Company · Hayes
CPI TMD Technologies, a microwave and RF equipment maker in Hayes, Middlesex, has built a quantum navigation line around cold atoms. Its HARLEQUIN system combines a clock, a ring laser gyroscope and a MEMS accelerometer with a quantum accelerometer based on a grating magneto-optical trap (gMOT) developed with Strathclyde and Kelvin Nanotechnology, using the atoms to correct drift when satellite positioning is unavailable. Funded by Innovate UK, HARLEQUIN completed sea trials aboard Trinity House's THV Galatea, announced in December 2025. TMD was earlier a partner in M Squared's DISCOVERY consortium on supply chains for quantum computing (2020 to 2024).
TMD Technologies, based in Hayes, is a company. It is a partner in 2 UK projects: Developing an error corrected quantum processor solution for commercial quantum computing and DISCOVERY.
Sources: CPI TMD demonstrates quantum navigation at sea for UK (GPS World, December 2025) · CPI TMD Technologies Limited (Companies House) · DISCOVERY (UKRI Gateway to Research)
A Universal Quantum-led consortium building a trapped-ion quantum computer that can correct its own errors, with Rolls-Royce as end user.
Role: Partner
Funding: £7.5m
Themes: Computing
DISCOVERY
An M Squared-led consortium that worked on the photonics needed to scale neutral-atom, trapped-ion and optical quantum computers.
Role: Partner
Themes: Computing
Recent articles from Quantum Zeitgeist that mention TMD Technologies.
Covesion contributed to successful sea trials of CPI TMD Technologies’ HARLEQUIN, a quantum-hybrid inertial navigation system, proving quantum sensors can function in challenging maritime environments. This deployment marks a significant step toward real-world application of cold-atom technology for
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The latest round of the UK government’s Commercialising Quantum Technologies challenge awarded Riverlane a total of £2.5 million for its projects. Starting in 2022, a total of four initiatives will engage with hardware and enterprise partners to address the significance of the scientific and enginee
Image © Quantum Zeitgeist
DISCOVERY, the largest industry-led quantum computing project in the UK, was announced by nine major organisations. It is a £10 million programme to address commercial quantum computing and what makes it unfeasible now. UK Quantum Technologies Challenge, led by UK Research and Innovation, is partial
Image © Quantum Zeitgeist
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