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Subsea cable installation UK

SIMPLY MAKING SUBSEA WORK

Subsea cable services | IRM services | Marine civil engineering

Irish Sea Contractors is an innovative and dynamic organisation, specialising in subsea engineering. The services we provide are subsea cable services, inspection, repair and maintenance (IRM) services, and subsea engineering services. We deliver onshore and offshore projects for clients operating in telecommunications, offshore renewables, oil & gas, power, shipping, and ports.

We believe that “anything you can do on land, we can do under the sea”. To deliver on this, we use a combination of technology advancement, an innovative spirit to think outside the box and a highly skilled team.


We have a reputation for solving complex problems and delivering high quality projects in a safe and timely manner. Irish Sea Contractors has worked on projects across the world and our team has over 100 years’ of experience working in this industry. You can trust that if you partner with us, you will be getting the best solution delivered by an experienced, highly-skilled team.

What we do

Power cable installation Moneypoint

Subsea Cable Installation

Nearshore and shallow water cable installation, pull-in, burial and protection services

Subsea cable repair with AERSUB

Subsea Cable Repair and Maintenance

Repairing cables on the seabed using our new solution AERSUB™

O&M Services on Offshore Windfarm UK

Offshore Energy Services

Supporting the construction, operations and maintenance of offshore energy projects

Diving project in Greenore Port

Marine civil engineering & diving services

A variety of services such as inspections, surveys, repairs, outfall pipe installation, bridge repairs, port IRM,  and vessel classified surveys and repairs

Fibre optic cable installation project UK
Our clients
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