Cohort Plc is a holding company. Its business segments are Chess, EID, MASS, MCL, and SEA. It provides a range of services and products for the United Kingdom, Portugal and international customers in defense and related markets. Chess Technologies, through its operating businesses Chess Dynamics and Visoin4ce offers systems and technologies for detecting, tracking, classifying and disrupting naval, land and air threats. EID designs and manufactures advanced communication systems for the global defense and security markets. MASS is a specialist defense and technology business, focused mainly on electronic warfare, information systems and cyber security. MCL is engaged in sourcing, designing and integration of communications and surveillance technology, as well as support and training for end users including the Ministry of Defense (MOD) and other government agencies. SEA is an advanced electronic systems and software house operating in the defense, transport and offshore energy markets.