Engineering excellence through life

Systems Engineering & Assessment Ltd (SEA) delivers electronic systems to the defence, transport and offshore energy markets using skills and knowledge in Naval Combat Systems, Dismounted Soldier Operations, Traffic Enforcement 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.


  • Maritime
    Combat Systems Read more

    SEA supplies a range of Maritime Combat System equipment and associated through-life support. Our expertise includes communications, launchers and sensor systems plus network infrastructure.

  • Soldier
    Systems Read more

    SEA has an established pedigree in Soldier Systems research and experimentation since 2003, having been the lead partner for Dstl's Close Combat research programmes.

  • Simulation
    & Training Read more

    SEA develops Simulation & Training for UK and international customers, offering a full lifecycle capability from Training Needs Analysis through to system support.

  • Subsea
    Solutions Read more

    SEA provides proactive, responsive and cost-effective Subsea Solutions for design, engineering, operational support and maintenance for the production controls market.

  • Air
    Systems Read more

    SEA provides extensive Air Systems expertise to defence equipment and support teams for certification, regulation, safety management and specialist technical support.

  • Capability
    Development Read more

    SEA provides high quality Capability Development subject matter expertise to improve operational capability and reduce the risk and costs of introducing a new capability into service.

  • Human
    Factors Read more

    SEA provides Human Factors and Ergonomics services in defence and commercial sectors. We enhance the integration between people, processes and technology, and provide support and insights to enhance organisational capabilities.


  • 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.