# Top 50 Quantum Computing Startups Worldwide by Funding (2026) > The 50 best-funded quantum computing startups worldwide, ranked by total funding raised: $8.9B combined. Source: https://millionrounds.com/top-lists/quantum-computing-startups (Millionrounds; every figure on the page links to its filing or article) - 1 [**PsiQuantum** PsiQuantum develops quantum computer using photonic qubits and silicon photonics to build fault-tolerant quantum computing systems.](https://millionrounds.com/company/psiquantum) PsiQuantum develops quantum computer using photonic qubits and silicon photonics to build fault-tolerant quantum computing systems. *Founded* - Palo Alto, United States **$2.1B** last round Jul 2026 - 2 [**Multiverse Computing** Multiverse Computing is a leading quantum AI software company based in San Sebastián, Spain, with additional offices in Canada, the UK, France, Germany, Italy,](https://millionrounds.com/company/multiverse-computing) 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* 2019 San Sebastian, Spain **$785M** last round Jul 2026 - 3 [**Oratomic** Oratomic is a quantum computing startup based in Pasadena, California, founded on March 31, 2026.](https://millionrounds.com/company/oratomic) Oratomic is a quantum computing startup based in Pasadena, California, founded on March 31, 2026. *Founded* - South Pasadena, United States **$775M** last round Oct 2026 - 4 [**Quantinuum** Quantinuum accelerates quantum computing and the development of applications across chemistry, cybersecurity, finance, and optimization.](https://millionrounds.com/company/quantinuum) Quantinuum accelerates quantum computing and the development of applications across chemistry, cybersecurity, finance, and optimization. *Founded* 2021 Broomfield, United States **$700M** last round Sept 2026 - 5 [**SandboxAQ**](https://millionrounds.com/company/sandboxaq) *Founded* - United States **$650M** last round Jun 2026 - 6 [**Oxford Quantum Circuits** Oxford Quantum Circuits develops quantum computers designed for breakthrough discoveries.](https://millionrounds.com/company/oxford-quantum-circuits) Oxford Quantum Circuits develops quantum computers designed for breakthrough discoveries. *Founded* 2017 United Kingdom **$453M** last round Jun 2026 - 7 [**IQM**](https://millionrounds.com/company/iqm) *Founded* - Finland **$390M** last round Mar 2026 - 8 [**Q-CTRL**](https://millionrounds.com/company/q-ctrl) *Founded* - Australia **$364M** last round Nov 2026 - 9 [**QuEra Computing** QuEra Computing is a neutral-atoms-based quantum computing startup, located in Boston, near Harvard University.](https://millionrounds.com/company/quera-computing) QuEra Computing is a neutral-atoms-based quantum computing startup, located in Boston, near Harvard University. *Founded* 2018 Boston, United States **$230M** last round Feb 2025 - 10 [**Quantum Motion** Quantum Motion is a quantum computing company focused on building full-stack, utility-scale quantum computers using 300mm CMOS silicon technology.](https://millionrounds.com/company/quantum-motion) Quantum Motion is a quantum computing company focused on building full-stack, utility-scale quantum computers using 300mm CMOS silicon technology. *Founded* 2017 London, United Kingdom **$211M** last round May 2026 - 11 [**QuantWare** QuantWare is a quantum computing hardware company based in Delft, Netherlands.](https://millionrounds.com/company/quantware) QuantWare is a quantum computing hardware company based in Delft, Netherlands. *Founded* 2020 Delft, Netherlands **$209M** last round May 2026 - 12 [**QuantumDiamonds** Quantum Diamonds provides described nitrogen-vacancy (NV) diamonds for quantum sensing to industrial and academic customers.](https://millionrounds.com/company/quantumdiamonds) Quantum Diamonds provides described nitrogen-vacancy (NV) diamonds for quantum sensing to industrial and academic customers. *Founded* 2022 Munich, Germany **$201M** last round Jul 2026 - 13 [**Atom Computing** Atom Computing is a quantum computing company based in Berkeley, California, with a commercial facility in Boulder, Colorado.](https://millionrounds.com/company/atom-computing) Atom Computing is a quantum computing company based in Berkeley, California, with a commercial facility in Boulder, Colorado. *Founded* 2018 Berkeley, United States **$200M** last round Nov 2026 - 14 [**Quobly** Quobly is a French quantum computing company founded in 2022 in Grenoble, known