Company lists · Data verified August 2026

Top 25 B2B demand generation agencies based in London, United Kingdom

Name: B2B demand generation 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 561 companies tracked

There are 561 B2B demand generation agencies headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 9,928 professional contacts across them, including 1,643 with verified work emails and 802 with mobile numbers. London is the largest hub.

This list covers B2B demand generation 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.

561Companies

9,928Contacts tracked

1,643Verified emails

802Mobile numbers

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The 25 largest B2B demand generation agencies based in London, United Kingdom

Ranked by team size

Top 25 of 561 B2B demand generation 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	Digitalzone	London	501-1,000	557	137
2	MVF	London	201-500	417	246
3	Entourage	London	51-200	363	81
4	Vereigen Media	London	201-500	302	38
5	Intentsify	London	201-500	216	147
6	BNZSA	London	201-500	195	6
7	Account Media	London	51-200	186	39
8	Publicis PRO	London	51-200	140	34
9	BBN	London	1,001-5,000	85	8
10	Konica Minolta Marketing Services	London	501-1,000	85	1
11	Propeller Group	London	51-200	71	50
12	Fight OR Flight	London	51-200	66	49
13	Angsana NEW Business Agency	London	11-50	60	17
14	The Marketing Practice	London	501-1,000	52	30
15	Marathon B2B	London	51-200	52	1
16	D2ms	London	51-200	50	9
17	Orbitalx	London	51-200	49	11
18	The Think Tank	London	11-50	45	25
19	Advance Connects	London	51-200	45	20
20	Rocket Saas	London	51-200	38	25
21	TRUE	London	51-200	38	18
22	Seventic	London	11-50	38	4
23	The Croc	London	51-200	37	19
24	Lion Reach Media	London	51-200	28	9
25	Userled	London	11-50	27	18

Showing 25 of 561 B2B demand generation 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 1,643 reachable decision-makers.

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B2B demand generation agencies based in London, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 561 HQs

802Contacts with mobile numbers

15Emails re-verified in last 30 days

Companies by employee count

1-10

348

11-50

154

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

B2B demand generation agencies by metro in the United Kingdom

Metro	Companies
B2B demand generation agencies in London	561
B2B demand generation agencies in Manchester	77
B2B demand generation agencies in Birmingham	34
B2B demand generation agencies in Bristol	26
B2B demand generation agencies in Liverpool	22
B2B demand generation agencies in Leeds	21
B2B demand generation agencies in Reading	19

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 demand generation 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; 15 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 demand generation agencies are there based in London, United Kingdom?

There are 561 B2B demand generation agencies headquartered in London, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most B2B demand generation agencies?

London leads with 561 headquartered companies, followed by Manchester (77) and Birmingham (34).

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 1,643 verified decision-maker contacts tracked across these 561 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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B2B demand generation 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.