Quantum Computing Startups

Quantum Motion develops utility-scale quantum computers built on silicon-spin architecture, using standard silicon processing compatible with existing semiconductor foundries and designed to fit into data centres. Its scalable platform targets clients pursuing breakthroughs in fields such as chemistry, medicine, and artificial intelligence.

1 investor

QO develops quantum key distribution systems that use entangled photons to provide cryptographic security for data networks and space communications. The company serves enterprises and research institutions needing quantum-secured encryption infrastructure for fiber networks and satellite constellations.

1 investor

Quantum Research Sciences is an American company developing commercial quantum computing software and quantum technologies, including its ACID-R data-repository platform, quantum sensing, and Quantum Machine Learning applications. It serves defense customers such as the USAF and works with quantum hardware providers including IBM, IonQ, Quantinuum, and QuEra.

1 investor

Quantum Rings provides large-scale quantum circuit simulation software that runs on standard hardware, with a code pathway to connect with real quantum processing units when needed. The company serves researchers, academics, and enterprises developing quantum applications.

1 investor

A deep-tech venture focused on quantum science and technology, with a team of physics professors and technology investors specializing in quantum integrated photonics, quantum information, and related fields. Its leadership and advisors are largely drawn from Israeli research institutions.

1 investor

Qubitra is building a marketplace platform that connects researchers, builders, and enterprises with vetted quantum applications, tools, and infrastructure to reduce barriers to quantum prototyping and accelerate validation of quantum use cases.

1 investor

Qubitrium is a company focused on quantum technology innovation. The page provides no further detail on its specific products or target customers.

1 investor

Quemix develops quantum computing algorithms, software, and quantum sensor research to enable breakthrough innovations across industries including automotive, semiconductors, pharmaceuticals, aerospace, logistics, and finance. The company supports leading technology enterprises in adopting and integrating quantum technology into their existing services and applications.

1 investor

QuiX Quantum develops Carina, a room-temperature photonic quantum computer that integrates photon generation, photonic processing, switching, cluster-state generation, detection, and feed-forward control into a deployable system. The product targets researchers and organizations seeking scalable, fault-tolerant quantum computing capabilities.

1 investor

Quminex uses machine learning and geoscience to accelerate mineral exploration, reducing environmental impact and uncertainty by analyzing multi-dimensional data to identify ore deposits. The company serves mining organizations and resource companies seeking more efficient and sustainable mineral discovery.

1 investor

Qunett develops modular quantum networking hardware, including photonic entanglement sources and diamond-based quantum memory modules, to form the physical layer for secure, large-scale quantum communication. Its platform-agnostic technology targets quantum computing, PNT and sensor networks, and securing classical data channels.

1 investor

Quranium develops quantum-secure blockchain infrastructure and Layer 1 solutions designed to protect against quantum computing threats. The company serves enterprises and developers building Web3 applications and digital assets.

1 investor

Quside develops quantum random number generator (QRNG) technology that produces certified, observable random numbers meeting NIST SP800-90B standards, used to strengthen digital trust and support quantum-safe cybersecurity. It serves enterprise, telecom, data center, and research customers transitioning to post-quantum security and randomized accelerated computation.

1 investor

Qutwo develops an operating system platform for quantum computing that enables rapid implementation, integration, and production-grade operation of quantum and AI solutions. The company serves enterprises and quantum technology providers seeking to move beyond proofs-of-concept toward commercial quantum computing applications.

1 investor

Ideas Lab is an applied research laboratory that develops quantum sensing technologies and prototypes, working to bring quantum science breakthroughs from academic research to commercial-ready products and new businesses in Canada.

1 investor

RANDAEMON develops post-quantum cryptography solutions, including AIRBARN™ stream ciphers and quantum random number generators (QRNGs), for securing internet-connected devices, cloud operations, and IoT systems against quantum computing threats. The company produces both software implementations and chip-embedded prototypes for various applications including voice/video encoding, banking, and blockchain security.

1 investor

Roadrunner Venture Studios is a venture studio that builds and invests in deep tech startups across energy, advanced manufacturing, quantum, and advanced materials. It partners with universities, national labs, and the private sector to develop ideas, and works alongside America's Frontier Fund with a focus on American technological competitiveness.

1 investor

SavantX develops quantum computing and AI-powered solutions for real-world optimization problems, serving government, defense, and commercial enterprises. The company applies quantum-hybrid technologies and advanced data analytics to address complex computational challenges.

1 investor

SealSQ develops quantum-resistant semiconductors and cybersecurity solutions for protecting critical infrastructure including EV charging stations and enterprise systems. The company designs quantum-safe chips and platforms to address emerging quantum computing threats.

1 investor

Securosys develops Hardware Security Modules (HSMs) and related products for securing cryptographic keys and transactions, with support for post-quantum cryptography and NIST-approved algorithms. Its FIPS 140-2 and Common Criteria certified products serve banks, payment systems, energy infrastructure operators, and blockchain asset managers.

1 investor

Silicon Quantum Computing develops fault-tolerant quantum processors using atomic-scale manufacturing techniques, targeting applications in AI acceleration, quantum simulation, and quantum computing. The company builds a full-stack solution from processor fabrication through control systems and software.

1 investor

Silvertech is commercialising a patented lateral silicon carbide (SiC) FET transistor technology aimed at improving power MOSFETs used for power conversion in applications like EVs, data centres, grid synchronisation, and inverters. Developed with Griffith University's Microtechnology Centre, the company targets renewable energy and power electronics with devices intended to be cheaper, smaller, and more efficient than existing SiC and GaN options.

1 investor

Sixscape Communications develops secure communications solutions featuring cryptographic authentication and an End2End Direct Connectivity model using IPv6 that removes intermediary servers. The company serves IoT, M2M, and 5G markets with secure communications applications for Windows and mobile devices.

1 investor

SoftwareQ develops quantum software tools and platforms, including quantum computing as a service and libraries for compiling and optimizing quantum circuits. Its offerings target developers and researchers working in quantum computing.

1 investor