Company lists · Data verified August 2026

Top 25 Brand marketing agencies based in the United Kingdom

There are 15,933 brand marketing agencies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 130,070 professional contacts across them, including 29,259 with verified work emails and 11,167 with mobile numbers. London is the largest hub.

This list covers brand 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.

15,933Companies
130,070Contacts tracked
29,259Verified emails
11,167Mobile numbers
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The 25 largest brand marketing agencies based in the United Kingdom

Ranked by team size
Top 25 of 15,933 brand 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.
#CompanyHQEmployeesContactsVerified emails
1SGKManchester5,001-10,0003,5931,061
2APS GroupLeicester501-1,0001,157477
3NP DigitalLondon1,001-5,000862306
4AnomalyLondon501-1,000765426
5LinneyMansfield1,001-5,000651450
6BBH LondonLondon201-500518204
7Ogilvy UKn/a501-1,000499344
8AMV BbdoLondon201-500468121
9Grapes WorldwideLondon201-50039674
10ADD PeopleAltrincham201-500300174
11Forsman & BodenforsLondon201-500257179
12C3 Creative Code And ContentLondon201-500217107
13GO Inspire GroupKettering201-500211136
14SUN BrandingBradford201-500196106
15Bray LeinoHarefield201-500184102
16Kenneth Green AssociatesWeybridge201-50017769
17Cc33 Global LimitedSheffield201-50017128
18Retail Marketing Group RMGSindlesham Reading201-50016726
19Merson Groupn/a201-50016694
20Grey LondonLondon201-50015869
21Krow GroupNorwich201-5001491
22METIALondon201-50013144
23The Mission GroupLondon1,001-5,00011470
24VIM Group Team FarnerLondon201-50010750
25Havas CX HeliaCirencester201-5001057

Showing 25 of 15,933 brand marketing agencies based in the United Kingdom

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Brand marketing agencies based in the United Kingdom at a glance

As of Aug 28, 2026
1-10Median size (employees)
LondonLargest hub · 5074 HQs
11,167Contacts with mobile numbers
149Emails re-verified in last 30 days

Companies by employee count

1-10
12,536
11-50
2,819
51-200
371
201-500
62
501-1,000
19
1,001-5,000
10
5,001-10,000
3

Brand marketing agencies by metro

MetroCompanies
Brand marketing agencies in London5074
Brand marketing agencies in Manchester541
Brand marketing agencies in Birmingham335
Brand marketing agencies in Leeds299
Brand marketing agencies in Bristol221
Brand marketing agencies in Glasgow206
Brand marketing agencies in Edinburgh176

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 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; 149 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 marketing agencies are there based in the United Kingdom?

There are 15,933 brand 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 marketing agencies?

London leads with 5074 headquartered companies, followed by Manchester (541) and Birmingham (335).

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 29,259 verified decision-maker contacts tracked across these 15,933 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.