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What we do: Text


Subsea cable installation | Subsea cable repair & maintenance |

Offshore energy services | Marine & diving services

Irish Sea Contractors is ready to fulfill your specific project’s needs. Whether you're looking for shipping repairs or cable landings, get in contact with our team today to discuss your project.

We deliver subsea cable, marine civil engineering and IRM services for clients across industries such as telecommunications, offshore renewables, oil and gas, shipping, ports, and consulting engineers. The services we provide include:

  • Subsea cable installation and protection services

  • Subsea cable repair and recovery services

  • Inspection, repair and maintenance services for subsea cables, vessels, ports, oil and gas, and offshore windfarms

  • Marine civil engineering and diving services

​Our team has over 100 years' experience working in the marine industry, and we have a track record in solving complex subsea challenges for our clients. Click here to view our project examples.


Subsea cable installation


Subsea cable repair & maintenance


Offshore wind services

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Marine civil engineering & diving services

Specialist equipment

Irish Sea Contractors operate our own marine specialist equipment. To ensure our assets are maintained and certified to the highest standard, we use "Namaka Asset Management System".

Some of our specialist equipment include: 

  • D023 containerised offshore dive systems 

  • Mobile air diving units

  • LARS (launch and recovery systems) 

  • Trenchers – capable of simultaneous lay and trench or post-lay burial arrangements, with up to 3 m burial capability 

  • Cable repair habitat - AERSUB™

  • Various workboats 

  • Buoyancy aids

  • Cable engines

  • Winches/Rollers/Quadrants 

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Our clients
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