Top list · Worldwide
Quantum computing startups worldwide
60 quantum computing startups worldwide have raised money in rounds we track. These are the 50 that have raised the most, $8.9B between them, with the United States the most common home.
- 1
PsiQuantumPsiQuantum develops quantum computer using photonic qubits and silicon photonics to build fault-tolerant quantum computing systems.PsiQuantum develops quantum computer using photonic qubits and silicon photonics to build fault-tolerant quantum computing systems.
Founded -Palo Alto, United States$2.1Blast round Jul 2026 - 2
Multiverse ComputingMultiverse Computing is a leading quantum AI software company based in San Sebastián, Spain, with additional offices in Canada, the UK, France, Germany, Italy, Multiverse Computing is a leading quantum AI software company based in San Sebastián, Spain, with additional offices in Canada, the UK, France, Germany, Italy,
Founded 2019San Sebastian, Spain$785Mlast round Jul 2026 - 3
OratomicOratomic is a quantum computing startup based in Pasadena, California, founded on March 31, 2026.Oratomic is a quantum computing startup based in Pasadena, California, founded on March 31, 2026.
Founded -South Pasadena, United States$775Mlast round Oct 2026 - 4
QuantinuumQuantinuum accelerates quantum computing and the development of applications across chemistry, cybersecurity, finance, and optimization.Quantinuum accelerates quantum computing and the development of applications across chemistry, cybersecurity, finance, and optimization.
Founded 2021Broomfield, United States$700Mlast round Sept 2026 - 5SandboxAQFounded -United States$650Mlast round Jun 2026
- 6
Oxford Quantum CircuitsOxford Quantum Circuits develops quantum computers designed for breakthrough discoveries.Oxford Quantum Circuits develops quantum computers designed for breakthrough discoveries.
Founded 2017United Kingdom$453Mlast round Jun 2026 - 7IQMFounded -Finland$390Mlast round Mar 2026
- 8Q-CTRLFounded -Australia$364Mlast round Nov 2026
- 9
QuEra ComputingQuEra Computing is a neutral-atoms-based quantum computing startup, located in Boston, near Harvard University.QuEra Computing is a neutral-atoms-based quantum computing startup, located in Boston, near Harvard University.
Founded 2018Boston, United States$230Mlast round Feb 2025 - 10
Quantum MotionQuantum Motion is a quantum computing company focused on building full-stack, utility-scale quantum computers using 300mm CMOS silicon technology.Quantum Motion is a quantum computing company focused on building full-stack, utility-scale quantum computers using 300mm CMOS silicon technology.
Founded 2017London, United Kingdom$211Mlast round May 2026 - 11
QuantWareQuantWare is a quantum computing hardware company based in Delft, Netherlands.QuantWare is a quantum computing hardware company based in Delft, Netherlands.
Founded 2020Delft, Netherlands$209Mlast round May 2026 - 12
QuantumDiamondsQuantum Diamonds provides described nitrogen-vacancy (NV) diamonds for quantum sensing to industrial and academic customers.Quantum Diamonds provides described nitrogen-vacancy (NV) diamonds for quantum sensing to industrial and academic customers.
Founded 2022Munich, Germany$201Mlast round Jul 2026 - 13
Atom ComputingAtom Computing is a quantum computing company based in Berkeley, California, with a commercial facility in Boulder, Colorado.Atom Computing is a quantum computing company based in Berkeley, California, with a commercial facility in Boulder, Colorado.
Founded 2018Berkeley, United States$200Mlast round Nov 2026 - 14
QuoblyQuobly is a French quantum computing company founded in 2022 in Grenoble, known for its innovative approach to quantum technology.Quobly is a French quantum computing company founded in 2022 in Grenoble, known for its innovative approach to quantum technology.
Founded 2022Grenoble, France$151Mlast round Jun 2026 - 15
QBosonQBoson is a leading deep-tech company dedicated to the development and commercialization of quantum computing, both scalable CIM and gate-model systems.QBoson is a leading deep-tech company dedicated to the development and commercialization of quantum computing, both scalable CIM and gate-model systems.
Founded 2020China$145Mlast round Apr 2026 - 16Quantum ArtFounded -United States$108Mlast round Dec 2025
- 17
Nu QuantumNu Quantum is a quantum technology company founded in 2018 as a spin-out from the University of Cambridge's Cavendish Laboratory.Nu Quantum is a quantum technology company founded in 2018 as a spin-out from the University of Cambridge's Cavendish Laboratory.
