Precision engineering for critical infrastructure
3RS Engineering Ltd are a civil, mechanical and marine engineering contractor who successfully manage and deliver complex engineering solutions for infrastructure projects across the UK and Ireland.
A contractor built on engineering know-how
With over 100 years of combined experience in construction and engineering, our team designs, manufactures and installs engineered solutions for new-build, maintenance and refurbishment works — from temporary works and structural jacking to bearing and expansion-joint replacement, heavy lifting and EN1090 fabrication. We take on high-consequence structures where reliability and accreditation matter most.

Years of combined engineering experience
Managed from conception to completion
Infrastructure delivered nationwide
Five engineering disciplines under one roof
From temporary works and structural jacking to bearing replacement, heavy lifting and bespoke fabrication — designed, manufactured and installed by one accountable team.
The principles behind every project
Safety first
We plan and deliver complex works around live, operational assets with safety at the centre of every method statement and lift.
Engineering quality
Accredited processes and EN1090 (EXC3) fabrication underpin work that simply has to perform — first time, every time.
Practical collaboration
Early, honest input from people who understand buildability, programme and cost — not just what looks right on paper.
Proven reliability
A track record on landmark structures where reliability, accreditation and getting it right matter most.
Accredited, audited and trusted
Independently certified quality, environmental and safety standards stand behind everything we design, fabricate and install.





Let’s build something that lasts
Whether you have a project in mind or want to join the team, we’d like to hear from you.