DSEI UK
DSEI UK is a trade fair for the land, air, naval and security defence industry, serving visitors and exhibitors of the defence sector. It takes place at ExCeL London in London, United Kingdom, on 7-10 September 2027, and is organised by Clarion Defence & Security. The fair is held every two years. The 2025 edition recorded 1,700 exhibitors and 45,000 visitors.
Aphroa is not affiliated with DSEI UK or its organiser. Data compiled from the organiser's website, October 2026.
Getting your website ready for DSEI UK
A simple plan around the dates of DSEI UK. Adjust it to your team and your products.
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Step 1
8 weeks before
Open your website on a phone as a visitor would and note what is slow or unclear. List what you will show at DSEI UK in the Defence sector and check that each item has its own page.
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Step 2
4 weeks before
Describe each offer in plain words: who it is for, what problem it solves and how a visitor gets in touch. Add the languages your visitors read and a QR code that leads to a page made for DSEI UK.
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Step 3
Fair week
Test your contact form and the e-mail it sends on a phone. Capture every contact at the stand with one method and note what each visitor asked for.
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Step 4
2 weeks after
Reply to every contact from DSEI UK within days. Update your pages with the questions you heard most at the stand.
What a defence website should show
Procurement officers and prime-contractor buyers look for clear technical detail, verifiable company credentials and a quick route to a named contact before and after a fair.
Dedicated product pages
Give each product line its own clear page, with a short technical summary and a downloadable datasheet, so procurement officers can check your offer before they reach your stand.
Exact company credentials
Keep company details exact: registered address, export contact, and any certifications or national supplier registrations that government and prime-contractor buyers ask to see.
Fair page with QR code
Make a page for the fair and link it with a QR code at your stand, in the languages of visiting delegations, and test that it loads quickly on a phone.
Prompt visitor follow-up
Scan business cards at the stand and note each visitor's role and interest, then reply within days with the datasheet or export information they asked about.
Not sure where your website stands?
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Help with your website and your fair follow-up
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Questions about DSEI UK
When is DSEI UK 2027?
DSEI UK 2027 takes place on 7–10 September 2027.
Where does DSEI UK take place?
DSEI UK takes place in London, United Kingdom, at ExCeL London.
How many exhibitors does DSEI UK have?
Exhibitors of the 2025 edition: 1,700.
Who organises DSEI UK?
DSEI UK is organised by Clarion Defence & Security.
How can I prepare my website for DSEI UK?
Start about eight weeks before the fair. Make sure your website loads fast on a phone, describe each product on its own page and add a clear way to get in touch. The preparation plan on this page lists what to do and when, and the free website check shows where your website stands.
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