Company lists · Data verified August 2026

Top 25 Event marketing agencies based in the United Kingdom

Name: Event marketing agencies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 2,752 companies tracked

There are 2,752 event marketing agencies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 30,079 professional contacts across them, including 7,086 with verified work emails and 4,305 with mobile numbers. London is the largest hub.

This list covers event marketing agencies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

2,752Companies

30,079Contacts tracked

7,086Verified emails

4,305Mobile numbers

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The 25 largest event marketing agencies based in the United Kingdom

Ranked by team size

Top 25 of 2,752 event marketing agencies based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	MKTG	London	1,001-5,000	1,501	191
2	Blackjack Promotions	London	1,001-5,000	346	8
3	Identity	London	51-200	259	115
4	Powerforce GB	Winnersh Triangle	1,001-5,000	231	89
5	Nteractive	Staines-Upon-Thames	51-200	186	153
6	Retail Marketing Group RMG	Sindlesham Reading	201-500	167	26
7	Strata	Mixbury Brackley	51-200	131	86
8	ID	Hammersmith	51-200	113	16
9	Right Formula	London	51-200	109	80
10	Tba. Group	Manchester	51-200	109	8
11	Havas CX Helia	Cirencester	201-500	105	7
12	Sweet&chilli	London	51-200	104	35
13	Bray Leino Events	Filleigh	51-200	86	62
14	Chillisauce	London	51-200	77	22
15	WAVE	Manchester	1,001-5,000	77	11
16	Kreate	London	51-200	76	8
17	EPM Agency	Poole	51-200	60	10
18	Trunkbbi	Manchester	51-200	59	42
19	Premier Events	Leicester	51-200	59	32
20	Hart Wilcox	Tendring	51-200	57	38
21	TPG	Northwich	51-200	54	33
22	Initials CX	London	51-200	47	17
23	Q2q Communications LTD	Richmond Upon Thames	51-200	43	33
24	Sparks Emea	London	201-500	43	24
25	The Work Perk	London	51-200	43	18

Showing 25 of 2,752 event marketing agencies based in the United Kingdom

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Event marketing agencies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 1059 HQs

4,305Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

1,823

11-50

728

51-200

125

201-500

501-1,000

1,001-5,000

10001+

Event marketing agencies by metro

Metro	Companies
Event marketing agencies in London	1059
Event marketing agencies in Manchester	85
Event marketing agencies in Bristol	48
Event marketing agencies in Leeds	44
Event marketing agencies in Birmingham	37
Event marketing agencies in Glasgow	32
Event marketing agencies in Edinburgh	29

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “event marketing agencies”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many event marketing agencies are there based in the United Kingdom?

There are 2,752 event marketing agencies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most event marketing agencies?

London leads with 1059 headquartered companies, followed by Manchester (85) and Bristol (48).

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 7,086 verified decision-maker contacts tracked across these 2,752 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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Related lists

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.