for its innovative approach to quantum technology.](https://millionrounds.com/company/quobly) Quobly is a French quantum computing company founded in 2022 in Grenoble, known for its innovative approach to quantum technology. *Founded* 2022 Grenoble, France **$151M** last round Jun 2026 - 15 [**QBoson** QBoson is a leading deep-tech company dedicated to the development and commercialization of quantum computing, both scalable CIM and gate-model systems.](https://millionrounds.com/company/qboson) QBoson is a leading deep-tech company dedicated to the development and commercialization of quantum computing, both scalable CIM and gate-model systems. *Founded* 2020 China **$145M** last round Apr 2026 - 16 [**Quantum Art**](https://millionrounds.com/company/quantum-art) *Founded* - United States **$108M** last round Dec 2025 - 17 [**Nu Quantum** Nu Quantum is a quantum technology company founded in 2018 as a spin-out from the University of Cambridge's Cavendish Laboratory.](https://millionrounds.com/company/nu-quantum) Nu Quantum is a quantum technology company founded in 2018 as a spin-out from the University of Cambridge's Cavendish Laboratory. *Founded* 2018 Cambridge, United Kingdom **$106M** last round Dec 2025 - 18 [**Alice & Bob** Alice&Bob build Universal, Error-free, Quantum Computers to help industries and researchers solve the hardest problems.](https://millionrounds.com/company/alice-and-bob) Alice&Bob build Universal, Error-free, Quantum Computers to help industries and researchers solve the hardest problems. *Founded* 2020 Paris, France **$104M** last round May 2026 - 19 [**D-Wave**](https://millionrounds.com/company/d-wave) *Founded* - United States **$100M** last round Nov 2026 - 20 [**Diraq** Diraq is a Sydney-based quantum computing company founded in 2022 as a spin-out from UNSW Sydney.](https://millionrounds.com/company/diraq) Diraq is a Sydney-based quantum computing company founded in 2022 as a spin-out from UNSW Sydney. *Founded* 2022 Sydney, Australia **$67M** last round May 2026 - 21 [**EleQtron** eleQtron GmbH, founded in 2020, is a pioneering German start-up focused on developing and operating trapped-ion quantum computers.](https://millionrounds.com/company/eleqtron) eleQtron GmbH, founded in 2020, is a pioneering German start-up focused on developing and operating trapped-ion quantum computers. *Founded* 2020 Siegen, Germany **$67M** last round Jun 2026 - 22 [**Silicon Quantum Computing** To advance the development and commercialisation.](https://millionrounds.com/company/silicon-quantum-computing) To advance the development and commercialisation. *Founded* 2017 Sydney, Australia **$64M** last round Mar 2026 - 23 [**Rigetti Computing** Rigetti Computing is a quantum computing company that builds and deploys full-stack quantum systems with superconducting qubits.](https://millionrounds.com/company/rigetti-computing) Rigetti Computing is a quantum computing company that builds and deploys full-stack quantum systems with superconducting qubits. *Founded* 2013 Berkeley, United States **$64M** last round Jun 2025 - 24 [**Nord Quantique** Nord Quantique is a Canadian startup based in Sherbrooke, Quebec, focused on developing fault-tolerant quantum computers.](https://millionrounds.com/company/nord-quantique) Nord Quantique is a Canadian startup based in Sherbrooke, Quebec, focused on developing fault-tolerant quantum computers. *Founded* 2020 Sherbrooke, Canada **$57M** last round Oct 2026 - 25 [**NVision**](https://millionrounds.com/company/nvision) *Founded* - Germany **$55M** last round May 2026 - 26 [**Monarch Quantum** Monarch Quantum, Inc.](https://millionrounds.com/company/monarch-quantum) Monarch Quantum, Inc. *Founded* 2025 San Diego, United States **$55M** last round Apr 2026 - 27 [**Qolab** Qolab is a quantum hardware company based in Los Angeles, California, with research activities in Madison, Wisconsin.](https://millionrounds.com/company/qolab) Qolab is a quantum hardware company based in Los Angeles, California, with research activities in Madison, Wisconsin. *Founded* 2022 Los Angeles, United States **$54M** last round Jul 2026 - 28 [**Phasecraft** Phasecraft is a quantum computing software developer.](https://millionrounds.com/company/phasecraft) Phasecraft is a quantum computing software developer. *Founded* 2018 London, United Kingdom **$51M** last round Sept 2025 - 29 [**SEEQC**](https://millionrounds.com/company/seeqc) *Founded* - United