About Quantum Navigator

The World’s Most Comprehensive Directory of Quantum Companies

Quantum Navigator is the leading directory of quantum companies worldwide, featuring 943 quantum computing companies and quantum technology companies across 48 countries and 124 industry categories. Our mission is to map the rapidly evolving quantum technology ecosystem and make it accessible to researchers, investors, policymakers, students, and quantum enthusiasts exploring the quantum companies landscape.

What We Offer

🗺️ Comprehensive Quantum Companies Directory

Browse and search 943 quantum companies worldwide, including leading quantum computing companies and quantum technology companies:

• Quantum Hardware Companies - Quantum processors, qubits, and quantum computers (IBM Quantum, Google Quantum AI, IonQ, Rigetti, D-Wave)
• Quantum Software Companies - Quantum algorithms, SDKs, and development platforms
• Quantum Cloud Companies - Cloud quantum computing platforms (Azure Quantum, Amazon Braket, IBM Quantum Network)
• Quantum Security Companies - QKD, post-quantum cryptography, quantum-safe encryption
• Quantum Sensing Companies - Atomic clocks, magnetometers, inertial navigation systems
• Quantum Communications Companies - Quantum networks and satellite QKD
• Supporting Infrastructure Companies - Control systems, cryogenics, quantum components

📊 Investment Tracking

Follow quantum technology funding with our Investment Tracker:

• Venture capital rounds (Seed, Series A-E)
• Corporate investments and strategic partnerships
• Government funding programs
• SPACs and public market listings

📈 Public Quantum Companies

Track publicly traded quantum companies - quantum computing companies listed on NYSE, NASDAQ, and international exchanges:

• IonQ (NYSE: IONQ) - Trapped-ion quantum computing company
• Rigetti Computing (NASDAQ: RGTI) - Superconducting quantum computing company
• D-Wave Quantum (NYSE: QBTS) - Quantum annealing company
• Arqit Quantum (NASDAQ: ARQQ) - Quantum encryption company
• QuantumCTek (Shanghai: 688027) - Chinese quantum communication company

📚 Educational Resources

Learn quantum computing fundamentals through our educational content:

• Quantum Glossary - 250+ terms defined
• Quantum Dictionary - 45 in-depth technical entries
• Quantum Concepts - Tutorial explanations with mathematics

Topics covered: Superposition, Entanglement, Quantum Gates, Measurement, Decoherence, Algorithms, Error Correction, and more.

Our Story

Built by Quantum Zeitgeist

Quantum Navigator is developed and maintained by Quantum Zeitgeist, a leading source for quantum computing news, analysis, and industry insights.

Quantum Zeitgeist was founded to make quantum technology accessible and understandable to a broad audience, bridging the gap between cutting-edge research and practical applications. Our team combines deep technical expertise in quantum physics and computing with journalism, business analysis, and web development skills.

Why We Created Quantum Navigator

The quantum technology industry is growing explosively, with hundreds of quantum companies, quantum startups, corporate quantum initiatives, and research programs emerging worldwide. However, finding and comparing quantum companies was difficult - information was scattered across news articles, press releases, LinkedIn pages, and academic publications.

We built Quantum Navigator to solve this problem by creating a centralized, searchable, and continuously updated directory of quantum companies. Our goal is to help:

• Investors discover quantum companies, quantum startups, and track quantum technology funding trends
• Job seekers find quantum companies hiring in their region or specialty
• Researchers identify quantum technology companies as potential collaborators and technology providers
• Students explore career paths in quantum companies and the quantum technology industry
• Policymakers understand the quantum companies landscape and quantum industry ecosystem
• Business leaders evaluate quantum companies and quantum solutions for their organizations
• Journalists research quantum companies, verify company information, and track quantum industry trends

Our Methodology

Data Collection

Company information comes from multiple sources:

• Official company websites and press releases
• Regulatory filings (SEC, stock exchange disclosures)
• Verified news articles from reputable publications
• Academic publications and conference proceedings
• Direct outreach to companies
• Government quantum programs and grants databases

Verification Process

We prioritize accuracy and credibility:

• Cross-reference information across multiple sources
• Verify funding amounts through official announcements
• Update company status regularly (active, acquired, ceased operations)
• Link to primary sources where possible
• Clearly distinguish between quantum-focused companies and large tech companies with quantum divisions

Update Frequency

Our database is updated weekly with:

• New company additions
• Funding round announcements
• Acquisitions and partnerships
• Product launches and technical milestones
• Changes in company status or leadership

Coverage Statistics

By the Numbers

• 943 Quantum Companies - Quantum computing companies and quantum technology companies worldwide
• 47 Countries - Global geographic distribution of quantum companies
• 124 Categories - Comprehensive quantum company taxonomy
• 6 Public Quantum Companies - NYSE, NASDAQ, Shanghai exchanges
• 60+ Investment Records - Tracked quantum company funding rounds
• $10B+ - Total funding tracked across quantum companies ecosystem

