Ranked by latest valuation · 25 of 40 on the roster
Quantinuum, formed from the merger of Honeywell Quantum Solutions and Cambridge Quantum, builds trapped-ion systems and quantum software.
PsiQuantum is building a fault-tolerant photonic quantum computer leveraging existing semiconductor manufacturing infrastructure.
SandboxAQ develops enterprise software for quantum and AI-based solutions in cryptography, sensing, and simulation.
IonQ builds trapped-ion quantum computers with industry-leading gate fidelities and offers cloud access through AWS, Azure, and Google Cloud.
Photonic builds silicon-spin quantum computers that integrate qubits with photonic interconnects for networking and scalability.
Infleqtion develops neutral-atom quantum computers and quantum-enabled products including atomic clocks and RF sensors.
D-Wave commercializes quantum annealing systems optimized for combinatorial optimization problems.
Rigetti designs and manufactures superconducting quantum processors and operates a full-stack quantum computing platform.
Nord Quantique develops superconducting qubits with built-in error correction using bosonic codes.
Quantum Machines builds control and orchestration systems for quantum computers, enabling real-time classical-quantum processing.
Multiverse Computing provides quantum software solutions for finance, energy, and manufacturing optimization problems.
Silicon Quantum Computing develops silicon-based quantum processors using phosphorus donor atoms in silicon.
Agnostiq develops Covalent, an open-source workflow orchestration platform for quantum and high-performance computing.
Alice & Bob develops cat qubits, a novel superconducting architecture designed to reduce error correction overhead.
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.
Classiq provides a software platform for designing, optimizing, and executing quantum algorithms at scale.
Diraq develops silicon-based quantum processors using CMOS-compatible fabrication for scalable quantum computing.
Google Quantum AI builds superconducting quantum processors and achieved quantum supremacy in 2019 with its Sycamore chip.
IBM Quantum develops superconducting quantum computers and offers cloud access through the IBM Quantum Network.
IQM designs and manufactures superconducting quantum computers for research institutions and data centers.
ORCA Computing develops time-bin encoded photonic quantum computers designed for easy integration with existing telecom infrastructure.
Oxford Quantum Circuits builds superconducting quantum computers with proprietary Coaxmon technology and offers cloud access.
Pasqal develops neutral-atom quantum processors and targets optimization and simulation applications.
Q-CTRL builds quantum control infrastructure software to reduce errors and improve performance across quantum hardware platforms.
