Top Quantum Computing Companies
66 Quantum Computing companies, sorted by total funding raised.
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...
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 ...
Full-stack superconducting quantum computer manufacturer building on-premise and cloud quantum sy...
Chinese quantum computing startup scaling chip production.
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...
Industrial quantum processor company building scalable superconducting quantum chips.
Quantum computing company building highly scalable, gate-based quantum computers using arrays of ...
Provides hardware and software quantum control systems (OPX, QUA) enabling quantum computer build...
Quantum computing hardware company delivering quantum processors.
Quantum computing platform using neutral atoms for scalable quantum systems.
Chinese quantum computing company with commercial applications.
French quantum computing startup developing carbon nanotube qubit systems.
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...
IonQ is developing quantum computers designed to solve the world's most complex problems, and tra...
Using disruptive theory to unlock the power of quantum computing
Quantum Source is developing practical, fault-tolerant photonic quantum computers using a novel p...
Quantum computing hardware company developing photonics control systems for quantum sensing and c...
Quantum software company building enterprise applications on hardware-agnostic quantum computing ...