets 50,000 Logical Qubits by 2034

    by Dr. DonovanJune 6, 2025
  • Alice & Bob French Quantum Tech Select for Next40/120
    Quantum Companies

    Alice & Bob French Quantum Tech Select for Next40/120

    by Dr. DonovanJune 6, 2025
  • D-Wave Announces General Availability of Advantage2, Its Most Advanced and Performant Quantum Computer Yet
    Quantum Companies

    D-Wave Advantage2: New Quantum Computer Unveiled

    by Dr. DonovanMay 20, 2025
  • IQM Delivers World-Leading 300-Qubit Superconducting Quantum Computer for Error Correction Research to Finland
    Quantum Companies

    IQM: 300-Qubit Quantum Computer for Finland

    by Dr. DonovanMay 20, 2025
  • Microsoft Warns U.S. Must Prioritize Quantum Computing Funding to Avoid Falling Behind China
    Quantum Companies

    Quantum Computing: US Risks Falling Behind China

    by Dr. DonovanMay 1, 2025
  • Kipu Quantum Launches Advanced Optimization Application Via IBM Qiskit For Solving Complex Problems On Quantum Systems
    Quantum Companies, Quantum Computing Business News

    Kipu Quantum Optimizer Now on IBM Qiskit

    by Dr. DonovanMarch 19, 2025
  • Nu Quantum Partners With Leading Companies To Launch Data Center-Scale Quantum Computing: Quantum Datacenter Alliance
    Quantum Companies

    Nu Quantum Launches Quantum Datacenter Alliance

    by Dr. DonovanMarch 10, 2025
  • Proposal of a new quantum computer architecture that separates memory and processor -- A portable, memory-efficient design paves the way for practical quantum computing
    Quantum Companies

    NTT: Separated Memory & Processor Boosts Quantum Computing

    by Dr. DonovanMarch 4, 2025
  • ZuriQ, 2D-Ion Trapped Technology Quantum Computing Company From Switzerland
    Quantum Companies

    ZuriQ: 2D-Ion Trapped Quantum Computing

    by Kyrlynn DJanuary 29, 2025
  • 18 Public Quantum Computing Companies
    Quantum Features, Quantum Companies

    Public Quantum Computing Companies for 2026

    by The Quantum MechanicJanuary 24, 2025
  • IBM Quantum Engine Compiler Boosts Software
    Quantum Companies

    IBM Quantum Engine Compiler Boosts Software

    by Dr. DonovanJanuary 13, 2025
  • Quantum Winter or Quantum Pause In The Aftermath of Worst Crash in Quantum Computing Stocks
    Quantum Companies, Quantum Computing

    Quantum Computing Stocks Crash: Winter or Pause?

    by The Quantum MechanicJanuary 11, 2025
  • Exploring the Cutting-Edge French Quantum Computing Companies Driving Innovation
    Quantum Companies

    French Quantum Computing Companies & Innovation

    by Kyrlynn DJanuary 8, 2025
  • Quantum Computing Companies from Italy
    Quantum Companies

    Quantum Computing Companies from Italy

    by Kyrlynn DJanuary 8, 2025
  • A Look at the German Quantum Computing Market
    Quantum Companies

    A Look at the German Quantum Computing Market

    by Kyrlynn DDecember 18, 2024
  • Planckian simplifies quantum computing with conveyor belt architecture
    Quantum Companies

    Planckian: Conveyor Belt Quantum Computer Architecture

    by Dr. DonovanDecember 18, 2024
  • IBM Launches National Quantum Algorithm Center in Chicago
    Quantum Funding Landscape, Quantum Companies

    IBM Launches National Quantum Algorithm Center in Chicago

    by Dr. DonovanDecember 13, 2024
  • A look at the Quantum Computing Companies powering Israel
    Quantum Companies

    A look at the Quantum Computing Companies powering Israel

    by Kyrlynn DDecember 13, 2024
  • Investing $1,000 in Quantum Companies One Year Ago, How Much Is It Worth Today?
    Quantum Companies

    Quantum Stocks: $1K Investment, One Year Later

    by Quantum Computing TechnologyDecember 1, 2024
  • Private Firm PsiQuantum Aims to Revolutionize Quantum Computing by 2027
    Quantum Companies

    PsiQuantum Targets 2027 for Quantum Computing

    by Dr. DonovanNovember 29, 2024
  • India Selects 8 Startups to Advance Quantum Technology
    Quantum Companies

