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Defence and Security Equipment International (DSEI) is a defence and security equipment exhibition held every two years in London Docklands, which draws thousands of visitors, both trade and military. It is an important event in the international military and national security equipment sales calendar and is organised in association with UK Trade & Investment's Defence & Security Organisation (UKTI DSO). It is the world’s largest fully integrated international defence exhibition featuring land, sea and air products and technologies.[1]

DSEI's history[edit]

Between 1976 and 1991, the British Army Equipment Exhibition and the Royal Navy Equipment Exhibition were held on alternate years in Aldershot and Portsmouth respectively. Overseas delegations attended by invitation only. Despite having been at war with Iran for almost six years, a five-strong delegation from Iraq attended in 1986.

In 1993 the two exhibitions were combined and held every other year until the British government decided to privatise the exhibition. Exhibitions company Spearhead launched the first DSEI, then known as Defence and Systems Equipment International, in 1999 at Chertsey in Surrey. In 2001 it moved to its current location at the ExCeL Exhibition Centre in London Docklands. DSEI's name was changed in 2009, replacing the word Systems with Security.

Current ownership[edit]

In April 2008 DSEI was acquired by Clarion Events, the largest independent event organiser in the UK. At the same time Clarion also acquired ITEC - a conference and exhibition dedicated to military simulation, training and education - and Latin American Aerospace and Defence.

It was suggested by CAAT (Campaign Against Arms Trade) that former owners Reed Exhibitions' decision to sell followed substantial criticism both from healthcare professionals and academics, as well as pressure from campaigners.[2]

Political controversy[edit]

2005 protests

DSEI works closely with UKTI DSO to invite foreign military delegations.

However there are guidelines that are made and followed. These come from a number of places including the Foreign and Commonwealth Office, The United Nations, FCO and ECO.


The event has attracted much attention from activist groups. In 2001, 2003, and 2005 were all targets of sizeable protests. Former London Mayor Ken Livingstone has been critical of the event and even the Metropolitan Police have spoken out about the cost of policing the event.[3] In 2013 the London Mayor Boris Johnson supported the exhibition, which caused controversy with activists.


At DSEI 2003, 54 people were arrested around the site. 2,600 security guards and police officers were guarding the site. Scotland Yard spent £1m on policing the event.[4] The police were granted permission by David Blunkett, then Home Secretary, to use special powers under the Terrorism Act 2000 against protesters at the exhibition. The grant was criticised by Liberty and opposition politicians.[5]


DSEI 2005[edit]

DSEI 2005 was held from 13 to 16 September. It was 30% bigger than 2003's event, and in addition to traditional military systems & equipment, displayed "products and services related to Homeland security, anti-terrorism, access control, and personal security."[3]

DSEI 2007[edit]

DSEI 2007 was held on 11–14 September at the ExCeL centre.

DSEI 2009[edit]

DSEI 2009 was held 08-11 September 2009 at the ExCeL centre.

DSEI 2011[edit]

DSEI 2011 was held 13–16 September 2011 at the ExCeL centre, and was attended for the first time by a Type 45 destroyer, HMS Dauntless.

DSEI 2013[edit]

DSEI 2013 was held 9–13 September 2013 at the ExCeL centre, and hosted 1500 exhibitors and 30,000 visitors.


  1. ^ DSEI Defence Systems & Equipment International Exhibition 2013
  2. ^ CAAT - Arms Fairs
  3. ^ a b c ArmsFairs.com
  4. ^ £1m police operation guards London arms exhibition | Special reports | Guardian Unlimited
  5. ^ Activists plan legal challenge to arms fair policing | The Guardian | Guardian Unlimited

External links[edit]

Official sites[edit]

Anti-DSEI links[edit]