Find Quantum Computing Companies
The quantum technology industry is experiencing unprecedented growth and diversification. With hundreds of companies emerging across quantum computing, sensing, communications, and security, keeping track of the ecosystem’s key players has become increasingly challenging for investors, researchers, and industry professionals.
Quantum Navigator addresses this need by providing the most comprehensive, filterable database of quantum companies worldwide. Hosted at entangledfuture.com, the platform currently tracks 976 quantum companies across 48 countries, spanning over 154 technology categories. This makes it one of the most extensive resources available for understanding the structure and dynamics of the global quantum industry.
The core of Quantum Navigator is its powerful search functionality. Users can filter companies by multiple criteria to find exactly what they’re looking for:
- Geographic location: Filter by country or region to explore quantum ecosystems in specific markets
- Technology category: Search across 154+ categories including quantum software, hardware, security, sensing, and communications
- Qubit technology: Find companies working with specific qubit types—superconducting, trapped ion, photonic, neutral atom, silicon, and more
- Founding date: Identify new startups or established players based on when they were founded
- Full-text search: Search company descriptions, technology focus areas, and recent developments
Interactive Global Map
The interactive world map provides a visual representation of the quantum ecosystem, featuring intelligent clustering and regional insights. With over 952 companies plotted geographically, users can quickly identify quantum hubs and explore regional concentrations of activity. The map makes it easy to understand where quantum innovation is happening and discover companies operating in specific regions.
Investment Tracker
For investors and analysts, Quantum Navigator includes a dedicated investment tracking section that monitors funding rounds, valuations, and market capitalizations across the quantum sector. The tracker currently covers 57 private companies with funding data, 9 publicly traded quantum stocks, and over 121 individual funding deals. This provides essential financial context for understanding company maturity and market positioning.
VC & Investor Directory
Beyond company profiles, the platform maintains a directory of quantum-focused venture capital firms and investors. This section profiles leading quantum investors including Quantonation, QAI Ventures, Quantacet, DCVC, and others who are actively deploying capital into the quantum sector. Each investor profile includes fund details, investment focus, and portfolio companies.
Quantum Stack Overview
The Quantum Stack section provides a structured view of the entire quantum technology stack, from fundamental hardware and qubits to middleware, software, and applications. This helps users understand how different companies fit into the broader quantum ecosystem and identify gaps or opportunities across the value chain.
Company Comparison Tool
The comparison feature allows side-by-side analysis of quantum companies, enabling users to evaluate competing approaches, technologies, and business models. This is particularly valuable for due diligence, competitive analysis, and understanding technological trade-offs between different quantum computing architectures.
Global Quantum Hubs
The distribution of quantum companies reveals clear geographic concentrations of activity. The following table shows the leading quantum ecosystems by company count:
| Country | Number of Companies |
| United States | 284 |
| United Kingdom | 81 |
| Germany | 79 |
| Canada | 59 |
| Japan | 55 |
Source: Quantum Navigator, December 2025
Technology Categories
Quantum Navigator categorizes companies across the full spectrum of quantum technologies. The most populated categories reflect where commercial activity is most concentrated:
| Category | Companies |
| Quantum Software | 223 |
| Hardware | 209 |
| Quantum Research | 110 |
| Quantum Security | 109 |
| Quantum Communications | 101 |
| Quantum Processors | 93 |
| Quantum Components | 83 |
| Quantum Sensing | 78 |
| Quantum Infrastructure | 74 |
| Quantum Photonics | 64 |
Source: Quantum Navigator, December 2025
Featured Industry Leaders
Quantum Navigator tracks the full spectrum of quantum companies, from tech giants with major quantum divisions to specialist startups. Featured companies include:
- IBM Quantum: Pioneering superconducting qubit technology with cloud-accessible quantum systems
- Google Quantum AI: Research-focused team advancing quantum supremacy and error correction
- IonQ: Leading trapped-ion quantum computing with publicly traded stock
- Quantinuum: Formed from Honeywell Quantum Solutions and Cambridge Quantum Computing merger
- PsiQuantum: Photonic quantum computing with significant funding and manufacturing partnerships
- D-Wave: Quantum annealing specialist with commercial quantum computing systems
- Pasqal: European leader in neutral atom quantum computing
- IQM: Finland-based superconducting quantum computer manufacturer
- Xanadu: Canadian photonic quantum computing with open-source software focus
- Oxford Quantum Circuits: UK-based company with proprietary Coaxmon qubit architecture
Who Uses Quantum Navigator?
Quantum Navigator serves multiple stakeholder groups within the quantum ecosystem:
Investors and Analysts
Venture capitalists, corporate development teams, and financial analysts use Quantum Navigator for deal sourcing, competitive landscape analysis, and due diligence. The investment tracker and VC directory provide essential data for understanding funding dynamics and identifying co-investment opportunities.
Researchers and Academics
Academic researchers and national laboratories use the platform to identify potential industry collaborators, track commercialization of academic research, and understand technology transfer patterns. The technology stack view helps map research focus areas to commercial applications.
Corporate Strategy Teams
Enterprise technology teams evaluating quantum computing for their organizations use Quantum Navigator to understand vendor landscapes, compare technology approaches, and identify potential partners or acquisition targets. The comparison tool supports build-versus-buy decisions and technology roadmap planning.
Government and Policy
Policy makers and government agencies monitoring quantum technology development use the platform to assess national competitive positioning, identify gaps in domestic capabilities, and inform funding priorities. The geographic distribution data supports understanding of global quantum leadership.
Job Seekers
Professionals looking to enter or advance within the quantum industry use Quantum Navigator to identify hiring companies, understand which regions have the most opportunities, and research potential employers before applying.
Data and Methodology
Quantum Navigator’s database is curated from multiple sources including company announcements, funding disclosures, academic publications, and industry news. Each company profile includes:
- Company overview and founding information
- Technology focus and qubit type (where applicable)
- Geographic location and headquarters
- Funding history and investment details
- Recent developments and milestones
- Related companies and investor connections
The database is regularly updated as new companies emerge, funding rounds close, and technology developments occur. Users should note that while every effort is made to maintain accuracy, the rapidly evolving quantum industry means some information may become outdated between updates.
Part of the Quantum Zeitgeist Network
Quantum Navigator is part of the Quantum Zeitgeist network of quantum computing resources. Since 2018, Quantum Zeitgeist has been providing news, analysis, and educational content about quantum technologies. The database that powers Quantum Navigator has grown from the years of industry coverage, company tracking, and ecosystem mapping conducted by the Quantum Zeitgeist editorial team.
Readers who want to stay current with quantum computing developments can subscribe to the Quantum Zeitgeist newsletter, which delivers weekly insights to over 5,000 quantum computing professionals.
Getting Started with Quantum Navigator
Quantum Navigator is freely accessible at entangledfuture.com. The platform requires no registration to browse companies, view the map, or explore investment data. Users can:
- Search Companies: Use the directory to filter by country, category, or keyword
- Explore the Map: Visualize the global quantum ecosystem geographically
- Track Investments: Monitor funding rounds and public company valuations
- Find New Startups: Browse companies founded in 2024-2025
- Compare Companies: Evaluate multiple companies side by side
- Research VCs: Identify active quantum investors
Summary
As quantum technology transitions from laboratory curiosity to commercial reality, understanding the companies driving this transformation becomes increasingly important. Quantum Navigator provides an essential tool for anyone seeking to navigate this complex and rapidly evolving landscape—whether you’re investing in quantum, building quantum technology, researching the field, or simply curious about the companies shaping the future of computing.
Start exploring the quantum universe today at entangledfuture.com.