Company lists · Data verified August 2026

Top 25 Direct response advertising agencies based in the United Kingdom

Name: Direct response 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 1,192 companies tracked

There are 1,192 direct response advertising agencies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 20,080 professional contacts across them, including 5,527 with verified work emails and 1,632 with mobile numbers. London is the largest hub.

This list covers direct response 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.

1,192Companies

20,080Contacts tracked

5,527Verified emails

1,632Mobile numbers

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The 25 largest direct response advertising agencies based in the United Kingdom

Ranked by team size

Top 25 of 1,192 direct response 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	Anomaly	London	501-1,000	765	426
2	Linney	Mansfield	1,001-5,000	651	450
3	MG OMD	London	201-500	553	332
4	Ogilvy UK	n/a	501-1,000	499	344
5	TMW	Bristol	201-500	442	163
6	The7stars	London	201-500	296	196
7	Forsman & Bodenfors	London	201-500	257	179
8	Havas London	London	201-500	163	76
9	Grey London	London	201-500	158	69
10	Lucky Generals	London	51-200	150	86
11	Krow Group	Norwich	201-500	149	1
12	Pablo London	London	51-200	135	78
13	The Focus Agency Group	Manchester	51-200	132	94
14	CHS	Christchurch	51-200	129	39
15	Essencemediacomx	London	501-1,000	107	54
16	HPS Group	Marlow	51-200	92	1
17	The River Group	London	51-200	89	54
18	Accord Marketing	London	51-200	87	61
19	Innocean UK	London	51-200	78	54
20	Clarion Communications	London	51-200	75	38
21	Dunn&co	Kingston Upon Thames	51-200	70	47
22	Ardmore	Belfast	51-200	68	46
23	Bicycle B Corp	Clerkenwell	51-200	65	42
24	Geronimo	London	51-200	65	1
25	Impero	n/a	51-200	62	8

Showing 25 of 1,192 direct response advertising agencies based in the United Kingdom

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Direct response advertising agencies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 404 HQs

1,632Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

695

11-50

379

51-200

201-500

501-1,000

1,001-5,000

Direct response advertising agencies by metro

Metro	Companies
Direct response advertising agencies in London	404
Direct response advertising agencies in Manchester	46
Direct response advertising agencies in Birmingham	29
Direct response advertising agencies in Leeds	26
Direct response advertising agencies in Bristol	18
Direct response advertising agencies in Edinburgh	14
Direct response advertising agencies in Glasgow	12

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 “direct response 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; 5 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 direct response advertising agencies are there based in the United Kingdom?

There are 1,192 direct response advertising agencies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most direct response advertising agencies?

London leads with 404 headquartered companies, followed by Manchester (46) and Birmingham (29).

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 5,527 verified decision-maker contacts tracked across these 1,192 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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Related lists

Direct response advertising agencies by geography

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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.