Business Details
37 Years
experience
Emergency
services
Your Trusted Partner for Engineering Solutions in Plymouth
Established in 1989, Relay Engineering has built a reputation as a market leader in delivering turnkey engineering solutions across the marine, oil, and gas industries. Our expertise spans electrical, mechanical, and structural engineering, supported by a highly skilled workforce and state-of-the-art technology. With operations in the UK, Middle East, and Caspian regions, we provide scalable services from concept design to final delivery, ensuring compliance with exacting standards. Our flexible teams mobilise rapidly to onshore, offshore, or maritime locations, including military-controlled areas with CONDO-cleared personnel.As part of Denholm Energy Services, we leverage global resources to support complex projects, backed by continuous workforce training and certifications like Lloyds Register for coded welding. Our UK workshops in Plymouth, Portsmouth, and Aberdeen serve as hubs for fabrication, metrology, and precision engineering, ensuring timely, budget-conscious delivery for clients ranging from defence contractors to energy sector leaders.
Services
Electrical Engineering
Mechanical Engineering
Metrology & Calibration
Thermal Insulation
NDT Services
Details
- Year established: 1989
Highlights and features
- We have over 30 years of experience in marine and oil & gas engineering sectors.
- Our CONDO-cleared personnel can deploy to military-controlled areas immediately.
- We operate ISO-certified workshops with state-of-the-art fabrication technology.
- Our workforce undergoes continuous training to meet industry standards.
- We provide 24/7 mobilisation capabilities for urgent engineering requirements.
Associations and certifications
- Lloyd's Register
Services
Electrical Engineering
We design and install complex electrical systems for marine, industrial, and commercial applications. Our services include power distribution, fire detection, CCTV, and data telecoms. With certified engineers and mobile workshops, we deliver turnkey solutions from concept to commissioning, ensuring compliance with hazardous area standards and client specifications.
Mechanical Engineering
Our mechanical engineering covers pipework installation, pump/valve repair, and engine maintenance for vessels and industrial sites. We handle complete lifecycle projects from design to decommissioning, using crimped or welded systems in steel, CuNi, and stainless steel, with rapid mobilisation to any location.
NDT Services
We provide ultrasonic, magnetic particle, and radiography testing for flaw detection in critical assets. Our certified engineers perform visual, X-ray, and dye penetrant testing to ensure structural integrity, supporting compliance with industry standards for welds and mechanical components.
Thermal Insulation
We install thermal and acoustic insulation for pipework, vessels, and tanks across temperature ranges from -180C to 1000C. Our solutions include calcium silicate, mineral fibre, and phenolic foam materials, designed to enhance energy efficiency and personnel safety in industrial environments.
Metrology & Calibration
Our UKAS-certified laboratories offer calibration of electrical, pressure, temperature, and gas equipment. Mobile field calibration services ensure asset accuracy, with repair capabilities for faulty instruments, supporting compliance in marine, oil, and gas operations.
Questions
What industries does Relay Engineering Engineering serve?
We primarily serve marine, oil & gas, and defence sectors with mechanical, electrical, and structural engineering solutions.
Do you offer emergency engineering services?
Yes, our flexible workforce mobilises immediately for urgent requirements onshore, offshore, or at sea.
Where are your operational bases located?
We operate from the UK (Plymouth, Portsmouth, Aberdeen), Bahrain, Saudi Arabia, and Kazakhstan.
Are your engineers certified for specialist work?
Our welders hold Lloyd’s Register certifications, and we maintain CONDO clearance for military deployments.
How long has Relay Engineering Engineering been in business?
We were established in 1989 and have over 30 years of engineering expertise.
