The Scottish semiconductor cluster

Edinburgh design centre of Allegro MicroSystems, developing analogue and mixed-signal power-management ICs and motor drivers.

Analogue / Mixed-Signal Design · Musselburgh

UK operation of Allegro MicroSystems, Inc.

Scottish operation of the TUV NORD ALTER Technology group providing semiconductor component qualification, screening, test, failure analysis and microelectronic assembly services for space, defence and high-reliability applications.

Back-End Assembly / Packaging · Edinburgh

UK operation of TUV NORD ALTER Technology (Spain / Germany)

Glasgow-registered infrared detector specialist growing III-V epitaxial material and designing infrared detector and avalanche photodiode devices, operating alongside an affiliated United States business.

Detectors / Imaging Devices · Glasgow

UK operation of Affiliated with Amethyst Research Inc. (US)

Edinburgh design operation and Hayes office of Analog Devices, the analogue and mixed-signal semiconductor manufacturer.

Analogue / Mixed-Signal Design · Edinburgh

UK operation of Analog Devices, Inc.

Cumbernauld analogue, mixed-signal and radio-frequency integrated circuit design consultancy providing semiconductor design and project management services.

Analogue / Mixed-Signal Design · Cumbernauld

Semiconductor company with a substantial Edinburgh design centre developing audio and mixed-signal chips, originating in the former Wolfson Microelectronics business.

Analogue / Mixed-Signal Design · Edinburgh

UK operation of Cirrus Logic, Inc. (United States)

Fife-based pure-play silicon carbide wafer foundry providing device fabrication for power semiconductor customers developing SiC diodes and transistors.

Foundry / Wafer Fabrication · Lochgelly

Glenrothes manufacturer of photomasks and reduction reticles for semiconductor, MEMS, compound semiconductor and optoelectronic wafer fabrication; part of the US-owned MacDermid Alpha group.

Front-End Semiconductor Manufacturing · Glenrothes

UK operation of MacDermid Alpha Electronics Solutions

Edinburgh fabless company developing battery-cell monitoring chips with contactless communications.

Fabless Semiconductor Design · Edinburgh

Glasgow-based fabless semiconductor company designing USB and interface bridging chips together with the supporting driver software used by equipment makers.

Fabless Semiconductor Design · Glasgow

Designs and manufactures solid-state gas sensors using an in-house molecular beam epitaxy platform in Cumbernauld.

Photonic Semiconductor Devices · Cumbernauld

Livingston company providing thin-film optical coatings for laser diodes together with back-end wafer processing services including thinning, lithography and reactive ion etching.

Back-End Assembly / Packaging · Livingston

Refurbishment of semiconductor process equipment assemblies to OEM specification.

Semiconductor Equipment Services / Supply · Carluke

Blantyre operation manufacturing and refurbishing gas and fluid delivery systems, valves and precision-machined components for semiconductor fabrication equipment makers.

Semiconductor Manufacturing Equipment · Blantyre

UK operation of Ichor Systems, Inc. (United States)

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

Epitaxy · Glasgow

Edinburgh design centre of indie Semiconductor, developing mixed-signal and automotive sensing silicon.

Analogue / Mixed-Signal Design · Edinburgh

UK operation of indie Semiconductor, Inc.

Paisley manufacturer of optical in-situ process monitoring and control instruments, including etch depth monitors and wafer vision systems used in semiconductor and thin-film production.

Metrology / Inspection · Paisley

Bathgate provider of ion implanter refurbishment, spares and field service to semiconductor fabs and foundries.

Semiconductor Equipment Services / Supply · Bathgate

UK operation of Ion Beam Services (France)

Develops high-speed interconnect chips and chiplet IP, with UK offices in East Kilbride and Reading.

Fabless Semiconductor Design · East Kilbride

Glasgow company providing commercial access to university nanofabrication facilities, including electron-beam lithography and device processing services.

Foundry / Wafer Fabrication · Glasgow

University of Glasgow spin-out designing cryogenic analogue and mixed-signal integrated circuits on standard CMOS processes, together with control and readout electronics for quantum processors operating near absolute zero.

Analogue / Mixed-Signal Design · Glasgow

Dalgety Bay facility designing and manufacturing high-resolution ferroelectric liquid crystal on silicon microdisplays and spatial light modulators for defence, medical and industrial imaging.

Photonic Semiconductor Devices · Dalgety Bay

UK operation of Kopin Corporation (United States)

Clydebank-area manufacturer of precision lapping, polishing, chemical-mechanical polishing, cutting and bonding equipment used in semiconductor and compound semiconductor wafer processing. Unrelated to the computer peripherals company of the same name.

Semiconductor Manufacturing Equipment · Old Kilpatrick

UK operation of AMETEK

Scottish supplier of etch, deposition and vapour-release equipment for semiconductor and MEMS fabs.

