Land and Sea. UK design and manufacture of Power conversion and distribution for over 50 years


Standard, Heavy Duty and Custom PSU’s for today‚Äôs demanding requirements


Medical products need a reliable PSU. Open Frame, external, standard and custom power


Products for Trackside and onboard applications

About Us

Gresham Power Electronics Limited design and manufacture a variety of best-in class, high density power solutions for the Military and Commercial markets. Here in the UK our primary product lines are Power Conversion and Distribution Equipment for Naval and Military Applications.

Power Supply Design and Manufacturing

At Gresham Power Electronics we have been designing and manufacturing power supplies for more than fifty years.

Our heritage is as a defence, power supply systems manufacturer primarily for the Naval sector. Today we offer a great deal more, supporting defence capabilities for Land and Sea systems. We can offer Standard, COTS and Application Specific solutions for a wide range of demanding applications.

Power Supply Distribution

Gresham Power Electronics is a complete PSU solution provider for a wide range of markets.

We are able to offer both our own manufactured and partners’ products for Medical and Industrial systems, LED Drivers, Power over Ethernet (PoE), Off shore and much more.

Working in partnership with a number of industry leading PSU manufacturers we retain our commitment to offer Gresham Power Electronics partners’ best-fit technical and commercial solution to their power supply requirements.

Latest News

Latest Tweets

ISO Certification

View our ISO Certification

Gresham ISO Certification (714KB)



PBSI 2019 Download

Download Greshem Brochure 2017

Download PBSI 2019 (1813 KB)

Authorised Yuasa Distributor

View Yuasa products datasheets

View Datasheets