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Company database

Showing 1–24 of 30 tracked quantum companies · updated weekly

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CompanyScore30dTrackStageInvestTotal raisedHQ
SandboxAQ
AI + quantum-safe security and simulation; Alphabet spin-out.
67– 0.0Post-Quantum CryptographySeries D+ Pre-IPO€850mPalo Alto
PsiQuantum
Building a fault-tolerant photonic quantum computer using semiconductor manufacturing.
65▼ 10.5PhotonicSeries D+ Pre-IPO€1.3bnPalo Alto
IQM Quantum Computers
European leader in superconducting quantum computers for HPC centers and research labs.
65▼ 3.5SuperconductingSeries B Pre-IPO€210mEspoo
Atom Computing
Neutral-atom systems; first to exceed 1,000 physical qubits.
54▼ 0.1Neutral AtomSeries B Private€155mBerkeley
D-Wave Quantum
Quantum annealing systems and hybrid solvers; public since 2022.
54▼ 0.8AnnealingPublic Listed · QBTS€400mBurnaby
Xanadu
Photonic quantum computing and the PennyLane open-source ecosystem.
53▼ 2.9PhotonicSeries C Private€250mToronto
Alice & Bob
Cat-qubit architecture aiming at hardware-efficient fault tolerance.
52▼ 9.0SuperconductingSeries B Private€130mParis
ORCA Computing
Photonic quantum systems for data-center integration.
51– 0.0PhotonicSeries A Private€45mLondon
Terra Quantum
Full-stack quantum software, algorithms and quantum-as-a-service.
50▼ 1.0Software & AlgorithmsSeries B Private€95mSt. Gallen
Multiverse Computing
Quantum and quantum-inspired software for finance and model compression.
50– 0.0Software & AlgorithmsSeries A Private€65mSan Sebastian
Algorithmiq
Quantum algorithms for drug discovery and life sciences.
50– 0.0Software & AlgorithmsSeries A Private€19mHelsinki
Kvantify
Quantum and HPC software for computational chemistry and finance.
50– 0.0Software & AlgorithmsSeed Private€13mCopenhagen
Kipu Quantum
Application-specific quantum algorithms and compilation.
50– 0.0Software & AlgorithmsSeed Private€15mKarlsruhe
Molecular Quantum Solutions
Quantum-powered platform for molecular simulation and materials.
50– 0.0Software & AlgorithmsSeed Private€8.0mCopenhagen
Nordic Quantum Computing Group
Norway's first quantum computing company — algorithms and quantum finance.
50– 0.0Software & AlgorithmsSeed Private€4.0mOslo
Quantinuum
Trapped-ion systems and quantum software; Honeywell-backed category leader.
47▼ 26.3Trapped IonSeries D+ Pre-IPO€800mBroomfield
IonQ
Trapped-ion quantum computers available over major cloud platforms.
47▼ 18.3Trapped IonPublic Listed · IONQ€620mCollege Park
Pasqal
Neutral-atom quantum processors for computation and simulation.
47▼ 16.3Neutral AtomSeries C Pre-IPO€240mMassy
planqc
Neutral-atom quantum computers based on optical lattices.
47– 0.0Neutral AtomSeries A Private€55mGarching
Qblox
Scalable qubit control and readout electronics for quantum labs.
47– 0.0Enabling HardwareSeries A Private€40mDelft
Chipiron
Quantum sensing for portable, ultra-low-field MRI.
47– 0.0Sensing & MetrologySeed Private€17mParis
Quantum Brilliance
Room-temperature diamond-based quantum accelerators.
47– 0.0Spin QubitsSeries A Private€40mCanberra
Arqit Quantum
Symmetric-key quantum-safe encryption delivered as a service.
47– 0.0Quantum Key DistributionPublic Listed · ARQQ€130mLondon
Quandela
Photonic quantum computers built on single-photon sources.
45▼ 10.5PhotonicSeries B Private€75mMassy
67
SandboxAQ– 0.0
AI + quantum-safe security and simulation; Alphabet spin-out.
Post-Quantum Cryptography€850m Pre-IPO
65
PsiQuantum▼ 10.5
Building a fault-tolerant photonic quantum computer using semiconductor manufacturing.
Photonic€1.3bn Pre-IPO
65
IQM Quantum Computers▼ 3.5
European leader in superconducting quantum computers for HPC centers and research labs.
Superconducting€210m Pre-IPO
54
Atom Computing▼ 0.1
Neutral-atom systems; first to exceed 1,000 physical qubits.
Neutral Atom€155m Private
54
D-Wave Quantum▼ 0.8
Quantum annealing systems and hybrid solvers; public since 2022.
Annealing€400m Listed · QBTS
53
Xanadu▼ 2.9
Photonic quantum computing and the PennyLane open-source ecosystem.
Photonic€250m Private
52
Alice & Bob▼ 9.0
Cat-qubit architecture aiming at hardware-efficient fault tolerance.
Superconducting€130m Private
51
ORCA Computing– 0.0
Photonic quantum systems for data-center integration.
Photonic€45m Private
50
Terra Quantum▼ 1.0
Full-stack quantum software, algorithms and quantum-as-a-service.
Software & Algorithms€95m Private
50
Multiverse Computing– 0.0
Quantum and quantum-inspired software for finance and model compression.
Software & Algorithms€65m Private
50
Algorithmiq– 0.0
Quantum algorithms for drug discovery and life sciences.
Software & Algorithms€19m Private
50
Kvantify– 0.0
Quantum and HPC software for computational chemistry and finance.
Software & Algorithms€13m Private
50
Kipu Quantum– 0.0
Application-specific quantum algorithms and compilation.
Software & Algorithms€15m Private
50
Molecular Quantum Solutions– 0.0
Quantum-powered platform for molecular simulation and materials.
Software & Algorithms€8.0m Private
50
Nordic Quantum Computing Group– 0.0
Norway's first quantum computing company — algorithms and quantum finance.
Software & Algorithms€4.0m Private
47
Quantinuum▼ 26.3
Trapped-ion systems and quantum software; Honeywell-backed category leader.
Trapped Ion€800m Pre-IPO
47
IonQ▼ 18.3
Trapped-ion quantum computers available over major cloud platforms.
Trapped Ion€620m Listed · IONQ
47
Pasqal▼ 16.3
Neutral-atom quantum processors for computation and simulation.
Neutral Atom€240m Pre-IPO
47
planqc– 0.0
Neutral-atom quantum computers based on optical lattices.
Neutral Atom€55m Private
47
Qblox– 0.0
Scalable qubit control and readout electronics for quantum labs.
Enabling Hardware€40m Private
47
Chipiron– 0.0
Quantum sensing for portable, ultra-low-field MRI.
Sensing & Metrology€17m Private
47
Quantum Brilliance– 0.0
Room-temperature diamond-based quantum accelerators.
Spin Qubits€40m Private
47
Arqit Quantum– 0.0
Symmetric-key quantum-safe encryption delivered as a service.
Quantum Key Distribution€130m Listed · ARQQ
45
Quandela▼ 10.5
Photonic quantum computers built on single-photon sources.
Photonic€75m Private