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About Us

Our activities are focused on the Defence, Aerospace, Transport and Offshore markets. We specialise in providing systems engineering solutions to Government and Industry, maintaining and developing our knowledge and skills base to match the expanding boundaries of technology and operational demands. Acting as prime contractor or team member SEA is capable of fulfilling many roles including those of research, technical and process support, system and product design and equipment manufacturer.


Our core competencies lie in providing:

  • Networking solutions
  • Secure communications
  • Sensor systems
  • Advanced digital signal processing
  • Data and information recording, analysis, management and fusion
  • Synthetic environments for training and simulation

SEA has become established as a partner of choice by government agencies, leading industrial prime contractors, SMEs and academia and has designed systems and products for a diverse range of platforms including submarines, surface ships, satellites, fixed wing aircraft, helicopters and road vehicles.

SEA was founded in 1988. In October 2007 the company was acquired by Cohort plc.  It employs 260 people and has an annual turnover of £34 million.

Cohort - www.cohortplc.com

MASS - www.mass.co.uk

SCS - www.scs-ltd.co.uk

Annual Report and Accounts

Click to view Cohort plc Annual Report and Accounts 2008 (pdf 1.3mb) or visit the Cohort plc web site www.cohortplc.com