DSEI UK 2025
“This show is where global security comes together, innovation emerges, and the future of defense is shaped.”
DSEI is the UK’s premier global defense and security event, connecting governments, armed forces, and industry leaders across air, land, naval, space, and cyber domains.
Why your company needs to be here:
- The event draws 1,600+ exhibitors from over 90 countries and 45,000+ attendees, including senior military and government decision-makers.
- Global tensions and fast-evolving threats are driving record increases in defense and security budgets.
- Cross-domain innovation—across air, land, naval, space, and cyber—is transforming how nations prepare, protect, and partner.
We handle the details so you can make the sales.

Kallman organizes the Canada presence at DSEI UK. In the Pavilion, you’ll get:
Prime Location
Access to Lounge Spaces & Conference Rooms
Expert Assistance
Enhanced Visibility
Connections to Hotel and Car Services through RW Events
Connections to Our Shipping Partner, TWI
Invitations to Exclusive Events
Custom Matching, Connecting Exporters to Buyers

Dates
September 9–12, 2025
Location
London, United Kingdom
Exhibition Center
ExCeL London
Visitor Profile
Defence & Military
Government & Regulatory Bodies
Aerospace & Naval Manufacturers
Cybersecurity & Tech Companies
Space & Satellite Industry
Land & Maritime Systems
Advanced Technologies & Innovation
Procurement & Purchasing Officials
Investors & Industry Analysts
Number of Visitors
45,000+
Number of Exhibitors
1,600+
Frequency
Biennial
Previous Show
2023
Quick Links
Official show website
Current Floor Plan
Digital Directory
2023 Floor Plan
2023 Photo Album
2024 Show Statistics
Exhibitors by Country
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Breakdown by Company Size
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Visitors by Day
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Exhibitors by Country
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Breakdown by Company Size
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Ways to Exhibit at the Show
Not ready for the Canada Pavilion? You can also exhibit direct with Kallman.
2023 Highlight Video
“Kallman Worldwide made our exhibiting experience incredibly easy! Being part of the USA Partnership Pavilion, which represents global leaders of the aviation industry, assures we'll meet the right customers.” — Aimee Okamoto, Manager of Business Development, Industrial Metals International LTD
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