States **$49M** last round Jan 2026 - 30 [**Groove Quantum** Groove Quantum is a quantum hardware company based in Delft, Netherlands, founded in 2024 as a spinout from QuTech at TU Delft.](https://millionrounds.com/company/groove-quantum) Groove Quantum is a quantum hardware company based in Delft, Netherlands, founded in 2024 as a spinout from QuTech at TU Delft. *Founded* 2024 Delft, Netherlands **$32M** last round Apr 2026 - 31 [**Orange Quantum Systems** Orange Quantum Systems (OrangeQSTM) is a Dutch startup based in Delft, specializing in automated test equipment and protocols for assessing quantum chip performance.](https://millionrounds.com/company/orange-quantum-systems) Orange Quantum Systems (OrangeQSTM) is a Dutch startup based in Delft, specializing in automated test equipment and protocols for assessing quantum chip performance. *Founded* 2020 Delft, Netherlands **$32M** last round Apr 2026 - 32 [**ZuriQ** ZuriQ is a Swiss deep-tech startup focused on developing scalable, fault-tolerant quantum computers.](https://millionrounds.com/company/zuriq) ZuriQ is a Swiss deep-tech startup focused on developing scalable, fault-tolerant quantum computers. *Founded* 2024 Zurich, Switzerland **$30M** last round Jul 2026 - 33 [**Qutwo**](https://millionrounds.com/company/qutwo) *Founded* - Finland **$29M** last round May 2026 - 34 [**QNu Labs** QNu Labs is a deep-tech cybersecurity company based in Bengaluru, India, founded in 2016.](https://millionrounds.com/company/qnu-labs) QNu Labs is a deep-tech cybersecurity company based in Bengaluru, India, founded in 2016. *Founded* 2016 Bengaluru, India **$28M** last round Sept 2026 - 35 [**Mesa Quantum** Mesa Quantum is a semiconductor company based in Boulder, Colorado, founded in 2023.](https://millionrounds.com/company/mesa-quantum) Mesa Quantum is a semiconductor company based in Boulder, Colorado, founded in 2023. *Founded* 2023 Bonita Springs, United States **$23M** last round Sept 2026 - 36 [**Aliro**](https://millionrounds.com/company/aliro) *Founded* - United States **$18M** last round Feb 2026 - 37 [**Quanscient** Quanscient is a Finnish technology company based in Tampere, founded in 2021.](https://millionrounds.com/company/quanscient) Quanscient is a Finnish technology company based in Tampere, founded in 2021. *Founded* 2021 Tampere, Finland **$17M** last round May 2026 - 38 [**ColdQuanta** Cold Quanta works in Cold Atom Quantum Technology, the most scalable, versatile, and commercially viable application of quantum.](https://millionrounds.com/company/coldquanta) Cold Quanta works in Cold Atom Quantum Technology, the most scalable, versatile, and commercially viable application of quantum. *Founded* 2007 Boulder, United States **$17M** last round Nov 2020 - 39 [**Atomionics** Atomionics is a Singapore-based deep tech startup founded in 2018, specializing in the development of quantum-grade sensors for subsurface exploration and unive](https://millionrounds.com/company/atomionics) Atomionics is a Singapore-based deep tech startup founded in 2018, specializing in the development of quantum-grade sensors for subsurface exploration and unive *Founded* 2018 Singapore, Australia **$13M** last round Sept 2025 - 40 [**memQ** memQ is a Chicago-based quantum technology company focused on scalable, distributed quantum computing.](https://millionrounds.com/company/memq) memQ is a Chicago-based quantum technology company focused on scalable, distributed quantum computing. *Founded* 2022 Chicago, United States **$13M** last round Apr 2026 - 41 [**Quanfluence** Quanfluence is a Bengaluru-based deep-tech startup founded in 2021, specializing in photonic quantum computing systems and quantum-inspired optimization solutions.](https://millionrounds.com/company/quanfluence) Quanfluence is a Bengaluru-based deep-tech startup founded in 2021, specializing in photonic quantum computing systems and quantum-inspired optimization solutions. *Founded* 2021 Bengaluru, India **$12M** last round Oct 2026 - 42 [**BlueQubit** BlueQubit is a quantum software platform that offers software library for enterprise, defense, and academic customers.](https://millionrounds.com/company/bluequbit) BlueQubit is a quantum software platform that offers software library for enterprise, defense, and academic customers. *Founded* - Los Angeles, United States **$12M** last round Jul 2026 - 43 [**LuxQuanta** Bringing quantum-safe cryptography to the Telecommunication