Specialist Engineering, Welding & Fabrication Services

Steel frame buildings, bridges, towers, gantries and pipelines

Mona Group have an experienced and multi-skilled in-house design and engineering facility. We can design, engineer and manufacture a variety of plant, and work in a wide range of sectors, from nuclear and renewables to infrastructure, marine, rail & transport, manufacturing and water treatment.

We undertake the majority of our fabrication work at our 17,000 square foot facility in Llangefni, Anglesey.

Our areas of operation and expertise extend – but are not limited – to:

• Modular, high-quality, steel-frame building for industrial and commercial clients
• Access platforms
• Cradles
• Bridges – road, rail, cycle and foot bridges
• Pipelines
• Radar towers, mobile phone and telecommunications masts
• Towers and pylons for wind turbines
• Tanks and tubular products
• Engineered solutions for the renewables sector
• Engineered solutions for the nuclear industry
• Cranes, spreader beams and counter balance beams – for more information please see our cranes section
• Specialist welding

From concept – using our 3D CAD facility using Finite Element Analysis (FEA) or manual calculation – to fabrication, installation and testing, Mona Group provide an end-to-end engineering service.

If you have an engineering project or requirement you would like us to assist with then please contact us to discuss.

Welding & testing

Mona Group provide TIG, MIG, SAW and MMA welding as well as plasma cutting; working with carbon steel, stainless steel and aluminium. Our factory production control system for manufacturing and welding structural steel components is accredited to BS EN 1090 Execution Class 3 and BS EN 3834-3. Our welding procedures conform to BS EN 15614 and our coded welders are qualified to BS EN 9606.

A traceable and accountable service

Our internal management processes are accredited to ISO 9001 Certification for Quality Management, ISO 45001 Certification for Health and Safety, and ISO 14001 Certification for Environmental Management to minimise and maintain our environmental impact.

For the nuclear industry work to LTQR (Lifetime Quality Record) standards for full traceability from conception to installation; with non-destructive testing and welding inspection undertaken as required. Our installations are typically manufactured to Quality Grades 2 to 4. Our engineering design services are backed by £2m professional indemnity insurance.