Company lists · Data verified August 2026

Top 25 B2B marketing consulting agencies based in the United Kingdom

Name: B2B marketing consulting 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 6,270 companies tracked

There are 6,270 B2B marketing consulting agencies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 38,295 professional contacts across them, including 9,259 with verified work emails and 3,101 with mobile numbers. London is the largest hub.

This list covers B2B marketing consulting 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.

6,270Companies

38,295Contacts tracked

9,259Verified emails

3,101Mobile numbers

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The 25 largest B2B marketing consulting agencies based in the United Kingdom

Ranked by team size

Top 25 of 6,270 B2B marketing consulting 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	Entourage	London	51-200	363	81
3	Elixirr Digital	Colchester	201-500	310	2
4	Astute.com	Bournemouth	201-500	265	38
5	GO Inspire Group	Kettering	201-500	211	136
6	Bray Leino	Harefield	201-500	184	102
7	Cc33 Global Limited	Sheffield	201-500	171	28
8	R3	London	201-500	147	31
9	METIA	London	201-500	131	44
10	Proctor Stevenson	Bristol	51-200	92	40
11	BBN	London	1,001-5,000	85	8
12	Konica Minolta Marketing Services	London	501-1,000	85	1
13	Brainsouls	Birmingham	51-200	81	1
14	Stickyeyes	Leeds	201-500	78	36
15	OMNE	Ampthill	51-200	72	60
16	The Bliss Group	London	51-200	72	37
17	Armstrongb2b	Chester	51-200	67	49
18	Revere Agency	London	51-200	57	40
19	CI Group	London	51-200	57	33
20	Sircles Digital Marketing Agency	Dudley	51-200	53	6
21	The Marketing Practice	London	501-1,000	52	30
22	D2ms	London	51-200	50	9
23	Future Factory	Glasgow	51-200	40	21
24	Stack Solutions Group	London	201-500	39	4
25	Scalewise	London	51-200	35	7

Showing 25 of 6,270 B2B marketing consulting agencies based in the United Kingdom

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B2B marketing consulting agencies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 1986 HQs

3,101Contacts with mobile numbers

50Emails re-verified in last 30 days

Companies by employee count

1-10

5,018

11-50

1,013

51-200

172

201-500

501-1,000

1,001-5,000

5,001-10,000

B2B marketing consulting agencies by metro

Metro	Companies
B2B marketing consulting agencies in London	1986
B2B marketing consulting agencies in Manchester	200
B2B marketing consulting agencies in Birmingham	113
B2B marketing consulting agencies in Leeds	97
B2B marketing consulting agencies in Bristol	74
B2B marketing consulting agencies in Edinburgh	69
B2B marketing consulting agencies in Liverpool	59

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 consulting 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; 50 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 consulting agencies are there based in the United Kingdom?

There are 6,270 B2B marketing consulting 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 consulting agencies?

London leads with 1986 headquartered companies, followed by Manchester (200) and Birmingham (113).

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 9,259 verified decision-maker contacts tracked across these 6,270 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.