DSEI 2025

DSEI 2025

Security Safety
London, UK
09-12 Sep 2025
Clarion Events
ExCeL London
2 years
Event website:

A leading event for the defence technology industry

DSEI stands short for Defence Systems and Equipment International Exhibition and Conference and has been at the forefront of innovation across private and military defence circles. The event is held in London, UK every two years with editions falling on odd years.

What can you hope to discover under the roof of ExCeL London? The full assortment of technology and solutions for the aerospace, naval, land and security sectors. Product categories extend to weapons, tactical equipment, ammunitions, emergency equipment, first aid equipment, infrared systems and radar equipment.

DSEI 2025

Industry players may discuss the future of defence systems at the 2025 edition of DSEI from September 9th until September 12th, 2025. DSEI will be hosted by ExCeL London in London, the UK.

Affordable accommodation near ExCeL, London

This should be reason enough to prioritize getting hotel bookings for DSEI and this is where Trade Fair Trips ltd comes in to provide you with affordable accommodation for exhibitions. We know our way around London and create a custom list with the top hotel prices for DSEI in your specific price range.

We’re fast and also make sure you have ample access to public transport. Exhibitors can also count on Trade Fair Trips ltd to install their exhibition booths. Need a meeting room for a quick negotiation? We’ll book the right facilities for you!

On foot
On foot:

20 minutes when travelling from London City Airport

Not advisable when travelling from London Central Station

By car
By car:

7 minutes when travelling from London City Airport

41 minutes when travelling from London Central Station

By public transport
By public transport:

9 minutes when travelling from London City Airport

51 minutes when travelling from London Central Station


Hotels near DSEI

Hotel Stars Distance to fair City Price
Grange Clarendon Hotel 11.4 London from € 346.00 EUR Book Now
DSEI 2025 London London City Airport Hotel 1.9 London from € 254.00 EUR Book Now
DSEI 2025 London Holiday Inn Express London - ExCel 0.8 London from € 363.67 EUR Book Now
The Stratford Hotel London 7 London from € 274.00 EUR Book Now
DSEI 2025 London YOTEL London Shoreditch 8.7 London from € 348.00 EUR Book Now
Canary Heights 2.4 London on request Request
DSEI 2025 London hub by Premier Inn London Westminster, St James's Park London on request Request
DSEI 2025 London DoubleTree by Hilton London Kingston Upon Thames 29.15 London on request Request
DSEI 2025 London City Short Stays Aldgate East Studios 8.2 London on request Request
DSEI 2025 London The LaLit London 9.5 London on request Request
  • There will be around 30,000 attendees;
  • Approximately 1,700 exhibitors are expected to present their defence technology solutions;
  • You will be able to meet representatives of the governmental and private sectors;
  • The event will host 6 seminars dedicated to the topic of security;

Clarion Events Ltd. puts together DSEI for a total of four days and opening hours are from 09:00 am in the afternoon until 17:00 pm. The first day begins an hour early to account for registration, and the last ends an hour early.

Another reason why DSEI has become a big platform for supply and demand is the fact that there’s a lot of effort put into devising countermeasures against cyber-crimes. Security is one of the big subjects with 6 seminars tackling current challenges while CYBER HUB dives deep into subjects like electronic warfare, telecommunication systems and high-tech surveillance. The audience breaks down into influencers, decision makers, military buyers and a whole line-up of VIP guests.

DSEI 2019

The 2019 edition of DSEI took place between September 10th and September 13th. It received over 1700 exhibitors and 36 000 visitors. A total of 114 countries attended, with 44 of them having national pavilions. This included countries such as Australia, Turkey, Finland, France, the UK, and the USA. There was an increased Eastern European presence due to pavilions dedicated to Latvia, Lithuania, Estonia, and Ukraine. The 2019 edition of the event debuted the Space and Manufacturing Hubs. There was also a significant number of conference and seminar speakers with over 300 leading industry experts attending. 

DSEI 2021

The 2021 edition of DSEI was of great importance for the global defence & security industry. This is due to the rendition representing the successful restart of the face-to-face fairs for both the sector and the UK.  The rendition occurred as a hybrid event consisting of a face-to-face exhibition and a digital platform. It occurred between September 14th and September 17th at ExCeL London. The edition featured new additions, including the introduction of the ‘Future Tech Hub’. It was a dedicated hub that combined Innovation, Cyber and Communication. The hub allowed professionals to examine novelties related to digitalisation, cybersecurity, networks & communications. The edition received 64 national and international delegations as well as over 20,000 participants with many of them attending in person. 

DSEI 2023

The 2023 edition of DSEI took place as a live trade fair in ExCeL London. The event was hosted between 12.09.2023 and 15.09.2023. It did not feature coronavirus precautions due to the repealing of the country's pandemic restrictions. The iteration featured approximately 1 500 exhibitants and 3,250 VIP attendees. 

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