Founded 2018Cambridge, United Kingdom$106Mlast round Dec 2025 - 18
Alice & BobAlice&Bob build Universal, Error-free, Quantum Computers to help industries and researchers solve the hardest problems.Alice&Bob build Universal, Error-free, Quantum Computers to help industries and researchers solve the hardest problems.
Founded 2020Paris, France$104Mlast round May 2026 - 19D-WaveFounded -United States$100Mlast round Nov 2026
- 20
DiraqDiraq is a Sydney-based quantum computing company founded in 2022 as a spin-out from UNSW Sydney.Diraq is a Sydney-based quantum computing company founded in 2022 as a spin-out from UNSW Sydney.
Founded 2022Sydney, Australia$67Mlast round May 2026 - 21
EleQtroneleQtron GmbH, founded in 2020, is a pioneering German start-up focused on developing and operating trapped-ion quantum computers.eleQtron GmbH, founded in 2020, is a pioneering German start-up focused on developing and operating trapped-ion quantum computers.
Founded 2020Siegen, Germany$67Mlast round Jun 2026 - 22
Silicon Quantum ComputingTo advance the development and commercialisation.To advance the development and commercialisation.
Founded 2017Sydney, Australia$64Mlast round Mar 2026 - 23
Rigetti ComputingRigetti Computing is a quantum computing company that builds and deploys full-stack quantum systems with superconducting qubits.Rigetti Computing is a quantum computing company that builds and deploys full-stack quantum systems with superconducting qubits.
Founded 2013Berkeley, United States$64Mlast round Jun 2025 - 24
Nord QuantiqueNord Quantique is a Canadian startup based in Sherbrooke, Quebec, focused on developing fault-tolerant quantum computers.Nord Quantique is a Canadian startup based in Sherbrooke, Quebec, focused on developing fault-tolerant quantum computers.
Founded 2020Sherbrooke, Canada$57Mlast round Oct 2026 - 25NVisionFounded -Germany$55Mlast round May 2026
- 26
Monarch QuantumMonarch Quantum, Inc.Monarch Quantum, Inc.
Founded 2025San Diego, United States$55Mlast round Apr 2026 - 27
QolabQolab is a quantum hardware company based in Los Angeles, California, with research activities in Madison, Wisconsin.Qolab is a quantum hardware company based in Los Angeles, California, with research activities in Madison, Wisconsin.
Founded 2022Los Angeles, United States$54Mlast round Jul 2026 - 28
PhasecraftPhasecraft is a quantum computing software developer.Phasecraft is a quantum computing software developer.
Founded 2018London, United Kingdom$51Mlast round Sept 2025 - 29SEEQCFounded -United States$49Mlast round Jan 2026
- 30
Groove QuantumGroove Quantum is a quantum hardware company based in Delft, Netherlands, founded in 2024 as a spinout from QuTech at TU Delft.Groove Quantum is a quantum hardware company based in Delft, Netherlands, founded in 2024 as a spinout from QuTech at TU Delft.
Founded 2024Delft, Netherlands$32Mlast round Apr 2026 - 31
Orange Quantum SystemsOrange Quantum Systems (OrangeQSTM) is a Dutch startup based in Delft, specializing in automated test equipment and protocols for assessing quantum chip performance.Orange Quantum Systems (OrangeQSTM) is a Dutch startup based in Delft, specializing in automated test equipment and protocols for assessing quantum chip performance.
Founded 2020Delft, Netherlands$32Mlast round Apr 2026 - 32
ZuriQZuriQ is a Swiss deep-tech startup focused on developing scalable, fault-tolerant quantum computers.ZuriQ is a Swiss deep-tech startup focused on developing scalable, fault-tolerant quantum computers.
Founded 2024Zurich, Switzerland$30Mlast round Jul 2026 - 33QutwoFounded -Finland$29Mlast round May 2026
- 34
QNu LabsQNu Labs is a deep-tech cybersecurity company based in Bengaluru, India, founded in 2016.QNu Labs is a deep-tech cybersecurity company based in Bengaluru, India, founded in 2016.
Founded 2016Bengaluru, India$28Mlast round Sept 2026 - 35
Mesa QuantumMesa Quantum is a semiconductor company based in Boulder, Colorado, founded in 2023.Mesa Quantum is a semiconductor company based in Boulder, Colorado, founded in 2023.
Founded 2023Bonita Springs, United States$23Mlast round Sept 2026 - 36AliroFounded -United States$18Mlast round Feb 2026
- 37
QuanscientQuanscient is a Finnish technology company based in Tampere, founded in 2021.Quanscient is a Finnish technology company based in Tampere, founded in 2021.
