7–10 Sep 2027 · London, GB

DSEI UK

DSEI UK 2025 was held at ExCeL London as a major defence and security industry event focused on advancing defence innovation. It brought together senior military leaders, government representatives, industry innovators, international pavilions and participating countries to showcase developments across domains including artificial intelligence, cyber, autonomy, aerospace, maritime and space-based capabilities. The event includes themed zones, forums, conference theatres and demonstrations such as visiting warships and land static displays.

Last updated October 4, 2026

Dates: 7–10 Sep 2027
Venue: ExCeL London (Platinum Suite, Level 1, Central Boulevard, Royal Victoria Dock)
Location: London, GB
Frequency: Annual
Audience: Trade
Duration: 4 days
Scale: Flagship
Exhibitors: 1,700Estimate
Visitors: 45,000Fact

Aerospace & DefenceHealthcare & MedicalSecurity & Safety

Event website

Compiled from public sources and periodically reviewed and updated. This information is provided for general guidance only and may be incomplete or out of date — please verify all details directly with the organizer or venue before relying on them.

About DSEI UK

DSEI UK is a flagship trade fair for the Aerospace & Defence and Healthcare & Medical industries, taking place in London, United Kingdom. The 2027 edition runs 7–10 Sep 2027 at ExCeL London (Platinum Suite, Level 1, Central Boulevard, Royal Victoria Dock). It brings together an estimated 1,700 exhibitors and 45,000 visitors (organizer-confirmed). Event Scout has indexed 243 exhibiting companies for the event so far.

Known editions

2027Upcoming7–10 Sep 2027

Venue

ExCeL London (Platinum Suite, Level 1, Central Boulevard, Royal Victoria Dock)

Royal Victoria Dock, 1 Western Gateway, London, United Kingdom, E16 1XL London, England, GB

Who exhibits at DSEI UK

We've captured 243 exhibitors for DSEI UK (roster as of 2027). They span 26 countries, 78% of them based outside the United Kingdom.

Where exhibitors are based

Exhibitors' head-office countries, most-represented first.

United States23%·25
United Kingdom22%·24
Germany11%·12
Australia5%·6
France5%·5

Based on 111 exhibitors with a known head-office country.

What exhibitors do

The industries the exhibitor base works in, by share of the roster.

Machinery Manufacturing42%·28
Software It33%·22
Energy Electronics22%·15
Services13%·9
Industrial Automation9%·6

Based on 67 exhibitors with an industry label — a company can carry several, so shares can total over 100%.

Exclusivity

52%Class Dof exhibitors exhibit nowhere else we track

Moderately exclusive — a meaningful share of exhibitors are unique to this event.

Cross-referenced against 243 exhibitors in our event graph.

International reach

78%Class Bof exhibitors are based abroad

Highly international — a broad field reaching well beyond the host country.

Exhibitor calibre

Publicly listed38%·8

listed companies

Large enterprises57%·12

1,000+ employees

Of 21 exhibitors whose company size we know.

DSEI UK 2027 exhibitor list

Event Scout has indexed 240+ companies exhibiting at DSEI UK so far. They span industries including machinery-manufacturing, iron and steel industry and electronics. The preview below shows a sample of the indexed roster; the full list is available through Event Scout.

Company

Industry

Location

33m
machinery-manufacturing
Neuss, DE
AAirbus
machinery-manufacturing
Blagnac, FR
AArcelorMittal Corporate
iron and steel industry
Luxembourg City, LU
PPardon Our InterruptionUS
AAmphenol
electronics
Amphenol Corporation. All rights reserv, US

Babcock International Group
Ansys
ABB Group
ArianeGroup
Aselsan
Astronics Corporation
Anduril
Applied Intuition
AM General
Amprius Technologies
3A Composites
ACT
Aviation Week Network
AtkinsRéalis
Unlocking transitions
BMC Switzerland AG
Amentum
Benelli
Aireon

+ 218 more exhibitors

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Frequently asked questions

When is DSEI UK 2027?

DSEI UK 2027 runs 7–10 Sep 2027 at ExCeL London (Platinum Suite, Level 1, Central Boulevard, Royal Victoria Dock).

Where is DSEI UK held?

DSEI UK is held at ExCeL London (Platinum Suite, Level 1, Central Boulevard, Royal Victoria Dock) in London, United Kingdom.

How many exhibitors does DSEI UK have?

DSEI UK counts an estimated 1,700 exhibitors. Event Scout has indexed 243 exhibiting companies so far.

Who exhibits at DSEI UK?

Indexed exhibitors include 3m, Airbus, ArcelorMittal Corporate and Pardon Our Interruption. The event spans the Aerospace & Defence, Healthcare & Medical and Security & Safety sectors.

Is DSEI UK worth attending?

DSEI UK is a flagship trade show for the Aerospace & Defence and Healthcare & Medical industries, so it is most relevant to exhibitors and buyers in those industries. It brings together an estimated 1,700 exhibitors. Whether it is worth attending depends on your objectives, but its scale and sector focus are a useful guide.

How do I get the DSEI UK exhibitor list?

Event Scout has indexed 243 companies exhibiting at DSEI UK so far. A sample is shown in the exhibitor-list section on this page, and the full roster is available through Event Scout.

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