IQE - uniquely positioned as the scaled global epitaxy leader

As the world’s only pure play epitaxy provider with a global footprint , we are critical enablers of the digital world. IQE’s operations are geographically diversified at sites across three continents, offering customers the industry's broadest product portfolio, supply security and scalability.

Where we operate

Our site capabilities

IQE manufactures using Metal Organic Chemical Vapour Deposition (MOCVD), Chemical Vapour Deposition (CVD) and Molecular Beam Epitaxy (MBE) technologies as well as Czochralski (Cz/LEC) and Vertical Gradient Freeze (VGF) techniques for the production of substrate materials. A production breakdown can be found in the site capability matrix below. For more information please see Innovation.

Our Site Capabilities & Technologies




Cz/LEC substrates

VGF substrates



Cardiff, UK (HQ)
Newport, UK
Milton Keynes, UK 
Spokane, WA, USA 
Taunton, MA, USA
Greensboro, NC, USA