One of the UK's leading electrical and mechanical service providers.

Bespoke, innovative and flexible designs to maximise your project.

01792 701 256

Our Skills. Our Commitment. Your Vision Realised.

Welcome to one of the UK’s leading building services companies. Welcome to a world where design, engineering and maintenance mean exceptional outcomes for today and tomorrow.

For over 30 years, RDM has been dedicated to realising the aims and ambitions of all of its clients. Offering a full range of Electrical, Mechanical and Maintenance services, we design and install innovative engineering solutions for every kind of construction challenge, whatever its size, scope or complexity.

We have the resources, processes and experience to deliver on the potential of any project and our highly-skilled teams are committed to working closely with clients to guarantee that the future they require gets realised.

Welcome to a future, well-engineered.

Welcome to RDM.

An extensive range of services nationwide

Electrical & mechanical installations
Electrical & mechanical maintenance contracts
Bespoke design & project management
Test & inspection services
Specialist Fire Protection Systems
Emergency lighting contracts
Dedicated and responsive service
Committed to health & safety
Cost-effective electrical / mechanical packages
The latest technological advancements
Apprentices Employed
Years in Industry

Our Latest Projects

Latest Updates at RDM

We are pleased to announce the securing of a major project at one of our MoD sites. This complex, innovative project is for the full refurbishment of a critical training facility. Design work is currently underway, ready for a start early in the new year.

It’s always great to get some positive feedback from those we undertake work for! Recently, we’ve had some of our dedicated staff singled out for praise for going the ‘extra mile’ by our much-valued clients at the MoD. Find out more, here:

An exciting and inspiring presentation from @ConstructionCLC!
Time for a big step change in the #BuiltEnvironment sector - fresh thinking, innovation and passion to achieve our #netzerocarbon targets.
@ECALive @janeanndawson2 @CICtweet


It's been a great day at #COP26
Some excellent presentations - plenty of food for thought, especially as it's #BuiltEnvironmentDay
We're excited to be part of the journey in achieving #NetZero
@ECALive @janeanndawson2 @Actuate_UK


We are delighted to announce that EFT Consult/Raven Delta (RD) Group was recognised at the 2020/21 ECA Industry Awards, held on Friday October 22, at the London Hilton Bankside Hotel. Find out more, here: