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Developing, delivering, and supporting advanced, open, and cost-effective defence solutions that make our world safer

Engineered to Protect. It's what we do.

SEA is a Cohort Plc Company

We are SEA. Together, through teamwork, collaboration and innovation, we’re delivering operational advantage to our customers while building a more sustainable future for all.

Our Expertise

Frigate Engineering Frigate Icon Ship & Fleet Protection
Astute Submarine 4 Submarine Icon Undersea Battlespace
Type 23 Frigates X2 Advanced Technology Integrated Maritime Systems
Maritime Support Services Future Thinking Maritime Support & Services
Soldier Weaponry Soldier Land & Littoral

Latest News

SEA Torpedo Launcher Systems: Delivering Maritime Security Across the Globe 11 Nov 2025 SEA Torpedo Launcher Systems: Delivering Maritime Security Across the Globe Our Torpedo Launcher Systems are helping navies maintain maritime security with flexibility, reliability and long-term support. Read more
SEA Proudly Sponsors Somerset Festival of Remembrance at Wells Cathedral 29 Oct 2025 SEA Proudly Sponsors Somerset Festival of Remembrance at Wells Cathedral This special one-off event marks the 80th anniversary of the end of the Second World War, commemorating the stories and sacrifices of the people of Somerset during that pivotal time in history. Read more
Five Minutes With George Hawke 21 Oct 2025 Five Minutes With George Hawke To stay cutting edge, we know that improvement never stops. Governing that charge for SEA is Continuous Improvement Lead, George Hawke. We spoke with him to find out more about the pivotal role he plays.   Read more
SEA Wins Prestigious North Devon Manufacturing Association Awards 17 Oct 2025 SEA Wins Prestigious North Devon Manufacturing Association Awards SEA was recognised across multiple categories: Team of the Year, Product of the Year, Outstanding Individual of the Year and Manufacturer of the Year. Read more

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Our Accreditations

Image of partnerships SEA Ltd hold. These include, Women in Defence Charter, Disability Confident, Cyber Essentials Plus, Association for Project Management, Women in Engineering Society

Head Office Address
Systems Engineering & Assessment Ltd,
Beckington Castle, 17 Castle Corner, Beckington, Frome, Somerset BA11 6TA

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