Founded 2021Tampere, Finland$17Mlast round May 2026 - 38
ColdQuantaCold Quanta works in Cold Atom Quantum Technology, the most scalable, versatile, and commercially viable application of quantum.Cold Quanta works in Cold Atom Quantum Technology, the most scalable, versatile, and commercially viable application of quantum.
Founded 2007Boulder, United States$17Mlast round Nov 2020 - 39
AtomionicsAtomionics is a Singapore-based deep tech startup founded in 2018, specializing in the development of quantum-grade sensors for subsurface exploration and univeAtomionics is a Singapore-based deep tech startup founded in 2018, specializing in the development of quantum-grade sensors for subsurface exploration and unive
Founded 2018Singapore, Australia$13Mlast round Sept 2025 - 40
memQmemQ is a Chicago-based quantum technology company focused on scalable, distributed quantum computing.memQ is a Chicago-based quantum technology company focused on scalable, distributed quantum computing.
Founded 2022Chicago, United States$13Mlast round Apr 2026 - 41
QuanfluenceQuanfluence is a Bengaluru-based deep-tech startup founded in 2021, specializing in photonic quantum computing systems and quantum-inspired optimization solutions.Quanfluence is a Bengaluru-based deep-tech startup founded in 2021, specializing in photonic quantum computing systems and quantum-inspired optimization solutions.
Founded 2021Bengaluru, India$12Mlast round Oct 2026 - 42
BlueQubitBlueQubit is a quantum software platform that offers software library for enterprise, defense, and academic customers.BlueQubit is a quantum software platform that offers software library for enterprise, defense, and academic customers.
Founded -Los Angeles, United States$12Mlast round Jul 2026 - 43
LuxQuantaBringing quantum-safe cryptography to the Telecommunication industryBringing quantum-safe cryptography to the Telecommunication industry
Founded 2021Barcelona, Spain$10Mlast round Apr 2026 - 44
QuintQuint is a B2B marketing agency focused on designing, building, and managing strategic programs.Quint is a B2B marketing agency focused on designing, building, and managing strategic programs.
Founded 2016Germany$10Mlast round Nov 2026 - 45Quantum IndustriesQuantum Industries specializes in cutting-edge quantum cryptography, particularly Quantum Key Distribution (QKD) technology.
Quantum Industries specializes in cutting-edge quantum cryptography, particularly Quantum Key Distribution (QKD) technology.
Founded -Austria$10Mlast round Mar 2025 - 46
Quantum CyberQuantum Cyber develops autonomous defense systems, counter-drone technologies, and AI-enabled security platforms.Quantum Cyber develops autonomous defense systems, counter-drone technologies, and AI-enabled security platforms.
Founded -West Palm Beach, Netherlands$8.0Mlast round Nov 2026 - 47
DeteQtDeteqt is a Sydney-based startup focused on quantum sensing, founded in 2023 as a spinout from the University of Sydney’s Nano Institute.Deteqt is a Sydney-based startup focused on quantum sensing, founded in 2023 as a spinout from the University of Sydney’s Nano Institute.
Founded 2023Sydney, Australia$5.8Mlast round Apr 2026 - 48
QuantX LabsQuantX Labs is an Australian deep-tech company founded in 2016 and based in Adelaide.QuantX Labs is an Australian deep-tech company founded in 2016 and based in Adelaide.
Founded 2016Adelaide, Australia$5.0Mlast round Jun 2026 - 49
Photon QueuePhoton Queue is a quantum hardware startup founded in 2025, emerging from the University of Illinois Urbana-Champaign.Photon Queue is a quantum hardware startup founded in 2025, emerging from the University of Illinois Urbana-Champaign.
Founded 2025Champaign, United States$4.0Mlast round Jul 2026 - 50
QuantagoniaQuantagonia is a quantum software company offering hybrid quantum-classical solutions in ML/AI, optimization and simulation.Quantagonia is a quantum software company offering hybrid quantum-classical solutions in ML/AI, optimization and simulation.
Founded 2021Frankfurt, Germany$3.9Mlast round Jul 2023
Palo Alto, United States
San Sebastian, Spain
United Kingdom
Finland
Australia
Delft, Netherlands
Munich, Germany
Grenoble, France
China
Sherbrooke, Canada
Zurich, Switzerland
Bengaluru, India
AustriaCompanies whose funding rounds we classed as this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.
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