Company lists · Data refreshed September 2026

Top 25 Lead generation companies based in the United Kingdom

Name: Lead generation companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 1,492 companies tracked

RevenueBase identified 1,492 company matches for lead generation companies associated with the United Kingdom as of September 2026 and tracks 13,231 professional contacts across them, including 2,444 with verified work emails and 807 with mobile numbers. London is the largest hub.

This list covers company matches for lead generation companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 4, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 4, 2026 How this list was built

1,492Companies

13,231Contacts tracked

2,444Verified emails

807Mobile numbers

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The 25 largest lead generation companies based in the United Kingdom

Ranked by team size

Top 25 of 1,492 company matches for lead generation companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 4, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Qualifa	Exact match	Brighton, United KingdomHQ recorded Sep 4, 2026	51-200	440 contacts →
	Exact match “We are an award winning multilingual lead generation and market research service provider for B2B publishing, marketing, events and tech companies.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
2	MVF	Exact match	London, United KingdomHQ recorded Sep 4, 2026	201-500	417 contacts →
	Exact match “MVF powers growth for our clients by connecting them to potential customers.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
3	Entourage	Exact match	London, United KingdomHQ recorded Sep 4, 2026	51-200	363 contacts →
	Exact match “In a world where everyone’s shouting the same thing, whisper something truly distinctive in all the right ears.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
4	Astute.com	Exact match	Bournemouth, United KingdomHQ recorded Sep 4, 2026	201-500	265 contacts →
	Exact match “Welcome to Astute.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
5	Quantum Marketing	Exact match	Reading, United KingdomHQ recorded Sep 4, 2026	51-200	198 contacts →
	Exact match “Quantum Marketing hangs its hat on one simple promise: one agency, one brief, and one measure of success.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
6	Account Media	Exact match	London, United KingdomHQ recorded Sep 4, 2026	51-200	186 contacts →
	Exact match “We work exclusively with B2B publishers and lead gen providers.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
7	Interlink	Exact match	London, United KingdomHQ recorded Sep 4, 2026	51-200	181 contacts →
	Exact match “We help our clients supercharge their sales.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
8	AIR Marketing	Exact match	Exeter, United KingdomHQ recorded Sep 4, 2026	51-200	123 contacts →
	Exact match “Since 2016, Air Marketing has been the trusted outsourced sales and lead generation agency in the UK for ambitious B2B businesses.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
9	PUNCH	Exact match	London, United KingdomHQ recorded Sep 4, 2026	51-200	122 contacts →
	Exact match “Most B2B pipeline problems aren't a volume problem.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
10	GCL	Exact match	Birmingham, United KingdomHQ recorded Sep 4, 2026	51-200	120 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
11	Durhamlane	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Sep 4, 2026	51-200	114 contacts →
	Exact match “More than SDR Outsourcing.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
12	FLOWD	Exact match	Manchester, United KingdomHQ recorded Sep 4, 2026	11-50	106 contacts →
	Exact match “Flowd is an award-winning sales prospecting specialist based in the UK, Europe & US.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
13	Pursuit Marketing	Exact match	Glasgow, United KingdomHQ recorded Sep 4, 2026	51-200	96 contacts →
	Exact match “Pursuit Marketing are Experts in Demand Generation, Telemarketing, Digital Marketing and Creative Design - your 360 Marketing Provider.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
14	BLUME	Exact match	Manchester, United KingdomHQ recorded Sep 4, 2026	51-200	87 contacts →
	Exact match “Blume is here to help our customers grow.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
15	Voice Marketing LTD	Exact match	Sheffield, United KingdomHQ recorded Sep 4, 2026	201-500	75 contacts →
	Exact match “Voice is an agency that specialises in customer acquisition, development and retention programs.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
16	Creative Media	Exact match	London, United KingdomHQ recorded Sep 4, 2026	51-200	70 contacts →
	Exact match “Creative Media is a global marketing agency specializing in B2B lead generation.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
17	Angsana NEW Business Agency	Exact match	London, United KingdomHQ recorded Sep 4, 2026	11-50	60 contacts →
	Exact match “Angsana is the UK’s most respected new business development and lead generation agency for Healthcare & Life Sciences, Marketing Services and Technology companies.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
18	Marathon B2B	Exact match	London, United KingdomHQ recorded Sep 4, 2026	51-200	52 contacts →
	Exact match “We find ourselves in an era of remarkable technological advancement.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
19	Lead Tech	Exact match	Pool-In-Wharfedale, United KingdomHQ recorded Sep 4, 2026	11-50	51 contacts →
	Exact match “Lead Tech is an award-winning independent financial services lead generator, providing financial service partners with client opportunities for over 15 years.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
20	4marketing	Exact match	Portsmouth, United KingdomHQ recorded Sep 4, 2026	11-50	47 contacts →
	Exact match “4Marketing is a direct marketing agency devoted to generating new business opportunities for its clients through its focused new generation of telemarketing professionals.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
21	Advance Connects	Exact match	Ellesmere Port, United KingdomHQ recorded Sep 4, 2026	51-200	45 contacts →
	Exact match “Advance Connects are a B2B telemarketing, lead generation & appointment scheduling experts, operating within various sectors including construction, built environment, industrial…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
22	Broadley Speaking	Exact match	Tavistock, United KingdomHQ recorded Sep 4, 2026	11-50	45 contacts →
	Exact match “With over three decades of experience, we partner with B2B sales and marketing teams to drive and nurture new customer acquisition - securing conversations with the right…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
23	Beanstalk Marketing	Exact match	Southend On Sea, United KingdomHQ recorded Sep 4, 2026	11-50	43 contacts →
	Exact match “Beanstalk is an integrated B2B Telemarketing and Lead Generation agency dedicated to helping our customers win new business.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
24	First4lawyers LTD	Exact match	Huddersfield, United KingdomHQ recorded Sep 4, 2026	51-200	43 contacts →
	Exact match “Launched in 2008, First4Lawyers has grown to become the UK’s largest multi-award winning, independent legal marketing collective, specialising in lead generation for personal…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
25	Parallel Partnerships LTD	Exact match	Leeds, United KingdomHQ recorded Sep 4, 2026	51-200	43 contacts →
	Exact match “B2B and B2C outsourced Telemarketing agency.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “lead generation companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 1,492 lead generation companies based in the United Kingdom

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Lead generation companies based in the United Kingdom at a glance

As of Sep 4, 2026

18.5%Verified-email coverage

6.1%Mobile-number coverage

8.9Average contacts per company

1-10Median size (employees)

33.4%Largest-city concentration · London

Sep 4, 2026Page data refreshed

Companies by employee count

1-10

1,042

11-50

343

51-200

201-500

501-1,000

1,001-5,000

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

21431–60

1,27361–90

94290–180

15180+

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United Kingdom whose business descriptions match “lead generation companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 2,444 professional contacts with verified work emails across the full matched dataset. 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 4, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Lead generation companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “lead generation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many lead generation companies are there based in the United Kingdom?

RevenueBase identified 1,492 company matches for lead generation companies associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Qualifa tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most lead generation companies?

London leads with 498 company records, followed by Manchester (84) and Birmingham (29).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,444 professional contacts with verified work emails tracked across these 1,492 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 4, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.