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Company profile

III-V Epi

Glasgow epitaxy foundry providing custom MOCVD and MBE growth of arsenide, antimonide and phosphide structures for lasers, LEDs, optical amplifiers and photodetectors.

Company overview

III-V Epi, in Glasgow, grows compound semiconductor epitaxial structures by both molecular beam epitaxy (MBE) and MOCVD for low- and medium-volume manufacturing and R&D. It covers wafer design, growth, overgrowth, process optimisation and test, metrology and characterisation, serving large companies' development teams, fab-lite start-ups and research groups. The structures feed telecoms and datacoms lasers, LiDAR, optical sensing, quantum technology and defence devices. It presents itself as a sovereign UK MBE and MOCVD capability.

Semiconductor activity

Primary capability: Epitaxy. Supply-chain role: Epitaxy, Characterisation.

Technologies and capabilities

  • Gallium Arsenide / GaAs
  • Indium Phosphide / InP
  • Photonics

MBE epitaxy; MOCVD epitaxy; Epitaxial design; Wafer test and characterisation

Markets served

  • Telecommunications
  • Datacoms
  • LiDAR
  • Quantum
  • Defence

UK presence

Glasgow, Scotland. Part of the Scotland cluster.

Sources and verification

Last verified: 2026-09-29