Company Profile

United Monolithic Semiconductors (UMS) is the European leader in offering RF MMIC products and foundry services for specialised markets, including Defence and Space, telecommunications, automotive radar and industrial sensors.


With major locations in both France and Germany and a network of sales offices and representatives supporting a global customer base, the Company has a key position as a strategic supplier to the European Defence and Space industries.

UMS has a comprehensive offer based on the supply of either ASIC or catalogue products, in the main based on the Company’s internal III-V technologies and through the provision of a comprehensive foundry service, allowing customers to directly create their own product solutions. The full range of catalogue products from DC to 100GHz is based on GaAs, GaN, SiGe technologies and encompasses power amplifiers up to 200W, mixed signal functions, very low noise amplifiers, and complete transceiver systems. These products are offered in die form but are more commonly packaged and in multichip module form.

Our in-house GaAs and GaN processes provide the technology platform to allow the design of our leading edge products  and form the basis of our foundry service offer to external design centres.

Continuous and customer led innovation is at the heart of UMS’ continuing success. UMS has strong relationships with many of the major R&D centres and Universities throughout Europe, actively participating in many advanced and collaborative developments to create the technologies and products needed for future markets.

UMS has a reputation for and a long heritage of supplying high quality products to the most demanding markets and is certified ISO 9001, ISO 14001 and IATF 16949. The majority of the UMS III-V internal technologies is approved for Space use and form part of the ESA EPPL list.