Quantum Motion

On September 15, 2025, Quantum Motion delivered the first full-stack silicon CMOS quantum computer at the UK National Quantum Computing Centre, built on a 300-mm wafer process that integrates a quantum processing unit, cryogenic control electronics and a dilution refrigerator into a footprint of just three 19-inch racks. The system combines Quantum Motion’s Quantum Processing Unit with a user interface and control stack compatible with Qiskit and Cirq, offering a complete data-centre-friendly solution that can be upgraded to larger processors without altering its physical envelope. This milestone demonstrates that a robust, functional quantum computer can be mass-produced using the same transistor technology underpinning conventional silicon chips. In October 2025, Isobel C. Clarke, Virginia Ciriano-Tejel, David J. Ibberson, and colleagues at Quantum Motion achieved single-shot spin readout directly within a standard 22 nanometer integrated circuit, converting spin information into a measurable electrical signal with exceptional visibility exceeding 90% and observing millisecond spin relaxation times.

Company Information

• Founded: 2017
• Country: United Kingdom
• Website: https://quantummotion.tech
• Categories: quantum processors

Key People

Professor Simon Benjamin (Co-founder), Professor John Morton (Co-founder)

Investment Information

• Status: private
• Total Raised: $67M
• Last Valuation: $250M

Recent Funding Rounds

• 2024-01-09: series-a - $50M - Series A funding for silicon quantum processors
• 2021-05-11: seed - $17M - Seed funding round

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