MatriQ

Atom Computing, founded in 2018 in Berkeley, USA, develops large-scale fault-tolerant quantum computers based on arrays of neutral atoms held in optical traps, serving enterprises, governments, and research institutions to address the challenges of quantum computing scalability and error correction.

Series C · $300M · 2026-06

QuEra Computing, founded in 2017 in Boston, USA, provides 256-qubit quantum computers via cloud services and on-site installations.

Undisclosed · $230M · 2025-02

Quantum Circuits, founded in 2015 in New Haven, Connecticut, USA, builds superconducting quantum computers that perform quantum computation by cooling circuits to near absolute zero.

Series B · $60M · 2024-08

Taichi Quantum (太一量生) was founded in 2026 in Shanghai, China, as a general-purpose quantum computing platform provider focused on the neutral-atom quantum computing approach.

Undisclosed · $56M · 2026-10

Beijing Zhongke Guoguang Quantum Technology Co., Ltd. (Guoguang Quantum) was founded in 2021 by a doctoral team from the University of Science and Technology of China and is headquartered in Beijing. It is China's first optical quantum chip provider, spanning quantum communication, quantum precision measurement and quantum computing with a full hardware-software stack (photonic chips, single-photon detector arrays, quantum operating systems), holding nearly 30 granted invention patents and deployed in government, defense, power, energy and financial sectors.

Series A · 2026-08

Bose Quantum, founded in 2020 in Beijing, China, develops and manufactures quantum computer products based on coherent optical quantum technology.

Series B · $347M · 2026-03

Rotonium is an Italian deep-tech startup founded in 2022 and operationally based in Padova, incubated at Le Village by CA Triveneto. It develops a room-temperature, silicon-photonics quantum computer based on single-photon qudits and the orbital angular momentum of light, targeting edge, mobile, cloud and space deployment.

$1M

Quobly, founded in 2022 in Grenoble, France, designs quantum chips based on silicon spin qubits, with plans to manufacture through STMicroelectronics and deliver its first commercial quantum computer by end of 2026.

Series A · $180M · 2026-06

Alice & Bob, founded in 2020 in Paris, develops quantum computers for applications in cryptography, materials science, and drug discovery.

Series B · $104M · 2025-02

Pasqal is a French neutral-atom quantum computing company delivering commercial-grade quantum processing units (QPUs) with a full-stack hardware + cloud + software approach. It has seven QPUs in operation and three on the production line, supporting 25+ commercial and research applications for energy, financial services and materials science customers across North America, Europe, the Middle East and Asia; its QPUs are positioned as accelerators embedded in HPC/AI workflows.

IPO · $300M · 2026-08

Quantum Machines, founded in 2018 in Tel Aviv, develops advanced control systems for quantum computers.

Series C · $170M · 2025-03

Quantum Art, founded in 2022 in Ness Ziona, Israel, develops quantum computing systems based on a multi-core trapped-ion architecture.

Series A · $164M · 2026-05