When and where is DSEI UK 2027?

7 to 10 September 2027 at ExCeL London, Royal Victoria Dock, 1 Western Gateway, London E16 1XL.

Who can attend DSEI UK?

It is open to official delegations, exhibitors' guests, VIPs, the Ministry of Defence, UK and overseas government visitors, media and trade visitors engaged in defence and associated industries. Nobody under 18 is admitted.

Everyone, including invited guests, must pre-register on the DSEI UK website and pass a security clearance process. At the 2025 edition there was no onsite registration, and visitor pre-registration carried a non-refundable administration fee.

Zones for aerospace, land, naval, space, tech, manufacturing and medical, plus international pavilions, visiting warships, waterborne demonstrations and static displays.

Security · Exhibition

DSEI UK 2027

Name: DSEI UK 2027
Start: 2027-09-07T09:00:00+00:00
End: 2027-09-10T17:00:00+00:00
Location: ExCeL London

The UK's flagship defence and security exhibition, joining governments, armed forces and industry across every domain.

7–10 September 2027 · Tue – Fri
ExCeL London · London, United Kingdom
Registration open · on www.dsei.co.uk

About this event

DSEI UK is the United Kingdom's flagship defence exhibition and one of the largest gatherings of the global defence and security industry. Held at ExCeL London on the Royal Victoria Dock, it brings ministries of defence, official delegations, the UK front line commands and the supply chain together across land, sea, air, space and cyber, with a dockside setting that lets warships and waterborne demonstrations sit alongside the show floor.

Who attends

Admission is restricted to people working in legitimate areas of defence and related industries, and every visitor is pre-registered and security-cleared.

Official international delegations and ministries of defence
UK Ministry of Defence and all UK Front Line Commands
Government visitors from the UK and overseas
Defence primes, SMEs and supply-chain companies
Procurement organisations, defence colleges and research establishments
Trade visitors and accredited media

Show zones

The floor is organised into domain zones, each with exhibits, features and conference theatres.

Aerospace
Land: vehicles, weapons, ammunition and equipment
Naval, with visiting warships at the dockside
Space
Tech: AI, cyber security and digitalisation
Manufacturing
Medical: front-line and civil contingency care
International pavilions and participating countries

Features and forums

Beyond the stands, the programme includes zone forums with a published agenda, a NextGen programme, waterborne demonstrations, a land static display and a UK MoD static display.