Expo · security · defense · aerospace
DSEI UK
7–10 Oct 2027
ExCeL London, London, United Kingdom
Clarion Events Ltd
About
Trade Fair for Military and Security Technology
DSEI UK brings the global defense and security industry together in London, United Kingdom, for a trade fair focused on military and security technology. Exhibitors showcase products and services across security, aerospace, and defense. This gives buyers and specialists a practical view of the systems and equipment shaping the sector. The event draws manufacturers, contractors, and procurement teams. They come to compare solutions, test new ideas, and build partnerships across international markets. Visitors can explore defense technology, aerospace platforms, and security systems in one place, while attending demonstrations and meeting suppliers face to face. For companies working in defense procurement, aerospace supply chains, or security technology, DSEI UK offers a focused setting. It's a place to connect with decision-makers and keep pace with developments across the industry.
Key facts
DSEI UK is a trade show for security, defense, aerospace held 7–10 Oct 2027 at ExCeL London in London, United Kingdom.
- Industries
- security, defense, aerospace
- Venue
- ExCeL London
- Official website
- dsei.co.uk
- Listing source
- From trade-fair directories and venue calendars
- Last updated
- 1 November 2026