Companies
Quantum organization directory
Compare published quantum companies, labs, investors, and ecosystem organizations by category, stage, headquarters, focus area, and verified source trail.
Quantum Motion
Hardware
Quantum Motion develops silicon-based quantum processors designed for compatibility with semiconductor manufacturing. Founded: 2017. Estimated employees: 51-200. Known funding: $240M+ reported. Notable products: Silicon spin-qubit platform.
London, England, UK
QuantWare
Hardware
QuantWare supplies superconducting quantum processing units and quantum control hardware to quantum builders. Founded: 2021. Estimated employees: 51-200. Known funding: $178M+ reported. Notable products: Contralto QPU, Crescendo, Tenor.
Delft, Netherlands
QuEra Computing
Hardware
QuEra develops neutral-atom quantum computers and offers cloud access through major platforms. Founded: 2018. Estimated employees: 51-200. Known funding: $230M+ reported. Notable products: Aquila, neutral-atom quantum processors.
Boston, Massachusetts, USA
Rigetti Computing
Hardware
Rigetti develops superconducting quantum processors and full-stack quantum computing systems. Founded: 2013. Estimated employees: 51-200. Known funding: Public company. Notable products: Ankaa processors, QCS platform.
Berkeley, California, USA
SEEQC
Hardware
SEEQC develops superconducting quantum processors integrated with energy-efficient cryogenic control chips. Founded: 2018. Estimated employees: 51-200. Known funding: Unknown. Notable products: Single Flux Quantum control chips, SEEQC QPU.
Elmsford, New York, USA
SemiQon
Hardware
SemiQon develops cryogenic CMOS and silicon-based quantum processor technology. Founded: 2023. Estimated employees: 11-50. Known funding: Unknown. Notable products: Silicon quantum processor chips.
Espoo, Finland
Silicon Quantum Computing
Hardware
SQC develops atomically precise silicon quantum processors based on Australian quantum research. Founded: 2017. Estimated employees: 51-200. Known funding: A$130M+ reported. Notable products: Silicon quantum processor program.
Sydney, New South Wales, Australia
SpinQ Technology
Hardware
SpinQ develops compact NMR quantum computers and educational quantum computing systems. Founded: 2018. Estimated employees: 51-200. Known funding: CNY600M+ reported. Notable products: Gemini, Triangulum, NMR quantum computers.
Shenzhen, Guangdong, China
Xanadu
Hardware
Xanadu builds photonic quantum computers and open-source quantum software. Founded: 2016. Estimated employees: 201-500. Known funding: $250M+ reported. Notable products: Borealis, PennyLane, Strawberry Fields.
Toronto, Ontario, Canada