Company lists · Data verified August 2026

Top 18 Digital advertising agencies based in the United Kingdom

Name: Digital advertising 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 10,340 companies tracked

There are 10,340 digital advertising agencies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 66,207 professional contacts across them, including 13,195 with verified work emails and 4,384 with mobile numbers. London is the largest hub.

This list covers digital advertising 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.

10,340Companies

66,207Contacts tracked

13,195Verified emails

4,384Mobile numbers

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The 18 largest digital advertising agencies based in the United Kingdom

Ranked by team size

Top 18 of 10,340 digital advertising 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	YELL	Reading	501-1,000	1,288	285
2	NP Digital	London	1,001-5,000	862	306
3	Elixirr Digital	Colchester	201-500	310	2
4	ADD People	Altrincham	201-500	300	174
5	Stratagile	London	201-500	260	9
6	GO Inspire Group	Kettering	201-500	211	136
7	Techshu.com	London	201-500	187	17
8	METIA	London	201-500	131	44
9	Konica Minolta Marketing Services	London	501-1,000	85	1
10	Rocketmill NOW PMG	Brighton	501-1,000	82	58
11	Stickyeyes	Leeds	201-500	78	36
12	S4 Capital Group	n/a	5,001-10,000	74	27
13	Adbirds	Hub	201-500	39	30
14	Institution	Doncaster	201-500	30	2
15	Pollysys Global Solutions	Hyde	201-500	12	5
16	360 Digi Marketing	London	1,001-5,000	11	1
17	WEB Management Consultants LTD	Manchester	1,001-5,000	11	1
18	Thrive Media Group	Altrincham Manchester	201-500	8	6

Showing 18 of 10,340 digital advertising agencies based in the United Kingdom

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Digital advertising agencies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 3131 HQs

4,384Contacts with mobile numbers

37Emails re-verified in last 30 days

Companies by employee count

1-10

7,805

11-50

2,106

51-200

288

201-500

501-1,000

1,001-5,000

5,001-10,000

Digital advertising agencies by metro

Metro	Companies
Digital advertising agencies in London	3131
Digital advertising agencies in Manchester	418
Digital advertising agencies in Birmingham	260
Digital advertising agencies in Leeds	198
Digital advertising agencies in Glasgow	168
Digital advertising agencies in Bristol	135
Digital advertising agencies in Liverpool	118

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 advertising 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; 37 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 advertising agencies are there based in the United Kingdom?

There are 10,340 digital advertising agencies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

YELL, headquartered in Reading, tops this list with the largest team on record.

Which city has the most digital advertising agencies?

London leads with 3131 headquartered companies, followed by Manchester (418) and Birmingham (260).

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 13,195 verified decision-maker contacts tracked across these 10,340 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.