About Us

Established over 30 years ago, Relay was incorporated in 1989 as Relay South-West, later changing its name to Relay Engineering in January 2007. In 2006 Relay was acquired by The Denholm Group and is now an integral part of Denholm Oilfield Services which has operations in the Caspian, Middle East, UK and USA.

Relay continues to provide mechanical, electrical and constructive engineering solutions to the marine, oil and gas sectors. We have branches in the UK and Middle East, and a subsidiary company, Relay Zholdas in the Republic of Kazakhstan.

Relay employs over 300 personnel, with skilled individuals in the mechanical and electrical trades. Our teams are flexible and multi-skilled allowing rapid deployment worldwide.

We are a preferred supplier to a number of major defence contractors and with a range of other distinctive and diverse customers.

We recognise that our workforce significantly contributes to the service we provide to our customers. We undertake regular training and development to ensure our workforce has the necessary competences or skills to work safely, to meet customer quality requirement to ensure they remain current with industry standards and working practices.

With offices and workshops located in Plymouth, Portsmouth, Falmouth and Portland we are ideally located to support the defence and marine sectors in the UK. Our registered branches in Bahrain and Saudi Arabia enable us to provide core services to the Middle East.

Our head office and main workshop is based in Plymouth where we have an extensive workshop and storage facilities. Our subsidiary company Denholm Engineering Limited workshop is based in Aberdeen servicing the Oil and Gas sector.  Now a member of Denholm Oilfield Services we are well positioned to carry out complex turnkey projects.

Denholm Oilfield Services is an international service provider providing leading edge multi-disciplinary services principally to the oil and gas sector including:

  • Asset maintenance
  • Heavy and light fabrication
  • Decommissioning
  • Decontamination
  • Electrical and installation
  • Energy logistics
  • HP/UHP cleaning
  • Metrology and calibration
  • Precision engineering, machining and welding
  • Valve sales, management, service, repair and maintenance

Denholm Oilfield Services employs 4,000 people delivering safe, reliable, innovative solutions across to the oil and gas sector with bases in the UK, Caspian, Middle East and USA.