Top Quantum Computing Companies
73 Quantum Computing companies, sorted by total funding raised.
73
Companies
$8.6B
Combined Funding
8
Funded (Last 60d)
Series A
Top Stage
Indexed tracks 73 Quantum Computing companies that have collectively raised $8.6B in documented funding. The most-funded quantum computing companies tracked include PsiQuantum and Quantinuum. 8 companies closed a new round in the last 60 days, with Series A being the most common funding stage.
Quantum computing company developing the world's first commercially useful, fault-tolerant quantu...
Quantinuum is the world's largest integrated quantum computing company, developing trapped-ion qu...
Full-stack superconducting quantum computer manufacturer building on-premise and cloud quantum sy...
UK company building and deploying superconducting quantum computers.
SandboxAQ is a B2B enterprise SaaS company that combines AI and quantum technologies to address c...
Photonic Inc. is building the world's first commercial-scale, fault-tolerant distributed quantum ...
French quantum computing startup using silicon semiconductor manufacturing.
Quantum computing company building highly scalable, gate-based quantum computers using arrays of ...
YC-backed startup building quantum-accelerated AI servers combining multiple qubit types to speed...
Photonic quantum computing company building quantum computers using light-based technology, with ...
Classiq develops software for quantum algorithms. The company’s software technology helps teams m...
QuEra Computing builds neutral-atom quantum computers, offering cloud and on-premises access to i...
Quantum computing hardware company delivering quantum processors.
Industrial quantum processor company building scalable superconducting quantum chips.
Provides hardware and software quantum control systems (OPX, QUA) enabling quantum computer build...
Chinese quantum computing company with commercial applications.
Quantum computing platform using neutral atoms for scalable quantum systems.
Chinese quantum computing startup scaling chip production.
French quantum computing startup developing carbon nanotube qubit systems.
Quantum computing technology company in Australia.
Quantum computing startup building fault-tolerant quantum computers using cat qubits.
Quantum coherent supercomputing.
Builds superconducting, bosonic-code quantum computers with qubit-level error correction to deliv...
Using disruptive theory to unlock the power of quantum computing
IonQ is developing quantum computers designed to solve the world's most complex problems, and tra...
Top Investors in Quantum Computing
Active investors ranked by total number of investments.
Frequently Asked Questions
How many Quantum Computing companies are tracked on Indexed?
Indexed tracks 73 Quantum Computing companies, sorted by total funding raised.
How much funding have Quantum Computing companies raised in total?
The Quantum Computing companies tracked by Indexed have collectively raised $8.6B in documented funding.
What are the top-funded Quantum Computing companies?
The most-funded Quantum Computing companies tracked include PsiQuantum, Quantinuum, IQM.
Who are the top investors in Quantum Computing?
Leading investors active in Quantum Computing include BDC Venture Capital, Pitango Growth, Nvidia.
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