DSEi

  • Group
  • United Kingdom
  • Date 09 – 12 Sept 2025
  • Event type In person
  • Location ExCeL London Royal Victoria Dock 1 Western Gateway, London, United Kingdom

DSEi is one of the world’s premier defence and security events, bringing together global leaders, governments, and industry to showcase the innovations shaping future multi-domain operations.

Decisions that matter, technology you can trust.

Delivering operational advantage at the pace of threat – from critical infrastructure to the front line. Trusted. Proven. Ready. In an environment of rapidly evolving threats, Thales delivers trusted, connected technology across air, land, sea, space and cyber. 

From AI-enabled decision tools to advanced sensors and secure communications, we help customers respond faster, integrate seamlessly, and protect what matters most.

Thales in the UK

Thales is deeply embedded in the UK, contributing technology, skills and supply-chain value. At DSEI, we spotlighted UK prosperity and resilience through the launch of our Economic & Social Impact (Defence Dividend) report, as well as our partnerships with SMEs that accelerated capability while supporting SDR-aligned priorities.

7,000+
employees in the UK
4500+
engineers in the UK
140
years of heritage across the UK

Media Relations

For further enquiries, please contact a member of the Thales media relations team (journalists only).

Latest news from the UK

  • Europe

Forging a Resilient Britain: A Partnership for Industrial Strength

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Integrating the Quantum Advantage: From Modelling to Mission Planning

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  • United Kingdom

Royal Navy's Carrier Strike Group embarks on Second Deployment, Reinforcing Global Security with Thales Support

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Thales Celebrates 30 Years of Sonar 2076 and Unveils Next-Generation Sonar 2176

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  • Defence

Thales and BAE Systems announce new phase of collaboration to deliver next-generation submarine sonar capability for the UK

Press release
  • Defence

DSEI 2025: Thales unveils DCM5: a sovereign cryptography solution to combat the quantum threat for global defence and government

Press release
  • United Kingdom

Thales demonstrates agility of Storm 2 with new counter-unmanned aerial systems capability

News in Brief
  • United Kingdom

Thales is paving the way with new Remote Weapon Systems (RWS) technology

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  • Europe

Thales shares a potential solution to digital targeting web

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