Company lists · Data verified August 2026

Top 25 Brand management and marketing agencies based in the United Kingdom

Name: Brand management and 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 16,962 companies tracked

There are 16,962 brand management and marketing agencies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 174,672 professional contacts across them, including 38,947 with verified work emails and 15,744 with mobile numbers. London is the largest hub.

This list covers brand management and 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.

16,962Companies

174,672Contacts tracked

38,947Verified emails

15,744Mobile numbers

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The 25 largest brand management and marketing agencies based in the United Kingdom

Ranked by team size

Top 25 of 16,962 brand management and 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	SGK	Manchester	5,001-10,000	3,593	1,061
2	Iprospect	London	5,001-10,000	2,395	743
3	TMS	London	1,001-5,000	1,685	684
4	MKTG	London	1,001-5,000	1,501	191
5	APS Group	Leicester	501-1,000	1,157	477
6	Omnicom Media Group UK	London	5,001-10,000	993	167
7	NP Digital	London	1,001-5,000	862	306
8	Wongdoody	London	1,001-5,000	846	472
9	Anomaly	London	501-1,000	765	426
10	Linney	Mansfield	1,001-5,000	651	450
11	Mullenlowe Global	London	1,001-5,000	547	21
12	Ogilvy UK	n/a	501-1,000	499	344
13	Blackjack Promotions	London	1,001-5,000	346	8
14	Newbase	London	501-1,000	282	28
15	Avidity	Glasgow	1,001-5,000	152	40
16	Zenith	London	5,001-10,000	136	26
17	The Mission Group	London	1,001-5,000	114	70
18	MSQ	London	1,001-5,000	113	65
19	Essencemediacomx	London	501-1,000	107	54
20	BBH Global	London	501-1,000	99	5
21	Konica Minolta Marketing Services	London	501-1,000	85	1
22	Rocketmill NOW PMG	Brighton	501-1,000	82	58
23	S4 Capital Group	n/a	5,001-10,000	74	27
24	Unreasonable Studios	London	1,001-5,000	68	41
25	Socialchain	n/a	501-1,000	59	39

Showing 25 of 16,962 brand management and marketing agencies based in the United Kingdom

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Brand management and marketing agencies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 5772 HQs

15,744Contacts with mobile numbers

201Emails re-verified in last 30 days

Companies by employee count

1-10

12,771

11-50

3,404

51-200

509

201-500

102

501-1,000

1,001-5,000

5,001-10,000

Brand management and marketing agencies by metro

Metro	Companies
Brand management and marketing agencies in London	5772
Brand management and marketing agencies in Manchester	604
Brand management and marketing agencies in Birmingham	344
Brand management and marketing agencies in Leeds	318
Brand management and marketing agencies in Bristol	228
Brand management and marketing agencies in Glasgow	215
Brand management and marketing agencies in Edinburgh	189

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 “brand management and 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; 201 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 brand management and marketing agencies are there based in the United Kingdom?

There are 16,962 brand management and marketing agencies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

SGK, headquartered in Manchester, tops this list with the largest team on record.

Which city has the most brand management and marketing agencies?

London leads with 5772 headquartered companies, followed by Manchester (604) and Birmingham (344).

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 38,947 verified decision-maker contacts tracked across these 16,962 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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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.