Semiconductor Manufacturing Equipment · Livingston

Glasgow company developing metasurface colour-filter technology applied to CMOS image sensor chips, intended to replace conventional filter arrays and improve sensitivity.

Detectors / Imaging Devices · Glasgow

Edinburgh developer of embedded MEMS structures within standard CMOS chips for sensing, RF and silicon-photonics applications.

MEMS / Sensors · Edinburgh

Glasgow university spin-out developing tunnelling magnetoresistance magnetic sensor integrated circuits and custom application-specific integrated circuits for wearable and extended-reality products.

MEMS / Sensors · Glasgow

East Kilbride business specialising in refurbishment, lens optimisation, installation, decommissioning, resale and training for semiconductor lithography steppers and scanners, serving fabs in the United Kingdom and internationally.

Semiconductor Manufacturing Equipment · Wishaw

United Kingdom operation of NXP Semiconductors, including an established technology centre at East Kilbride covering automotive and internet-of-things semiconductor product development and research.

Analogue / Mixed-Signal Design · East Kilbride

UK operation of NXP Semiconductors N.V. (Netherlands)

UK operation of Pfeiffer Vacuum+Fab Solutions, with Scottish service facilities supporting semiconductor vacuum and abatement systems.

Vacuum / Process Equipment · East Kilbride

UK operation of Busch Group

Edinburgh company designing and supplying single-photon avalanche diode cameras and custom sensor systems for photonics research, quantum optics and life science instrumentation.

Detectors / Imaging Devices · Edinburgh

Scottish fabless photonics company designing photodetectors, LEDs and laser diodes from ultraviolet to infrared wavelengths, using external foundries for volume production.

Photonic Semiconductor Devices · Livingston

Glasgow company designing, simulating and fabricating advanced semiconductor wafer- and package-test hardware, including probe cards and automated test equipment interfaces, for communications, artificial-intelligence processor and automotive chip customers.

Test / Probe Equipment · Glasgow

Glasgow company designing, fabricating and testing niobium-based superconducting quantum processors, resonators and sensors, working from the James Watt Nanofabrication Centre; a University of Glasgow spin-out.

Quantum Semiconductor Devices · Glasgow

East Kilbride manufacturer of quartz components and thermocouples for semiconductor, solar and fibre-optic markets.

Semiconductor Materials · East Kilbride

Scottish company providing semiconductor component recovery, reballing, testing and supply-chain services to electronics manufacturers and fabs.

Semiconductor Test · Coatbridge

Fabless company referencing neuromorphic artificial intelligence chip design, registered in Edinburgh with recruitment activity in Cambridge.

Processor / Accelerator Design · Edinburgh

Supplies vacuum deposition and etch equipment, spares and consumables to silicon, MEMS and compound semiconductor manufacturers.

Semiconductor Equipment Services / Supply · Langbank

Manufactures polished and epitaxial silicon wafers at Livingston for semiconductor device fabrication.

Wafers / Substrates · Livingston

UK operation of Shin-Etsu Handotai (Shin-Etsu Chemical)

Glenrothes silicon wafer foundry offering specialist process development, discrete device and MEMS fabrication on small and medium wafer sizes.

Foundry / Wafer Fabrication · Glenrothes

Glasgow company developing and licensing CMOS device and technology IP, transistor simulation modules and cryogenic compact models, alongside TCAD consultancy for semiconductor manufacturers.

Semiconductor IP · Glasgow

Edinburgh company developing single-photon avalanche diode image sensors with on-chip processing for scientific, medical and industrial imaging; spun out of the University of Edinburgh.

Detectors / Imaging Devices · Edinburgh

Blantyre III-V compound semiconductor laser and photonic chip maker and foundry, part of Sivers Semiconductors; formerly CST Global.

Semiconductor Lasers · Blantyre

UK operation of Sivers Semiconductors AB (Sweden)

Manufactures single-frequency ultraviolet lasers in the Edinburgh area for semiconductor wafer inspection and metrology.

Semiconductor Equipment Components · Ratho Station

Edinburgh company developing radio-frequency MEMS components and beam-steering antenna systems for satellite communication terminals.

RF / MMIC Design · Edinburgh

Edinburgh design centre of STMicroelectronics, developing CMOS imaging, photonic sensing and meta-optics sensor technology as part of the group global imaging division.

Detectors / Imaging Devices · Edinburgh

UK operation of STMicroelectronics N.V.

West Dunbartonshire manufacturer of wire-saw wafer-slicing consumables, wire guides and wafer-handling and cleanroom equipment for silicon wafer producers.

Semiconductor Materials · Alexandria

Glasgow company developing photonic crystal surface-emitting laser technology for optical communications, sensing and industrial applications.

Semiconductor Lasers · Glasgow