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Specialising in subsea cable, marine engineering and diving services 

Irish Sea Contractors is an innovative and dynamic organisation, specialising in subsea engineering. The services we offer include subsea cable installation, burial and protection services, cable repair and maintenance, offshore energy services, and marine engineering and diving services.

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 of engineers, divers, dive mechanics, welder fabricators and electricians.

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

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Subsea Cable Installation

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

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Subsea Cable Repair and Maintenance

Repairing cables on the seabed using our new solution AERSUB™


Offshore Energy Services

Supporting the construction, operations and maintenance of offshore energy projects


Marine 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

Our clients
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