Defence and Security Equipment International 2027
7 September 2027 – 10 September 2027
ExCeL London, London, United Kingdom
DSEI UK is a defence and security exhibition held at ExCeL London, presented by the organiser as the flagship defence event for the UK, bringing together exhibitors, international delegations and senior military and government figures across the aerospace, land, naval, space, tech, manufacturing and medical domains. The 2027 edition's overarching theme is 'Delivering the Integrated Force', announced by the UK Chief of the Defence Staff and the National Armaments Director.