Ranked by newest founded · 25 of 40 on the roster
Diraq develops silicon-based quantum processors using CMOS-compatible fabrication for scalable quantum computing.
SandboxAQ develops enterprise software for quantum and AI-based solutions in cryptography, sensing, and simulation.
Quantinuum, formed from the merger of Honeywell Quantum Solutions and Cambridge Quantum, builds trapped-ion systems and quantum software.
Alice & Bob develops cat qubits, a novel superconducting architecture designed to reduce error correction overhead.
Classiq provides a software platform for designing, optimizing, and executing quantum algorithms at scale.
Nord Quantique develops superconducting qubits with built-in error correction using bosonic codes.
QuantWare manufactures superconducting quantum processors as off-the-shelf components for quantum computing research and development.
Agnostiq develops Covalent, an open-source workflow orchestration platform for quantum and high-performance computing.
Multiverse Computing provides quantum software solutions for finance, energy, and manufacturing optimization problems.
ORCA Computing develops time-bin encoded photonic quantum computers designed for easy integration with existing telecom infrastructure.
Pasqal develops neutral-atom quantum processors and targets optimization and simulation applications.
Photonic builds silicon-spin quantum computers that integrate qubits with photonic interconnects for networking and scalability.
Qblox manufactures control electronics for quantum computing, offering modular hardware for qubit control and readout.
Qilimanjaro provides quantum computing services and develops application-specific quantum processors for optimization problems.
QphoX develops quantum modems to convert microwave and optical photons, enabling long-distance quantum communication between superconducting qubits.
Quantum Brilliance develops room-temperature quantum computers using nitrogen-vacancy centers in synthetic diamonds.
SEEQC builds chip-based superconducting quantum computers that move qubit readout, control, and error correction onto cryogenic Single Flux Quantum (SFQ) digital chips co-located with the qubits.
Terra Quantum develops quantum algorithms and hybrid quantum-classical software for optimization, simulation, and cryptography.
Atom Computing develops neutral-atom quantum computers using optical tweezers to trap and manipulate individual atoms.
Bleximo develops superconducting quantum processors optimized for quantum simulation and chemistry applications.
IQM designs and manufactures superconducting quantum computers for research institutions and data centers.
Qrypt develops quantum-secure encryption solutions including quantum random number generation and post-quantum key distribution.
Quantum Machines builds control and orchestration systems for quantum computers, enabling real-time classical-quantum processing.
QuEra builds neutral-atom quantum computers based on research from Harvard and MIT, focusing on optimization problems.
Strangeworks operates a cloud platform aggregating access to multiple quantum hardware providers and development tools.
