Company lists · Data refreshed September 2026

Top 25 Demand gen consulting firms based in the United Kingdom

Name: Demand gen consulting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 1, 2026 1,469 companies tracked

There are 1,469 demand gen consulting firms headquartered in the United Kingdom (RevenueBase, September 2026). RevenueBase tracks 15,083 professional contacts across them, including 3,252 with verified work emails and 988 with mobile numbers. London is the largest hub.

This list covers demand gen consulting firms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 1, 2026.

1,469Companies

15,083Contacts tracked

3,252Verified emails

988Mobile numbers

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The 25 largest demand gen consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 1,469 demand gen consulting firms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 1, 2026. Evidence rates how directly each company's own description names demand gen consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts	Verified emails
1	DigitalzoneStrong evidence “Digitalzone is a global marketing and demand gen company dedicated to delivering compliant leads, exceptional customer satisfaction, and an end-to-end approach.” Source: company website · checked Sep 1, 2026	London, United Kingdom	501-1,000	557	137
2	QualifaIndirect evidence “We are an award winning multilingual lead generation and market research service provider for B2B publishing, marketing, events and tech companies.” Source: company website · checked Sep 1, 2026	Brighton, United Kingdom	51-200	440	2
3	MVFIndirect evidence “MVF powers growth for our clients by connecting them to potential customers.” Source: company website · checked Sep 1, 2026	London, United Kingdom	201-500	417	246
4	EntourageIndirect evidence “In a world where everyone’s shouting the same thing, whisper something truly distinctive in all the right ears.” Source: company website · checked Sep 1, 2026	London, United Kingdom	51-200	363	81
5	Vereigen MediaPartial evidence “Vereigen Media is a U.S-based B2B demand generation company that supports organizations connect with data-driven lead generation and audience engagement solutions.” Source: company website · checked Sep 1, 2026	London, United Kingdom	201-500	302	38
6	Astute.comIndirect evidence “Welcome to Astute.” Source: company website · checked Sep 1, 2026	Bournemouth, United Kingdom	201-500	265	38
7	GO Inspire GroupIndirect evidence “Welcome to Go Inspire - Your Marketing Performance Partner!” Source: company website · checked Sep 1, 2026	Kettering, United Kingdom	201-500	211	136
8	Quantum MarketingIndirect evidence “Quantum Marketing hangs its hat on one simple promise: one agency, one brief, and one measure of success.” Source: company website · checked Sep 1, 2026	Reading, United Kingdom	51-200	198	1
9	BNZSAPartial evidence “BNZSA, powered by Anteriad is a leading marketing agency specialising in tele-based demand generation with a team of more than 350 who are experts in delivering qualified…” Source: company website · checked Sep 1, 2026	London, United Kingdom	201-500	195	6
10	Cc33 Global LimitedIndirect evidence “CC33 is a boutique agency with big ideas providing marketing solutions tailored to specifically meet your sales and marketing needs.” Source: company website · checked Sep 1, 2026	Sheffield, United Kingdom	201-500	171	28
11	Publicis PROIndirect evidence “Publicis Pro is the specialist B2B marketing agency within Publicis Groupe, the world's number one marketing holding group.” Source: company website · checked Sep 1, 2026	London, United Kingdom	51-200	140	34
12	TBT MarketingIndirect evidence “The B2B marketing agency built for complex tech sales.” Source: company website · checked Sep 1, 2026	Frome, United Kingdom	51-200	138	51
13	AIR MarketingIndirect evidence “Since 2016, Air Marketing has been the trusted outsourced sales and lead generation agency in the UK for ambitious B2B businesses.” Source: company website · checked Sep 1, 2026	Exeter, United Kingdom	51-200	123	47
14	GCLIndirect evidence “GCL, with its unique, non-scripted approach to telemarketing and related marketing services, has for over 30 years established an enviable reputation for providing winning lead…” Source: company website · checked Sep 1, 2026	Birmingham, United Kingdom	51-200	120	18
15	DurhamlaneIndirect evidence “More than SDR Outsourcing.” Source: company website · checked Sep 1, 2026	Newcastle Upon Tyne, United Kingdom	51-200	114	74
16	Pursuit MarketingPartial evidence “Pursuit Marketing are Experts in Demand Generation, Telemarketing, Digital Marketing and Creative Design - your 360 Marketing Provider.” Source: company website · checked Sep 1, 2026	Glasgow, United Kingdom	51-200	96	8
17	Konica Minolta Marketing ServicesIndirect evidence “Head to Indicia Worldwide for our exciting new profile, packed with great content.” Source: company website · checked Sep 1, 2026	London, United Kingdom	501-1,000	85	1
18	Creative MediaIndirect evidence “Creative Media is a global marketing agency specializing in B2B lead generation.” Source: company website · checked Sep 1, 2026	Omagh, United Kingdom	51-200	70	27
19	Fifth RingIndirect evidence “Fifth Ring is the global B2B marketing agency chosen by clients who seek to take their businesses to the next level.” Source: company website · checked Sep 1, 2026	Aberdeen, United Kingdom	51-200	63	35
20	Tfli LTDIndirect evidence “TFLI are a leading B2B & B2C customer generation agency, driving growth for some of the world's biggest brands.” Source: company website · checked Sep 1, 2026	Macclesfield, United Kingdom	51-200	61	40
21	Revere AgencyIndirect evidence “Revere is now Marketbridge, the Go-to-Market® growth firm, delivering even more value across a wider spectrum of marketing and sales initiatives.” Source: company website · checked Sep 1, 2026	London, United Kingdom	51-200	57	40
22	Sircles Digital Marketing AgencyIndirect evidence “We are a full-stack digital marketing agency focused on B2B companies.” Source: company website · checked Sep 1, 2026	Dudley, United Kingdom	51-200	53	6
23	The Marketing PracticePartial evidence “At The Marketing Practice, we’ve combined the best B2B specialists from across the globe in one business, with capabilities that stretch through the funnel, from brand to demand…” Source: company website · checked Sep 1, 2026	London, United Kingdom	501-1,000	52	30
24	Marathon B2BIndirect evidence “We find ourselves in an era of remarkable technological advancement.” Source: company website · checked Sep 1, 2026	London, United Kingdom	51-200	52	1
25	MatterIndirect evidence “The problem with B2B growth isn't a lack of activity.” Source: company website · checked Sep 1, 2026	Leeds, United Kingdom	51-200	39	19

Showing 25 of 1,469 demand gen consulting firms based in the United Kingdom

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Demand gen consulting firms based in the United Kingdom at a glance

As of Sep 1, 2026

1-10Median size (employees)

LondonLargest hub · 504 HQs

988Contacts with mobile numbers

Sep 1, 2026Data refreshed

Companies by employee count

1-10

1,031

11-50

338

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Demand gen consulting firms by metro

Metro	Companies
Demand gen consulting firms in London	504
Demand gen consulting firms in Manchester	59
Demand gen consulting firms in Birmingham	30
Demand gen consulting firms in Reading	21
Demand gen consulting firms in Leeds	21
Demand gen consulting firms in Liverpool	19
Demand gen consulting firms in Bristol	19

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among demand gen consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “demand gen consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among demand gen consulting firms, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself.
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: Every listed company carries at least one verified work email, 3,252 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 1, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

How many demand gen consulting firms are there based in the United Kingdom?

There are 1,469 demand gen consulting firms headquartered in the United Kingdom as of September 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 demand gen consulting firms?

London leads with 504 headquartered companies, followed by Manchester (59) and Birmingham (30).

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 3,252 verified decision-maker contacts tracked across these 1,469 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 1, 2026.

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Demand gen consulting firms 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.