Top Quantum Computing Companies
88 Quantum Computing companies, sorted by total funding raised.
88
Companies
$12.3B
Combined Funding
Series A
Top Stage
Indexed tracks 88 Quantum Computing companies that have collectively raised $12.3B in documented funding. The most-funded quantum computing companies tracked include PsiQuantum and SandboxAQ. Series A is the most common funding stage among quantum computing companies in this dataset.
Quantum computing company developing the world's first commercially useful, fault-tolerant quantu...
SandboxAQ is a B2B enterprise SaaS company that combines AI and quantum technologies to address c...
Quantinuum is the world's largest integrated quantum computing company, developing trapped-ion qu...
Quantum Computing Inc. is an integrated photonics company providing accessible quantum machines a...
IQM is the pan-European category leader in quantum computers.
Oxford Quantum Circuits builds application-optimized quantum computers engineered to deliver busi...
Rigetti designs and manufactures superconducting quantum-computing systems, integrating chip fabr...
Photonic Inc. is building the world's first commercial-scale, fault-tolerant distributed quantum ...
Oratomic develops utility-scale quantum computers using light and atoms, with ultra-efficient err...
Quobly builds silicon-based quantum processors on proven semiconductor infrastructure, transformi...
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 Motion builds full-stack quantum computers using standard CMOS wafer technology for comme...
QuantWare designs, fabricates, and integrates quantum processors on its VIO architecture, helping...
Provides hardware and software quantum control systems (OPX, QUA) enabling quantum computer build...
SpinQ designs superconducting and NMR quantum computers, cloud platforms, and software that indus...
Pasqal builds programmable quantum simulators and computers from 2D and 3D atomic arrays of laser...
QBoson develops specialized quantum computers and industry solutions for artificial intelligence,...
Alice & Bob is a quantum computing company based in Paris and Boston whose goal is to create the ...
Builds developer tools and an IDE to compile and deploy quantum applications from classical langu...
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 88 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 $12.3B in documented funding.
What are the top-funded Quantum Computing companies?
The most-funded Quantum Computing companies tracked include PsiQuantum, SandboxAQ, Quantinuum.
Who are the top investors in Quantum Computing?
Leading investors active in Quantum Computing include European Innovation Council Fund, BDC Venture Capital, Nvidia.
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