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Series A Quantum Computing Companies

Explore 29 quantum computing startups that raised series a funding. Access verified founder contact information and fundraising data.

Total Companies
29
Total Funding
$486.0M
Avg Funding
$19.4M
Cities
21

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Shinjuku, Japan
$3.7M
raised

Quanmatic is an information and technology company that provides algorithms development and solutions to bridge quantum technologies.

Sep 2024
Series A

Founder Contacts

19,000+ verified contacts

London, United Kingdom
$15.0M
raised

ORCA Computing is building the first scalable and flexible quantum computer powered by photonics.

Jun 2022
Series A

Founder Contacts

19,000+ verified contacts

Grenoble, France

Quobly develops quantum computing hardware using silicon-based spin qubits on FD-SOI substrates.

Jun 2026
Series A

Founder Contacts

19,000+ verified contacts

Siegen, Germany

eleQtron develops and operates trapped-ion quantum computers built for industrial and scientific use.

May 2026
Series A

Founder Contacts

19,000+ verified contacts

Tampere, Finland
$5.7M
raised

Quanscient develops a multiphysics simulation software that utilizes quantum computing algorithms to improve simulation technology.

May 2026
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Sheffield, United Kingdom

Defining the future of computing with full stack photonic quantum computers

May 2024
Series A

Founder Contacts

19,000+ verified contacts

Chicago, United States
$10.0M
raised

memQ is developing quantum network technologies

Mar 2026
Series A

Founder Contacts

19,000+ verified contacts

Mountain View, United States
$105.0M
raised

Sygaldry Technologies is a tech company building quantum-accelerated AI servers to exponentially speed up AI training and inference.

Mar 2026
Series A

Founder Contacts

19,000+ verified contacts

Tokyo, Japan
$9.9M
raised

OptQC is an IT firm that commercializes cutting-edge optical quantum computing technologies developed by the Furusawa-Endo Laboratory.

Oct 2025
Series A

Founder Contacts

19,000+ verified contacts

Munich, Germany
$15.2M
raised

Easy-to-use and scalable cooling for Science and Technology

Oct 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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$14.0M
raised

Nanofiber Quantum Technologies is a research and manufacturing company that develops hardware for quantum communications.

Sep 2025
Series A

Founder Contacts

19,000+ verified contacts

Stuttgart, Germany
$71.9M
raised

Q.ANT develops and manufactures quantum sensors, photonic chips, and processors for quantum computing.

Jul 2025
Series A

Founder Contacts

19,000+ verified contacts

Amsterdam, The Netherlands
$17.5M
raised

QuiX develops photonic quantum computing hardware, utilizing integrated photonics to process quantum information through light particles.

Jul 2025
Series A

Founder Contacts

19,000+ verified contacts

New York, United States
$10.0M
raised

Qunnect is a spin-off venture company enabling the quantum internet for quantum repeater operation.

Jun 2025
Series A

Founder Contacts

19,000+ verified contacts

Copenhagen, Denmark
$24.2M
raised

Sparrow Quantum develope and commercializes photonic quantum chip technology.

Apr 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Canberra, Australia
$20.0M
raised

Quantum Brilliance develops quantum computers that operate at room temperature using synthetic diamonds.

Jan 2025
Series A

Founder Contacts

19,000+ verified contacts

Brighton, United States
$18.0M
raised

Lightsynq develops universal optical quantum interconnects that bridge the gap to large-scale quantum computers.

Nov 2024
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$33.0M
raised

Fabric is a verifiable processing unit startup that develops a custom cryptography hardware to accelerate cryptography algorithms.

Aug 2024
Series A

Founder Contacts

19,000+ verified contacts

Munich, Germany
$32.5M
raised

creating quantum computers atom by atom

Jul 2024
Series A

Founder Contacts

19,000+ verified contacts

Delft, The Netherlands
$25.9M
raised

Qblox is a Dutch Quantum technology scaleup that offers patented solutions for scalable control of quantum computers.

Jun 2024
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Irvine, United States
$4.3M
raised

Global Telecom engineers hardware, software and AI solutions that enable a reliable and secure Internet of Things (IoT).

Mar 2024
Series A

Founder Contacts

19,000+ verified contacts

Singapore, Singapore
$4.7M
raised

Entropica Labs builds models, algorithms and techniques for optimisation with quantum computers.

Nov 2023
Series A

Founder Contacts

19,000+ verified contacts

London, United Kingdom
$16.5M
raised

Phasecraft is a quantum computing software developer.

Aug 2023
Series A

Founder Contacts

19,000+ verified contacts

Castelldefels, Spain
$10.9M
raised

Quside designs and manufactures innovative quantum technologies for all connected devices.

Jul 2023
Series A

Founder Contacts

19,000+ verified contacts

Singapore, Singapore
$18.1M
raised

Horizon Quantum Computing builds software development tools to code, compile and deploy quantum applications from classical code.

Mar 2023
Series A

Founder Contacts

19,000+ verified contacts

Showing 1 to 25 of 29 companies

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29 Recently Funded Quantum Computing Series A Startups (July 2026) | VCBacked