Quantum Computing companies

Atom Computing builds gate-based quantum computers using optically-trapped neutral atoms, designed for on-premises deployment.

QuEra Computing operates neutral-atom quantum computers and provides quantum computing access and services to enterprises, HPC centres, and government organisat…

D-Wave is the world’s first commercial supplier of quantum computers, offering dual-platform quantum computing systems (annealing and gate-model), cloud service…

Rigetti Computing builds quantum computers and superconducting processors, offering cloud-based and on-premises systems to enterprise, government, and research…

PsiQuantum is building a fault-tolerant quantum computer using photonic qubits on silicon chips manufactured at commercial foundries.

Monarch Quantum builds Quantum Light Engines™, integrated photonics subsystems consolidating hundreds of discrete optical components into ruggedized modules for…

Terra Quantum provides a cloud-based Quantum as a Service platform spanning quantum algorithms, computing, and security, with a hybrid classical-quantum approac…

Q-CTRL develops infrastructure software to mitigate hardware error and improve performance in quantum computing and sensing systems.

Sygaldry builds quantum-accelerated AI servers, developing hybrid quantum-classical systems designed to exponentially speed up AI training and inference.

Infleqtion is a publicly traded quantum technology company that develops neutral atom solutions for computing, networking, sensing, and security applications.