Company lists · Data refreshed September 2026

Top 25 Exposition organizers based in London, United Kingdom

Name: Exposition organizers based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 335 companies tracked

RevenueBase identified 335 exposition organizers headquartered in London, United Kingdom as of September 2026 and tracks 7,036 professional contacts across them, including 1,605 with verified work emails. London is the largest hub.

This list covers exposition organizers headquartered in London, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

335Companies

7,036Contacts tracked

1,605Verified emails

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The 25 largest exposition organizers based in London, United Kingdom

Ranked by team size

Top 25 of 335 exposition organizers based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to exposition organizers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Clarion Events	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	1,001-5,000	769 contacts →
	Indirect evidence “Clarion Events is the world's largest privately owned event and exhibition organiser, known for our innovative approach, market-leading super brands and digital products.” Source: RevenueBase Database · checked Sep 19, 2026
2	UBM PLC	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	1,001-5,000	507 contacts →
	Indirect evidence “UBM combined with Informa in June 2018, creating a single, leading B2B information services group, and the largest B2B events and exhibitions organiser in the world.” Source: RevenueBase Database · checked Sep 19, 2026
3	Nineteen Group	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	201-500	193 contacts →
	Indirect evidence “Hey, we're Nineteen!” Source: RevenueBase Database · checked Sep 19, 2026
4	Trivandi	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	145 contacts →
	Indirect evidence “Trivandi transforms ambitious visions into unforgettable experiences for major events, venues, destinations and sports organisations.” Source: RevenueBase Database · checked Sep 19, 2026
5	Reuters Events	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	10001+	141 contacts →
	Indirect evidence “Reuters Events is part of the Reuters News division of Thomson Reuters.” Source: RevenueBase Database · checked Sep 19, 2026
6	Vostock Capital UK	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	112 contacts →
	Indirect evidence “Vostock Capital is an international organiser of industry congresses and conferences that accelerate market growth and help companies find partners, clients, and investment…” Source: RevenueBase Database · checked Sep 19, 2026
7	Kisaco Research	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	101 contacts →
	Indirect evidence “Kisaco Research works with the early adopters and leaders of growth markets in driving their respective industries forward and in providing the right knowledge, learning and…” Source: RevenueBase Database · checked Sep 19, 2026
8	Arena International Events Group	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	98 contacts →
	Indirect evidence “Arena International Events Group provides a comprehensive range of event platforms for multiple industry sectors.” Source: RevenueBase Database · checked Sep 19, 2026
9	Expo Stand Services	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	89 contacts →
	Partial evidence “Expo Stand Services is a feature of the exposition stand building sector.” Source: RevenueBase Database · checked Sep 19, 2026
10	Brainlinx	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	73 contacts →
	Indirect evidence “WHO WE ARE?” Source: RevenueBase Database · checked Sep 19, 2026
11	Metro Production Group	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	65 contacts →
	Indirect evidence “With equal creative talent and tech knowhow, we make big, bold, innovative events happen for happy clients.” Source: RevenueBase Database · checked Sep 19, 2026
12	LS Events	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	61 contacts →
	Indirect evidence “DELIVERING EVENT EXCELLENCE Founded in 2004, our experienced team operates within a tight framework of clients with whom we share a vision and a common goal of excellence.” Source: RevenueBase Database · checked Sep 19, 2026
13	Worldwide Events	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	60 contacts →
	Indirect evidence “Worldwide Events Group We are an innovative, dynamic company that connects the major players in the MICE and luxury travel industries, driving change, dictating trends, and…” Source: RevenueBase Database · checked Sep 19, 2026
14	Sparks Emea	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	201-500	42 contacts →
	Indirect evidence “Sparks International creates unforgettable experiences for brands who lead, never follow.” Source: RevenueBase Database · checked Sep 19, 2026
15	Tobacco Dock London	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	38 contacts →
	Indirect evidence “A venue as dynamic as the events we host.” Source: RevenueBase Database · checked Sep 19, 2026
16	Alpha Events	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	n/a	34 contacts →
	Indirect evidence “Alpha Events is a new division of the largest independent conference organiser in the world, PLS - owners of IQPC and WBR.” Source: RevenueBase Database · checked Sep 19, 2026
17	Reed & Mackay Events	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	33 contacts →
	Indirect evidence “As a creative global events agency, we bring extraordinary experiences to life through personal service, deep-rooted expertise and the latest events technology.” Source: RevenueBase Database · checked Sep 19, 2026
18	Principal. Global Events	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	32 contacts →
	Indirect evidence “We love to make every experience extraordinary, bringing our creative and logistical expertise to a worldwide reach.” Source: RevenueBase Database · checked Sep 19, 2026
19	Uptown Events LTD	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	31 contacts →
	Indirect evidence “Producing Memorable Experiences Globally, One Event at a Time At Uptown Events, we turn your vision into unforgettable events.” Source: RevenueBase Database · checked Sep 19, 2026
20	FC Business Intelligence LTD	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	29 contacts →
	Indirect evidence “TORONTO, October 4, 2019 – Thomson Reuters (TSX/NYSE: TRI) today announced that it has acquired FC Business Intelligence (FCBI), a global business-to-business events specialist.” Source: RevenueBase Database · checked Sep 19, 2026
21	MA Exhibitions	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	27 contacts →
	Indirect evidence “MA Exhibitions was established in 2015 to house the Mark Allen Group’s growing portfolio of exhibitions.” Source: RevenueBase Database · checked Sep 19, 2026
22	The Production Department	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	26 contacts →
	Indirect evidence “The Production Department is a team of full-time production managers who service many notable agencies, including GPJ, Jack Morton, Momentum, M+C Saatchi, NVE and Bearded Kitten.” Source: RevenueBase Database · checked Sep 19, 2026
23	Inspirational Venues & Events	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	25 contacts →
	Indirect evidence “Inspirational Venues are a London based full service event agency offering a consultative and engaging service throughout the UK & worldwide.” Source: RevenueBase Database · checked Sep 19, 2026
24	TFI Lodestar	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	24 contacts →
	Indirect evidence “We create live events and experiences across multiple platforms and channels, from the physical to the virtual and all points in between, connecting businesses with their most…” Source: RevenueBase Database · checked Sep 19, 2026
25	Positive Images Design & Exhibitions LTD	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	11-50	23 contacts →
	Indirect evidence “Positive Images is a trusted exhibition and event display specialist and proud member of the Symbiosis Group, delivering creative exhibition and branding solutions for businesses…” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: exposition organizers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names exposition organizers.
Partial evidence: Its own public description names part of exposition organizers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name exposition organizers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 335 exposition organizers based in London, United Kingdom

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Exposition organizers based in London, United Kingdom at a glance

As of Sep 19, 2026

22.8%Verified-email coverage

21.0Average contacts per company

1-10Median size (employees)

100.0%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

201

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 335 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among exposition organizers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in London, United Kingdom whose own description of what they do matches “exposition organizers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names exposition organizers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among exposition organizers, and records with no verified work email. Companies headquartered outside London are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 1,605 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Exposition organizers by metro in the United Kingdom

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names exposition organizers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many exposition organizers are there based in London, United Kingdom?

RevenueBase identified 335 exposition organizers headquartered in London, United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Clarion Events, headquartered in London, tops this list with the largest team on record.

Which city has the most exposition organizers?

London leads with 335 headquartered companies, followed by Manchester (39) and Bristol (34).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,605 verified decision-maker contacts tracked across these 335 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.