industry](https://millionrounds.com/company/luxquanta) Bringing quantum-safe cryptography to the Telecommunication industry *Founded* 2021 Barcelona, Spain **$10M** last round Apr 2026 - 44 [**Quint** Quint is a B2B marketing agency focused on designing, building, and managing strategic programs.](https://millionrounds.com/company/quint) Quint is a B2B marketing agency focused on designing, building, and managing strategic programs. *Founded* 2016 Germany **$10M** last round Nov 2026 - 45 [**Quantum Industries** Quantum Industries specializes in cutting-edge quantum cryptography, particularly Quantum Key Distribution (QKD) technology.](https://millionrounds.com/company/quantum-industries) Quantum Industries specializes in cutting-edge quantum cryptography, particularly Quantum Key Distribution (QKD) technology. *Founded* - Austria **$10M** last round Mar 2025 - 46 [**Quantum Cyber** Quantum Cyber develops autonomous defense systems, counter-drone technologies, and AI-enabled security platforms.](https://millionrounds.com/company/quantum-cyber) Quantum Cyber develops autonomous defense systems, counter-drone technologies, and AI-enabled security platforms. *Founded* - West Palm Beach, Netherlands **$8.0M** last round Nov 2026 - 47 [**DeteQt** Deteqt is a Sydney-based startup focused on quantum sensing, founded in 2023 as a spinout from the University of Sydney’s Nano Institute.](https://millionrounds.com/company/deteqt) 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* 2023 Sydney, Australia **$5.8M** last round Apr 2026 - 48 [**QuantX Labs** QuantX Labs is an Australian deep-tech company founded in 2016 and based in Adelaide.](https://millionrounds.com/company/quantx-labs) QuantX Labs is an Australian deep-tech company founded in 2016 and based in Adelaide. *Founded* 2016 Adelaide, Australia **$5.0M** last round Jun 2026 - 49 [**Photon Queue** Photon Queue is a quantum hardware startup founded in 2025, emerging from the University of Illinois Urbana-Champaign.](https://millionrounds.com/company/photon-queue) Photon Queue is a quantum hardware startup founded in 2025, emerging from the University of Illinois Urbana-Champaign. *Founded* 2025 Champaign, United States **$4.0M** last round Jul 2026 - 50 [**Quantagonia** Quantagonia is a quantum software company offering hybrid quantum-classical solutions in ML/AI, optimization and simulation.](https://millionrounds.com/company/quantagonia) Quantagonia is a quantum software company offering hybrid quantum-classical solutions in ML/AI, optimization and simulation. *Founded* 2021 Frankfurt, Germany **$3.9M** last round Jul 2023 **Total funding** how the list is ranked **15 November 2026** updated nightly **Rounds we track** source: Millionrounds Companies 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. ## Who backed them? Open any company for its rounds and investors, or search the investors who back quantum computing startups worldwide in the app, with filters, lists and exports. [Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[All top lists](https://millionrounds.com/top-lists) ## More quantum computing lists [See all](https://millionrounds.com/top-lists?t=Quantum%20computing) [*MC* *OQ* *I* **Quantum computing startups in Europe** 28 companies · $3.0B](https://millionrounds.com/top-lists/quantum-computing-startups-europe) ## More lists worldwide [See all](https://millionrounds.com/top-lists?r=Global) [*GV* *V* *RP* **Health startups worldwide** 12,811 companies · $81B](https://millionrounds.com/top-lists/health-startups)[*O* *A* *X* **AI startups worldwide** 10,238 companies · $830B](https://millionrounds.com/top-lists/ai-startups)[*GV* *V* *RP* **Biotech startups worldwide** 7,127 companies · $70B](https://millionrounds.com/top-lists/biotech-startups)[*D* *B* *FT* **Big data startups worldwide** 3,812 companies · $220B](https://millionrounds.com/top-lists/big-data-startups)[*AF* *R* *S* **Fintech startups worldwide** 3,200 companies · $94B](https://millionrounds.com/top-lists/fintech-startups)[*O* *A* *B* **AI startups that raised in 2026** 2,922 companies · $540B in 2026](https://millionrounds.com/top-lists/ai-startups-raised-2026)[*FT* *CE* *P* **Energy providers startups worldwide** 2,808 companies · $152B](https://millionrounds.com/top-lists/energy-providers-startups)[*A* *P* *O* **Marketing tech startups worldwide** 2,728 companies · $28B](https://millionrounds.com/top-lists/marketing-tech-startups)