Company lists · Data verified August 2026

Top 25 Benefit corporation marketing agencies based in London, United Kingdom

Name: Benefit corporation marketing agencies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,249 companies tracked

There are 1,249 benefit corporation marketing agencies headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 13,883 professional contacts across them, including 2,303 with verified work emails and 1,273 with mobile numbers. London is the largest hub.

This list covers benefit corporation marketing agencies headquartered in London, 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.

1,249Companies

13,883Contacts tracked

2,303Verified emails

1,273Mobile numbers

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The 25 largest benefit corporation marketing agencies based in London, United Kingdom

Ranked by team size

Top 25 of 1,249 benefit corporation marketing agencies based in London, 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	OK Cool	London	51-200	259	60
2	Exposure	London	51-200	216	84
3	Antenna Group	London	51-200	146	76
4	Battenhall	London	51-200	110	91
5	Open I B Corp	London	51-200	97	29
6	23red	London	11-50	96	54
7	J2	London	51-200	88	49
8	Accord Marketing	London	51-200	87	61
9	Social Boost	London	51-200	80	6
10	The Social Shepherd	London	51-200	72	37
11	Fight OR Flight	London	51-200	66	49
12	Kaizen	London	11-50	65	29
13	The Marketing Practice	London	501-1,000	52	30
14	Seen Studios B Corp Certified	London	11-50	49	29
15	Social	London	11-50	47	21
16	Initials CX	London	51-200	47	17
17	The Think Tank	London	11-50	45	25
18	ANGEL	London	11-50	41	1
19	BBD Perfect Storm A B-Corporation	London	11-50	40	27
20	Gh05t	London	11-50	39	9
21	Margaret	London	11-50	38	9
22	Wilderness	London	51-200	34	12
23	Salt B Corp Certified	London	11-50	23	20
24	Alan. Agency	London	51-200	22	16
25	Cult LDN NYC	London	51-200	21	5

Showing 25 of 1,249 benefit corporation marketing agencies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,303 reachable decision-makers.

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Benefit corporation marketing agencies based in London, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 2089 HQs

1,273Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

906

11-50

289

51-200

201-500

501-1,000

5,001-10,000

Benefit corporation marketing agencies by metro in the United Kingdom

Metro	Companies
Benefit corporation marketing agencies in London	2089
Benefit corporation marketing agencies in Manchester	296
Benefit corporation marketing agencies in Birmingham	152
Benefit corporation marketing agencies in Leeds	129
Benefit corporation marketing agencies in Glasgow	113
Benefit corporation marketing agencies in Bristol	104
Benefit corporation marketing agencies in Liverpool	70

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 “benefit corporation marketing agencies”, with match quality audited by blind human judging, and headquartered in London, 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; 7 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 benefit corporation marketing agencies are there based in London, United Kingdom?

There are 1,249 benefit corporation marketing agencies headquartered in London, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most benefit corporation marketing agencies?

London leads with 2089 headquartered companies, followed by Manchester (296) and Birmingham (152).

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 2,303 verified decision-maker contacts tracked across these 1,249 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.