Company lists · Data verified August 2026

Top 25 Digital agencies based in the United Kingdom

Name: Digital 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 27,510 companies tracked

There are 27,510 digital agencies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 245,348 professional contacts across them, including 60,568 with verified work emails and 21,369 with mobile numbers. London is the largest hub.

This list covers digital 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.

27,510Companies

245,348Contacts tracked

60,568Verified emails

21,369Mobile numbers

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The 25 largest digital agencies based in the United Kingdom

Ranked by team size

Top 25 of 27,510 digital 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	Oliver The Brandtech Group	n/a	1,001-5,000	3,242	1,690
3	Iprospect	London	5,001-10,000	2,395	743
4	Mother	London	501-1,000	2,364	40
5	CARAT	London	5,001-10,000	2,229	697
6	TMS	London	1,001-5,000	1,685	684
7	APS Group	Leicester	501-1,000	1,157	477
8	And Digital	London	1,001-5,000	1,048	487
9	Omnicom Media Group UK	London	5,001-10,000	993	167
10	T&p	London	1,001-5,000	941	430
11	NP Digital	London	1,001-5,000	862	306
12	Wongdoody	London	1,001-5,000	846	472
13	Anomaly	London	501-1,000	765	426
14	Linney	Mansfield	1,001-5,000	651	450
15	LS Digital Group	London	1,001-5,000	586	224
16	Ogilvy UK	n/a	501-1,000	499	344
17	Essencemediacom UK	Leeds	501-1,000	416	258
18	Merkle Emea	Edinburgh	5,001-10,000	380	165
19	Newbase	London	501-1,000	282	28
20	Jaywing	Leeds	501-1,000	233	103
21	Kinesso Uk&i	London	501-1,000	194	120
22	Avidity	Glasgow	1,001-5,000	152	40
23	Zenith	London	5,001-10,000	136	26
24	The Mission Group	London	1,001-5,000	114	70
25	MSQ	London	1,001-5,000	113	65

Showing 25 of 27,510 digital agencies based in the United Kingdom

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Digital agencies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 9502 HQs

21,369Contacts with mobile numbers

128Emails re-verified in last 30 days

Companies by employee count

1-10

20,472

11-50

5,686

51-200

896

201-500

151

501-1,000

1,001-5,000

5,001-10,000

Digital agencies by metro

Metro	Companies
Digital agencies in London	9502
Digital agencies in Manchester	1026
Digital agencies in Birmingham	568
Digital agencies in Leeds	476
Digital agencies in Bristol	383
Digital agencies in Glasgow	360
Digital agencies in Edinburgh	288

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 “digital 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; 128 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 digital agencies are there based in the United Kingdom?

There are 27,510 digital 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 digital agencies?

London leads with 9502 headquartered companies, followed by Manchester (1026) and Birmingham (568).

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 60,568 verified decision-maker contacts tracked across these 27,510 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.