Expo and conference · London, United Kingdom · Major show

DSEI - Defence Systems and Equipment International Exhibition and Conference 2027

Also known as DSEi (Defence Systems Equipment International)

Dates7–10 Sep 2027Dates announced · read on dsei.co.uk · checked 11 Nov 2026
VenueExCeL LondonLondon, United Kingdom · where the 2019 edition was; venue not yet confirmed
RunningSince 2009Biennial · 6 editions on record
Last checked11 Nov 2026Organiser website checked
Dates announced by the organiser. We read them on dsei.co.uk on 11 Nov 2026. Dates can change; we check again as the show gets closer.

Key numbers

Exhibitors
1,600in 2019, organiser's figure
Visitors
35,000in 2019, organiser's figure
Floor space
32,000m²in 2009, organiser's figure
Editions on record
6first in 2009

About DSEI - Defence Systems and Equipment International Exhibition and Conference

The world leading event that connects governments, national armed forces, industry thought leaders and the global defence & security supply chain on an unrivalled scale. With a range of valuable opportunities for networking, a platform for business, access to relevant content & live-action demonstrations, the DSEI community can innovate, share knowledge, discover & experience the latest capabilities across the Aerospace, Land, Naval, Security & Joint domains.

From our listing of the 2019 edition. Details may have changed since.

Editions

YearDatesWhereExhibitorsVisitors
20277–10 Sep 2027
Dates announced
ExCeL London
London, United Kingdom
——
201910–13 Sep 2019ExCeL London
London, United Kingdom
1,60035,000
201515–18 Sep 2015ExCeL London
London, United Kingdom
——
201310–13 Sep 2013ExCeL London
London, United Kingdom
——
201113–16 Sep 2011ExCeL London
London, United Kingdom
30026,000
20098–11 Sep 2009ExCeL London
London, United Kingdom
1,35226,000

Past editions from the bvents archive (2008–2019) and organiser figures where they were published.

Questions

When is DSEI - Defence Systems and Equipment International Exhibition and Conference?

7–10 Sep 2027 — dates announced on the organiser's website.

Where is it held?

The 2019 edition was at ExCeL London, London, United Kingdom. The organiser hasn't confirmed the venue for this edition yet.

How often does it take place?

Biennial, judging by the 6 editions on record since 2009.

Industries