QUANTUM TECH COMPANIES
Discover the leading companies advancing quantum computing, quantum sensing, and quantum communications across the globe
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| Rank | Company | Quantum Focus | Location | Size | Careers |
|---|---|---|---|---|---|
| #1 |  IBM | Leading quantum computing research with IBM Quantum Network | Armonk, NY, USA | Enterprise 345,000+ | Careers |
| #2 |  Google (Alphabet) | Quantum AI division working on quantum supremacy | Mountain View, CA, USA | Enterprise 190,000+ | Careers |
| #3 |  Microsoft | Azure Quantum cloud platform and topological qubits | Redmond, WA, USA | Enterprise 220,000+ | Careers |
| #4 |  IonQ | Trapped ion quantum computing systems | College Park, MD, USA | Growth 150-200 | Careers |
| #5 |  Rigetti Computing | Superconducting quantum processors and cloud services | Berkeley, CA, USA | Growth 100-150 | Careers |
| #6 |  D-Wave Systems | Quantum annealing systems and applications | Burnaby, BC, Canada | Growth 200-250 | Careers |
| #7 |  Honeywell Quantum Solutions | Trapped-ion quantum computing technology | Charlotte, NC, USA | Enterprise 103,000+ | Careers |
| #8 |  Intel | Silicon spin qubits and quantum computing research | Santa Clara, CA, USA | Enterprise 131,000+ | Careers |
| #9 |  Amazon (AWS) | Amazon Braket quantum computing service | Seattle, WA, USA | Enterprise 1,500,000+ | Careers |
| #10 |  Xanadu | Photonic quantum computing and PennyLane software | Toronto, ON, Canada | Growth 150-200 | Careers |
| #11 |  PsiQuantum | Photonic quantum computing at scale | Palo Alto, CA, USA | Growth 200-300 | Careers |
| #12 |  Quantinuum | Trapped-ion quantum computing (Honeywell + Cambridge Quantum) | Broomfield, CO, USA | Growth 400-500 | Careers |
| #13 |  Atom Computing | Neutral atom quantum computing systems | Berkeley, CA, USA | Startup 50-100 | Careers |
| #14 |  QuEra Computing | Neutral atom quantum processors | Boston, MA, USA | Startup 30-50 | Careers |
| #15 |  Pasqal | Neutral atom quantum computing platform | Paris, France | Startup 80-120 | Careers |
| #16 |  Oxford Quantum Computing | Electronic quantum computing technology | Oxford, UK | Startup 40-60 | Careers |
| #17 |  Atos | Quantum Learning Machine and quantum simulation | Bezons, France | Enterprise 105,000+ | Careers |
| #18 |  Roche | Quantum computing applications in drug discovery | Basel, Switzerland | Enterprise 101,000+ | Careers |
| #19 |  Bosch | Quantum sensing and quantum computing research | Stuttgart, Germany | Enterprise 421,000+ | Careers |
| #20 |  Alibaba | Quantum computing research and cloud services | Hangzhou, China | Enterprise 245,000+ | Careers |
| #21 |  Baidu | Quantum computing platform and research | Beijing, China | Large 38,000+ | Careers |
| #22 |  Tencent | Quantum computing lab and applications | Shenzhen, China | Enterprise 116,000+ | Careers |
| #23 |  NTT | Quantum computing and quantum communications | Tokyo, Japan | Enterprise 330,000+ | Careers |
| #24 |  Fujitsu | Quantum computing research and digital annealer | Tokyo, Japan | Enterprise 124,000+ | Careers |
| #25 |  Hitachi | Quantum computing and CMOS annealing | Tokyo, Japan | Enterprise 368,000+ | Careers |
| #26 |  Samsung | Quantum computing research and development | Seoul, South Korea | Enterprise 267,000+ | Careers |
| #27 |  SK Telecom | Quantum cryptography and quantum ID | Seoul, South Korea | Large 33,000+ | Careers |
| #28 |  Airbus | Quantum computing applications in aerospace | Toulouse, France | Enterprise 134,000+ | Careers |
| #29 |  Volkswagen | Quantum computing for traffic optimization | Wolfsburg, Germany | Enterprise 672,000+ | Careers |
| #30 |  BMW | Quantum computing research partnerships | Munich, Germany | Enterprise 118,000+ | Careers |
| #31 |  JPMorgan Chase | Quantum computing for financial applications | New York, NY, USA | Enterprise 293,000+ | Careers |
| #32 |  Goldman Sachs | Quantum computing research in finance | New York, NY, USA | Large 49,000+ | Careers |
| #33 |  Wells Fargo | Quantum computing applications in banking | San Francisco, CA, USA | Enterprise 238,000+ | Careers |
| #34 |  Lockheed Martin | Quantum computing for defense applications | Bethesda, MD, USA | Enterprise 116,000+ | Careers |
| #35 |  Raytheon | Quantum technologies for defense | Waltham, MA, USA | Enterprise 185,000+ | Careers |
| #36 |  Northrop Grumman | Quantum computing and sensing technologies | Falls Church, VA, USA | Enterprise 95,000+ | Careers |
| #37 |  Cambridge Quantum Computing | Quantum software and applications (now part of Quantinuum) | Cambridge, UK | Growth 100-150 | Careers |
| #38 |  Menten AI | Quantum-enhanced protein design | San Francisco, CA, USA | Startup 20-30 | Careers |
| #39 | ProteinQure | Quantum molecular simulations for drug discovery | Toronto, ON, Canada | Startup 30-50 | Careers |
| #40 |  Rahko | Quantum machine learning for drug discovery | London, UK | Startup 15-25 | Careers |
| #41 |  Strangeworks | Quantum computing platform and ecosystem | Austin, TX, USA | Startup 25-40 | Careers |
| #42 |  Zapata Computing | Quantum software and applications | Boston, MA, USA | Startup 50-75 | Careers |
| #43 |  1QBit | Quantum software for computational finance | Vancouver, BC, Canada | Startup 40-60 | Careers |
| #44 |  QC Ware | Quantum algorithms and software | Palo Alto, CA, USA | Startup 30-50 | Careers |
| #45 |  Multiverse Computing | Quantum software for finance and optimization | San Sebastian, Spain | Startup 60-80 | Careers |
| #46 |  Rahko | AI and quantum computing for drug discovery | London, UK | Startup 15-25 | Careers |
| #47 |  Alpine Quantum Technologies | Trapped-ion quantum computing systems | Innsbruck, Austria | Startup 25-40 | Careers |
| #48 |  Universal Quantum | Trapped-ion quantum computing technology | Brighton, UK | Startup 30-50 | Careers |
| #49 |  Quantum Brilliance | Diamond NV quantum computing systems | Canberra, Australia | Startup 40-60 | Careers |
| #50 |  Silicon Quantum Computing | Silicon-based quantum computing technology | Sydney, Australia | Startup 50-75 | Careers |
Quantum Intelligence Report
Rankings based on quantum technology investment, research output, patent portfolios, and market presence. Company sizes reflect total employees with quantum divisions highlighted. Career links lead directly to quantum-specific opportunities.
Enterprise (10K+ employees)
Large (1K-10K employees)
Growth (100-1K employees)
Startup (<100 employees)