Trade shows in London 2026

There are 3 trade shows in London with a 2026 edition and a public sponsor or exhibitor list or published sponsorship prices. The biggest is Big Data LDN 2026, with 13 companies listed.

All events 11 Trade shows 3

24 companies listed at these events

Industry

AI1 Cybersecurity1 Startup1

London

2026

Timing

Upcoming1 Next 90 days1

Year

Any year 20263 20273

Size

Companies listed

Prices

Sponsorship packages

Publishes prices1 Package under $5k1 Package under $10k1 Package under $25k1

Trade shows

All events11 Trade shows3

Trade shows: 100 or more exhibitors, or an expo floor on the organizer’s own description.

Clear all

3 events

Most companies listed

Most companies listed Soonest first Most new companies Most companies returning Cheapest package Biggest top package

#	Conference	Industry	Companies	Returning	Packages from
1	1. Big Data LDN Sep 23–24, 2026 · London, United Kingdom	AI	13companies
2	2. Black Hat Dec 7–10, 2026 · London, United Kingdom	Cybersecurity	11companies	92%returning
3	3. London Venture Capital Summit May 15, 2026 · London, United Kingdom	Startup			from$3,175

Companies: sponsors and exhibitors on each event’s current edition, read from its own directory, sponsor page or prospectus. New: not listed at the previous edition. Returning: share of the previous edition’s companies listed again.

Key facts

Across the 3 trade shows in London 2026.

Trade shows31 upcoming

Companies listed24across their current editions

Biggest13Big Data LDN

Questions

What are the biggest trade shows in London with a 2026 edition?

By companies listed at their current edition: Big Data LDN (13), Black Hat (11), London Venture Capital Summit (0).