# Oxford Quantum Circuits

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/oxford-quantum-circuits

- Industry: Hardware
- Headquarters: Reading, UK
- Website: www.oqc.tech
- Total disclosed funding: $593M
- Latest round: Series C (Jun 30, 2026)
- Investors on record: 17

## About

Oxford Quantum Circuits Limited, based in the UK, specializes in quantum computing technology, providing solutions designed for commercial applications, particularly through its Quantum-Compute-as-a-Service offering.Founded in 2017, Oxford Quantum Circuits Limited is headquartered in Reading, UK. The company focuses on developing quantum computing technologies. Peter Leek is the founder, and Ilana Wisby serves as CEO. In March 2024, OQC raised USD 100 mn in Series B funding from Chevron Technology Ventures, bringing the total amount raised to USD 100 mn. The company has completed 5 deals to date.Oxford Quantum Circuits (OQC) specializes in Application Optimised Compute, featuring quantum computers tailored for commercial applications. Its flagship product, Quantum-Compute-as-a-Service (QCaaS), enables clients to access quantum computing through cloud services or colocated systems. OQC's technology integrates with classical computing, serving various industries including finance and pharmaceuticals, with a 1:1 physical-to-logical qubit ratio for enhanced performance. Their systems are utilized worldwide, including in Europe, North America, and Asia.OQC generates revenue via a subscription-based model offering access to quantum computing services, primarily for B2B clients. The company provides tailored agreements for clients to incorporate quantum capabilities, with a pricing structure that aligns with usage and service levels. Its offerings facilitate advanced decision-making in sectors such as finance and pharmaceuticals through integration of quantum algorithms. In June 2026, Oxford Quantum Circuits Limited raised GBP260 million in series C funding led by GP Bullhound, with participation from other Cofides, Firgun Ventures, Fulcrum Asset Management, Magdalen College (Oxford) Endowment, Pentland Ventures, British Business Bank, Chevron Technology Ventures, and Oxford Sciences Enterprises. The company will use the funding to expand into new regions, improve its quantum systems, and build and deploy its next-generation computers.

## Funding rounds

- Series C, Jun 30, 2026, $344M — Chevron Technology Ventures, Fulcrum Asset Management, Magdalen College (Oxford) Endowment, Cofides, Oxford Sciences Enterprises, GP Bullhound, Pentland Ventures, British Business Bank, Firgun Ventures
- Series B, Mar 5, 2024, $100M — Chevron Technology Ventures
- Series B, Nov 27, 2023, $100M — University of Tokyo Edge Capital Partners, Lansdowne Partners, SBI Investment, Oxford Sciences Enterprises, Oxford Investment Consultants
- Series A, Feb 3, 2023, $1.1M — Quantum Exponential, HiJoJo Partners
- Series A, Jul 5, 2022, $46M — University of Tokyo Edge Capital Partners, Lansdowne Partners, Oxford Sciences Enterprises, British Patient Capital, Oxford Investment Consultants
- Seed, Jun 23, 2017, $2.6M — Parkwalk Advisors, Oxford Sciences Enterprises

## Investors

- Parkwalk Advisors (https://capitalatlas.ai/funds/parkwalk-advisors) — Seed
- Oxford Sciences Enterprises (https://capitalatlas.ai/funds/oxford-sciences-enterprises) — Seed, Series A, Series B, Series C
- University of Tokyo Edge Capital Partners (https://capitalatlas.ai/funds/university-of-tokyo-edge-capital-partners) — Series A, Series B
- Lansdowne Partners (https://capitalatlas.ai/funds/lansdowne-partners) — Series A, Series B
- British Patient Capital — Series A
- Oxford Investment Consultants — Series A, Series B
- Quantum Exponential (https://capitalatlas.ai/funds/quantum-exponential) — Series A
- HiJoJo Partners (https://capitalatlas.ai/funds/hijojo-partners) — Series A
- SBI Investment (https://capitalatlas.ai/funds/sbi-investment) — Series B
- Chevron Technology Ventures (https://capitalatlas.ai/funds/chevron-technology-ventures) — Series B, Series C
- Fulcrum Asset Management (https://capitalatlas.ai/funds/fulcrum-asset-management) — Series C
- Magdalen College (Oxford) Endowment — Series C
- Cofides (https://capitalatlas.ai/funds/cofides) — Series C
- GP Bullhound (https://capitalatlas.ai/funds/gp-bullhound) — Series C
- Pentland Ventures (https://capitalatlas.ai/funds/pentland-ventures) — Series C
- British Business Bank (https://capitalatlas.ai/funds/british-business-bank) — Series C
- Firgun Ventures (https://capitalatlas.ai/funds/firgun-ventures) — Series C