    India Selects 8 Startups to Advance Quantum Technology

    by Dr. DonovanNovember 27, 2024
  • IQM Unveils Roadmap for Fault-Tolerant Quantum Computing by 2030
    Quantum Computing Business News, Quantum Companies, Quantum Error Correction

    IQM Roadmap Targets Fault-Tolerant Quantum Computing 2030

    by Dr. DonovanNovember 13, 2024
  • IBM Develops Qiskit Code Assistant. AI Model to Generate Quantum Computing Code.
    Artificial Intelligence, Quantum Companies

    Qiskit AI Generates Quantum Computing Code

    by Dr. DonovanOctober 11, 2024
  • 16 Leading Quantum Computing Companies Pushing The Boundaries of Emerging Technology
    Quantum Companies

    Quantum Computing: 16 Leading Companies Emerge

    by Kyrlynn DSeptember 26, 2024
  • Multiverse Computing Features in 20 Most Promising Startups in Spain
    Quantum Computing Business News, Quantum Companies

    Multiverse Computing: Top Spanish Startup 2024

    by Dr. DonovanSeptember 26, 2024
  • Samsung Unveils Galaxy Quantum 5 with Advanced Quantum Security Features
    Quantum Research News, Quantum Companies, Quantum Computing Business News

    Galaxy Quantum 5: Quantum Security in New Phone

    by Dr. DonovanSeptember 5, 2024
  • IBM's Unique Culture: Respect, Innovation, and Customer Focus Drive Success
    Quantum Companies

    IBM Culture Drives Quantum Innovation

    by Dr. DonovanAugust 22, 2024
  • IBM Algorithms Set New Standard for Post-Quantum Data Security
    Quantum Companies

    IBM: Post-Quantum Algorithms Win NIST Security Standard

    by Dr. DonovanAugust 15, 2024
  • Honeywell Considers $10 Billion IPO for British-Based Quantum Computing Firm Quantinuum.
    Quantum Companies

    Quantinuum IPO: Honeywell Eyes $10B Quantum Computing Exit

    by Dr. DonovanJuly 28, 2024
  • China Defies US Blockade with Breakthroughs in Quantum Computing
    Quantum Companies

    China Advances Quantum Computing Despite US Blockade

    by Dr. DonovanJuly 27, 2024
  • Scientists Achieve Record-Breaking Quantum Simulation with 13,858 CNOTs
    Quantum Companies

    IBM Quantum Simulation Reaches 13,858 CNOTs

    by Dr. DonovanJuly 11, 2024
  • 10 Quantum Companies to Watch in 2024
    Quantum Features, Quantum Companies

    10 Innovative Quantum Companies to Watch in 2024

    by Kyrlynn DJuly 10, 2024
  • Getting started with Q# and Machine Learning
    Machine Learning, Quantum Companies

    Getting started with Q# and Machine Learning

    by Kyrlynn DJuly 1, 2024
  • What Is A Quantum Computer?
    Quantum Computing, Quantum Companies

    What Is A Quantum Computer?

    by Kyrlynn DJune 1, 2024
  • IBM Quantum Premium Plan Unveils AI-Powered Qiskit Transpiler Service, Promises 42% Reduction in Gate Counts
    Quantum Companies

    IBM Quantum: AI Transpiler Cuts Gate Counts 42%

    by Dr. DonovanMay 28, 2024
  • IBM's Qiskit Quantum Software Evolves: 39 Times Faster, 3 Times Less Memory Usage
    Quantum Programming, Quantum Companies

    Qiskit Software: 40x Faster, Less Memory

    by Dr. DonovanMay 16, 2024
  • IBM's 2024 Quantum Challenge: Harnessing Qiskit 1.0 for Utility-Scale Quantum Experiments
    Quantum Companies, Quantum Events

    IBM Quantum Challenge: Qiskit 1.0 & Utility-Scale

    by Dr. DonovanMay 10, 2024
  • Microsoft Quantum Computing
    Quantum Companies, Quantum Education

    Microsoft Quantum Computing: Pioneers & Azure

    by Dr. DonovanMay 3, 2024
  • Quantum Companies: The Mega List (Over 400 Quantum Companies) Powering The Quantum Era
    Quantum Companies

    400+ Quantum Companies Powering Tech Era

    by Kyrlynn DApril 30, 2024

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