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14 - 17 September 2021

Excel - London

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Powering Progress

Defining Your Future

DSEI connects governments, national armed forces, industry thought leaders and the entire defence & security supply chain on a global scale.  With a range of valuable opportunities for networking, a platform for business, access to relevant content & live-action demonstrations, the DSEI community can strengthen relationships, share knowledge and engage in the latest capabilities across the exhibition’s Aerospace, Land, Naval, Security & Joint Zones.

Welcome to DSEI

DSEI brings the entire defence manufacturing supply chain together with the world’s key military specifiers, influencers, buyers, and end-users. Welcoming over 1,700 exhibitors and 36,000 visitors, DSEI 2019 marked a milestone in the event’s history with the celebration of its 20th anniversary. 

2019 Facts & Figures










Exhibiting at DSEI presents an unmissable opportunity to develop your business on an international scale.


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DSEI allows visitors to see and meet the world’s defence community in order to network and conduct business.


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Conference & Seminars

Conference & Seminars

The conference and seminar programme runs for the entire DSEI week, delivering exceptional thought leadership from high-level experts.


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Divided into five Zones: Aerospace, Land, Naval, Security, and Joint, DSEI is known to be ‘best in class’ in terms of the range and quality of the companies that feature.


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DSEI 2021 will support the supply chain across four capability-focused hubs: Future Tech, Manufacturing, Medical and Space.


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Supply Chain Programme

Supply Chain Programme

DSEI's Supply Chain Programme connects buyers with industry suppliers through pre-scheduled meetings. 

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  • To continue making a leading edge contribution to the UK’s place in the world, the Royal Air Force must be at the leading edge of technological innovation in all that we do; DSEI 2021 offers an excellent international platform on which to explore those challenges alongside our industry partners
    Air Chief Marshal Wigston
    Chief of the Air Staff for the Royal Air Force
  • UK Strategic Command looks forward to being a key participant in DSEI 2021, setting out our responsibilities and our thinking – as UK Defence’s integrator and responsible for key strategic capabilities - against the rapidly changing character of warfare.
    General Sir Patrick Sanders
    Commander United Kingdom Strategic Command
  • In a world of constant competition, the conversations that we are able to have at DSEI are more important than ever. The Royal Navy remains committed to being at the forefront of technological development, maintaining our battle-winning edge through innovation
    Admiral Tony Radakin
    First Sea Lord and Chief of Naval Staff, Royal Navy
  • On behalf of the Army, I’d like to extend my thanks and best wishes to Clarion for their help in delivering the Army’s part in DSEI 2021.
    General Sir Mark Carleton-Smith
    Chief of the General Staff, British Army

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