An independent British Electronic Warfare System Company, part of the AAI Corporation.

ESL Defence has developed a unique range of RF and Electro-Optic Stimulators and Flight Line Test Sets for military airborne applications. In addition, the Company specialises in EW related research, study and in-service support activity on behalf of UK Government agencies and to Prime Contractors both in the UK and overseas.

ESL Defence is situated at Hamble in Hampshire and employs a team of EW Systems specialists, Software and Product Design Engineers. The Company has ISO 9001:2000 accreditation and appropriate UK security clearances.