Cohort plc ( www.cohortplc.com ) is the parent company of six innovative, agile and responsive businesses based in the UK, Germany and Portugal, providing a wide range of services and products for domestic and export customers in defence and related markets. Chess Technologies, through its operating businesses Chess Dynamics and Vision4ce, offers surveillance, tracking and fire-control systems to the defence and security markets. It was acquired by Cohort plc in December 2018. www.chess-dynamics.com & www.vision4ce.com EID designs and manufactures advanced communications systems for naval and military customers. Cohort acquired a majority stake in June 2016. www.eid.pt