Company lists · Data verified August 2026

Top 25 B2B marketing agencies based in the United Kingdom

Name: B2B 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 4,722 companies tracked

There are 4,722 B2B marketing agencies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 40,462 professional contacts across them, including 9,807 with verified work emails and 2,772 with mobile numbers. London is the largest hub.

This list covers B2B 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.

4,722Companies

40,462Contacts tracked

9,807Verified emails

2,772Mobile numbers

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The 25 largest B2B marketing agencies based in the United Kingdom

Ranked by team size

Top 25 of 4,722 B2B 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	Linney	Mansfield	1,001-5,000	651	450
2	Digitalzone	London	501-1,000	557	137
3	Qualifa	Brighton	51-200	440	2
4	MVF	London	201-500	417	246
5	Grapes Worldwide	London	201-500	396	74
6	Entourage	London	51-200	363	81
7	Vereigen Media	London	201-500	302	38
8	Astute.com	Bournemouth	201-500	265	38
9	GO Inspire Group	Kettering	201-500	211	136
10	BNZSA	London	201-500	195	6
11	Cc33 Global Limited	Sheffield	201-500	171	28
12	Retail Marketing Group RMG	Sindlesham Reading	201-500	167	26
13	Gekko Group	Newbury	201-500	159	22
14	Expandi Group	London	201-500	155	46
15	Avidity	Glasgow	1,001-5,000	152	40
16	METIA	London	201-500	131	44
17	Durhamlane	Newcastle Upon Tyne	51-200	114	74
18	Adtrak	Nottingham	51-200	93	76
19	Proctor Stevenson	Bristol	51-200	92	40
20	Embryo	Manchester	51-200	88	49
21	BBN	London	1,001-5,000	85	8
22	Konica Minolta Marketing Services	London	501-1,000	85	1
23	Brainsouls	Birmingham	51-200	81	1
24	Stickyeyes	Leeds	201-500	78	36
25	OMNE	Ampthill	51-200	72	60

Showing 25 of 4,722 B2B marketing agencies based in the United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 9,807 reachable decision-makers.

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B2B marketing agencies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 1446 HQs

2,772Contacts with mobile numbers

89Emails re-verified in last 30 days

Companies by employee count

1-10

3,465

11-50

1,012

51-200

172

201-500

501-1,000

1,001-5,000

5,001-10,000

B2B marketing agencies by metro

Metro	Companies
B2B marketing agencies in London	1446
B2B marketing agencies in Manchester	191
B2B marketing agencies in Birmingham	115
B2B marketing agencies in Leeds	86
B2B marketing agencies in Bristol	71
B2B marketing agencies in Liverpool	49
B2B marketing agencies in Glasgow	46

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 “B2B 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; 89 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 B2B marketing agencies are there based in the United Kingdom?

There are 4,722 B2B marketing agencies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Linney, headquartered in Mansfield, tops this list with the largest team on record.

Which city has the most B2B marketing agencies?

London leads with 1446 headquartered companies, followed by Manchester (191) and Birmingham (115).

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 9,807 verified decision-maker contacts tracked across these 4,722 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.