Company · Cardiff
IQE grows compound semiconductor epitaxial wafers in gallium arsenide, indium phosphide, gallium nitride and gallium antimonide, and quantum is a small corner of a business driven mainly by data centre and communications photonics. From its Cardiff headquarters it took part in two Innovate UK quantum consortia: Toshiba's AQuaSeC project on quantum-safe communications, and QFoundry, which from September 2020 worked towards an open-access UK foundry for VCSELs, single-photon emitters and detectors. IQE belongs to the CSconnected semiconductor cluster in South Wales, and in September 2026 it reported 43% half-year revenue growth and plans to move from AIM to the London Stock Exchange's Main Market.
Sources: IQE: 2026 interim results (7 September 2026) · Gateway to Research: Agile Quantum Safe Communications (104615) · Gateway to Research: QFoundry (48484) · CSA Catapult: QFoundry
QEPNT
A national research hub for quantum position, navigation and timing, led by the University of Glasgow. It aims to reduce reliance on satellite signals such as GPS.
Role: Partner
Funding: £21.9m
Themes: Timing and navigation, Sensing, Defence and security
QFoundry
A consortium led by the Compound Semiconductor Centre in Cardiff to set up an open-access foundry for quantum semiconductor components.
Role: Partner
Themes: Materials and components, Communications, Sensing
QCS
The phase 2 national hub for quantum computing and simulation, led by the University of Oxford. It ran from 2019 to 2024.
Role: Partner
Funding: £27.3m
Themes: Computing, Software and algorithms
AQuaSeC
A Toshiba-led consortium that built prototype quantum-safe communication systems. It combined quantum key distribution with quantum-resistant algorithms.
Role: Partner
Themes: Communications, Networks
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