Relay Engineering

Established over 30 years ago, Relay Engineering has grown into a leading specialist service provider operating across the marine, oil, and gas industries. As part of Denholm Energy Services since 2006, we deliver turnkey project solutions spanning electrical, mechanical, and structural engineering disciplines. Our expertise extends to new builds, repair, and maintenance projects, supported by a highly skilled team of over 300 personnel and state-of-the-art facilities in Plymouth, Portsmouth, Falmouth, and Portland. With overseas operations in Bahrain, Saudi Arabia, and Kazakhstan, we mobilise flexible, multi-skilled teams to any location onshore, offshore, or at sea. Our CONDO-cleared staff enable deployment to military-controlled areas, while our commitment to training ensures compliance with industry standards.

We serve major defence contractors and diverse clients, maintaining workshops in key UK locations and a subsidiary in Kazakhstan. Our integration within Denholm Energy Services positions us to execute complex projects globally, leveraging a workforce of 4,000 across the group. We specialise in asset maintenance, fabrication, decommissioning, and precision engineering, adhering to rigorous safety and quality protocols. Our modern facilities include advanced metrology labs, fabrication workshops, and non-destructive testing capabilities, ensuring solutions meet exacting specifications. This heritage of technical excellence and global reach establishes us as a trusted partner for demanding engineering challenges.