Geographic Distribution

Top 5 Countries for Quantum Companies:

1. USA - 268 quantum companies (28.6%) - Leading quantum hardware companies, quantum software companies, and quantum cloud platforms
2. Germany - 79 quantum companies (8.4%) - European quantum computing companies leadership hub
3. UK - 73 quantum companies (7.8%) with strong quantum research commercialization (UK Quantum Companies)
4. Canada - 60 quantum companies (6.4%) - Home to D-Wave and emerging quantum technology companies
5. Japan - 56 quantum companies (6.0%) - Rapid quantum technology development and quantum sensing

Other Regions:

• Europe: Netherlands, Switzerland, France, Austria, Finland, Denmark, Sweden, Spain, Italy
• Asia-Pacific: Japan, South Korea, Australia, Singapore, India
• Rest of World: Israel, Brazil, Poland, Estonia, Norway, Russia

Category Breakdown

Core Technology (Hardware & Software):

• Quantum Processors
• Quantum Cloud Platforms
• Quantum Software & Algorithms
• Quantum Control Systems

Applications:

• Quantum Sensing & Metrology
• Quantum Communications
• Quantum Security & Cryptography

Industry Verticals:

• Quantum Finance
• Quantum Pharma & Chemistry
• Quantum Materials Science
• Quantum Defense & Aerospace

Ecosystem:

• Components & Infrastructure
• Quantum Research Institutions
• Quantum Education & Training
• Quantum Consulting Services

Data Accuracy & Disclaimer

Our Commitment

We strive for accuracy and completeness but acknowledge limitations:

• Quantum technology evolves rapidly - information may become outdated
• Some companies are secretive about technical capabilities and funding
• Distinctions between research projects and commercial products can be unclear
• “Quantum” claims vary in substance - we include companies working on genuine quantum technologies

Disclaimer

All material, including information from or attributed to Quantum Zeitgeist or individual authors, has been obtained from sources believed to be accurate as of the date of publication. However, Quantum Zeitgeist makes no warranty of the accuracy or completeness of the information and assumes no responsibility for its accuracy, efficacy, or use.

Any information obtained from third parties has not been independently reviewed for accuracy. This directory is for informational purposes only and does not constitute investment advice, legal advice, or endorsement of any company or technology.

Always conduct your own due diligence before making business, investment, or career decisions based on information in this directory.

Contributing & Feedback

Report Errors or Suggest Additions

We welcome community input to improve Quantum Navigator:

Missing Company? - If you know of a quantum company not in our directory, please submit details through our Contact page.

Incorrect Information? - If you notice outdated or inaccurate data, please let us know with source links.

Company Updates? - Companies can submit updates about funding rounds, product launches, or other milestones.

Technical Issues? - Report bugs, broken links, or usability problems.

Inclusion Criteria

To be listed in Quantum Navigator, a company should:

• Develop or provide quantum technology - Hardware, software, services, or applications
• Have a genuine quantum focus - Not just research or exploration by a large tech company
• Be verifiably active - Public website, recent activity, or credible references
• Provide quantum-specific products/services - Not just general tech consulting

We exclude:

• Academic labs without commercialization efforts (unless exceptionally significant)
• Individual consultants (we list companies/organizations)
• Defunct or inactive companies (we note closures but may retain for historical context)
• Companies making unsubstantiated “quantum” claims

Technology Stack

Quantum Navigator is built with modern web technologies:

• Hugo - Static site generator for fast, secure performance
• Firebase Hosting - Global CDN delivery via quantum.org.uk and quantumnnav.web.app
• JavaScript - Interactive filtering, search, and visualization
• JSON - Structured company data for programmatic access
• Schema.org - Rich structured data for search engines
• Mobile-First Design - Responsive interface for all devices

Team

Quantum Navigator is developed by the Quantum Zeitgeist editorial and technology team, combining expertise in:

• Quantum physics and quantum computing
• Technology journalism and industry analysis
• Web development and data engineering
• Business intelligence and market research

Contact & Connect

• Website: https://quantum.org.uk
• Parent Site: Quantum Zeitgeist
• Twitter: @quantumzeitgeist
• LinkedIn: Quantum Zeitgeist
• Contact Form: /contact/

Future Roadmap

We’re continuously improving Quantum Navigator with planned features including:

Short-Term:

• Enhanced search and filtering
• Company comparison tools
• Export functionality (CSV, JSON)
• Blog/news section for industry updates

Long-Term:

• Public API for developers
• Interactive market analysis charts
• Jobs board for quantum careers
• Events calendar for conferences and webinars
• Community features (comments, discussions)
• Multi-language support

Thank you for using Quantum Navigator!

We hope this resource helps you navigate the exciting and rapidly evolving world of quantum technology.

Last updated: October 2025