/Companies

Quantum Computing Startups

310 companies tagged Quantum Computing, with their investors and founders.

NVision

NVision develops quantum computing and quantum-enhanced sensing platforms based on quantum spin control in organic molecules, with focus on healthcare applications including drug development and disease treatment.

8 investors

Quantum Brilliance

Quantum Brilliance develops integrated quantum microchips based on diamond nitrogen-vacancy centers for sensing and computing applications. The company serves customers in power grid monitoring, materials research, healthcare imaging, autonomous vehicles, data centers, navigation systems, space operations, and cybersecurity.

8 investors

Alice Bob

Alice & Bob develops quantum computing hardware based on cat-qubit technology, building superconducting quantum chips and cryogenic systems aimed at error-corrected quantum computation. Its work includes multi-qubit chips with long bit-flip times and the development of logical qubits.

7 investors

Atomionics

Atomionics builds quantum sensors based on cold atom interferometry that generate 3D models of the Earth's subsurface to locate critical resources, enable GPS-free navigation, and detect seismic and volcanic activity. The company operates at the intersection of quantum physics, hardware, and AI.

7 investors

BQP

BosonQ Psi (BQP) develops BQPhy, a simulation software that integrates quantum computing with high-fidelity engineering simulations such as computational fluid dynamics. The company builds tools for engineering and computational analysis, drawing on expertise in quantum computing, CFD, and related emerging technologies.

7 investors

EeroQ

EeroQ is building quantum computers using single electrons trapped on superfluid helium and standard CMOS chip fabrication, aiming for a scalable large-scale quantum computer based on the electrons' magnetic spin states. The company targets applications spanning biomedical research, climate, food production, mineral exploration, and manufacturing.

7 investors

Menten AI

Menten AI develops generative AI software to design cyclic peptide therapeutics for drug targets beyond the reach of conventional small molecules and biologics. The company partners with major pharmaceutical firms to accelerate preclinical drug discovery.

7 investors

Quantumdiamonds

QD-ST develops quantum sensing microscopy systems for semiconductor failure analysis and defect localization in integrated circuits. The company serves R&D and manufacturing teams in the semiconductor industry with non-destructive imaging and metrology tools.

7 investors

Zapata Computing

Zapata Quantum is a publicly traded company (OTCQB: ZPTA) that develops quantum algorithms and applies agentic AI to automate quantum resource estimation workflows. Its work targets quantum chemistry applications, including drug discovery, energy, and advanced materials development.

7 investors

Algorithmiq

Algorithmiq develops quantum algorithms that combine classical and quantum computers to solve problems in chemistry and life sciences, with a focus on drug discovery and development for rare diseases. Its products include a quantum computer interface and proprietary quantum chemistry algorithms applicable to materials, drugs, and energy.

6 investors

Dipole Labs

Dipole Labs develops photonic (optical) hardware intended to serve as the optical layer for AI and quantum computing infrastructure, aiming to overcome the physical limits of silicon in speed, density, and efficiency. The company targets AI and quantum infrastructure providers.

6 investors

diraq

Diraq develops quantum computers based on modified silicon transistors, aiming for utility-scale quantum processing units the size of a single data-center rack. The company focuses on scaling to millions of qubits with error-corrected operations.

6 investors

Horizon Quantum

Horizon Quantum builds software infrastructure and programming tools to enable developers to apply quantum computing to complex computational problems. The company aims to make quantum computing accessible to mainstream software developers and accelerate commercial adoption of quantum technology.

6 investors

Memq

memQ develops quantum networking technology that entangles matter qubits with light to connect multiple quantum systems, building an extensible quantum network architecture using integrated photonics and advanced materials. Its technology targets scaling qubit density across systems, datacenters, and networks for quantum computing.

6 investors

ORCA Computing

ORCA Computing develops full-stack photonic quantum computing systems, including on-premises hardware and software tools, for research institutions, government bodies, and industry applications such as generative AI, machine learning, and optimisation. Founded in 2019 as a University of Oxford spin-out, it is headquartered in London with offices in Toronto and Austin.

6 investors

Planqc

planqc is a full-stack quantum computing company that builds digital quantum computers based on neutral atoms, integrating hardware with software and quantum applications. It offers on-premise systems, HPC-integrated systems, and cloud-based quantum access for industry, science, and research customers.

6 investors

Quantum Motion

Quantum Motion develops utility-scale quantum computers using silicon spin-qubit architecture compatible with standard semiconductor manufacturing processes and existing foundry supply chains. Its platform is designed to fit into data centres and enable scientific work in fields such as chemistry, medicine, and artificial intelligence.

6 investors

QuEra Computing

QuEra develops neutral-atom quantum computers, building both the quantum hardware and the classical control systems that operate them, along with related software and applications. It serves enterprise customers, high-performance computing centers, and government agencies worldwide, including deployments in Japan's national quantum program.

6 investors

Wave Photonics

Wave Photonics develops integrated photonics components and component libraries, providing automated design tools that make photonic components accessible to chip designers and packagers. Its technology targets applications in communications, sensing, and quantum technologies.

6 investors

株式会社QunaSys

QunaSys develops algorithms and software to maximize the performance of quantum computers, aiming to make quantum computing practical for real business applications. The company also provides quantum technology consulting services.

6 investors

1QBit

1QBit develops computational tools that enable organizations to reimagine and solve complex, previously intractable problems across industries. The company creates next-generation software to help businesses discover new solutions to existing challenges.

5 investors

Casimir

Casimir develops technology to extract usable energy from the quantum vacuum through Casimir cavities, aiming to create a novel power source for applications including advanced propulsion and energy generation. The company applies quantum physics research to produce practical energy systems.

5 investors

Entropica Labs

Entropica Labs is a quantum computing software company building the infrastructure layer between quantum hardware and applications, with tools for quantum error correction and fault-tolerant computing. It serves hardware teams, researchers, and developers with products to explore, compile, and package fault-tolerant quantum programs.

5 investors

equal1

Equal1 builds quantum computing infrastructure packaged as deployable rack systems for data centers, combining quantum research with CMOS silicon design to deliver practical, production-ready quantum computing solutions.

5 investors

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