Engineering excellence through life

SEA delivers electronic systems to the maritime, transport and oil & gas markets using skills and knowledge in Naval Combat Systems, Dismounted Soldier Operations and Subsea Engineering.

Operating across the whole product life cycle, SEA provides research, development, manufacture, training solutions and support of complex systems. SEA provides independence, agility, reliability and value for money.

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Featured News:

Cohort final results for the FY ended 30 April 2016

Cohort plc announces its final results for the year ended 30 April 2016 and the acquisition of 56.89% of the share capital of Empresa de Investigação e Desenvolvimento de Electrónica, S.A. “EID”


  • Maritime Combat Systems

    SEA provides a range of equipment support services, from low level spares, repair and overhaul to full asset responsibility including inventory management, mid-life obsolescence and capability upgrades.

  • Research & Technical Support

    SEA has continued to successfully deliver value-for-money exploitable research to the Ministry of Defence (MoD).

  • Simulation and Training

    SEA develops and delivers Enterprise System application software packages to support business processes, information flows, reporting, and data analytics for complex organizations such as Network Rail.

  • Subsea Solutions

    SEA provides proactive, responsive and cost-effective solutions for design, engineering, operational support and maintenance of subsea equipment, primarily related to the subsea production controls market.


  • I joined SEA direct from university and am one of a number of long serving employees. Over the years SEA has presented me with numerous exciting and challenging opportunities, enabling me to develop my career and take on a senior role within the company.


We are recruiting

We employ high-calibre staff and place our emphasis on quality of service, innovation, flexibility and a creative approach to problem solving.