Company lists · Data verified August 2026

Top 25 B2B database companies based in the United Kingdom

Name: B2B database companies 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 171 companies tracked

There are 171 B2B database companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 924 professional contacts across them, including 233 with verified work emails and 67 with mobile numbers. London is the largest hub.

This list covers B2B database companies 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.

171Companies

924Contacts tracked

233Verified emails

67Mobile numbers

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The 25 largest B2B database companies based in the United Kingdom

Ranked by team size

Top 25 of 171 B2B database companies 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	Cognition Solutions	London	201-500	79	55
2	EI Global B2B Marketing Intelligence	London	11-50	42	17
3	Think Pipeline LTD	Woking	51-200	38	2
4	Pearlfinders The Sales Intelligence Platform	London	11-50	36	20
5	Market Location	Sutton Coldfield	51-200	35	12
6	Corpdata LTD	Teignmouth	51-200	34	6
7	Data HQ LTD	Chelmsford	11-50	27	14
8	Custom Intelligence	London	11-50	23	2
9	Impact Marketing	Essex	11-50	23	1
10	Acquirz	Cheltenham	11-50	18	14
11	Marketscan	Chichester	11-50	15	8
12	I-4business Emea LTD	Farnham	11-50	13	5
13	The Data Business	Canterbury	51-200	12	10
14	Bluewater Marketing LTD	Wellingborough	11-50	12	4
15	The Datashop CRM LTD	Erdington	11-50	10	1
16	Cardwell Marketing	Tachbrook Park	11-50	10	1
17	Demand Studio	London	51-200	7	5
18	Visiontrade	n/a	11-50	6	1
19	MRA Data	n/a	11-50	5	4
20	Direct Data Squad	Bournemouth	11-50	4	2
21	Teleleads LTD	Petersfield	11-50	4	2
22	Bizibl	Welwyn Garden City	51-200	3	2
23	Bizvibe	London	51-200	3	2
24	Direct 2 Communications LTD	Chatham	11-50	2	2
25	Insight Stream LTD	Camberley	11-50	2	1

Showing 25 of 171 B2B database companies based in the United Kingdom

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B2B database companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 52 HQs

67Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

102

11-50

51-200

201-500

501-1,000

B2B database companies by metro

Metro	Companies
B2B database companies in London	52
B2B database companies in Manchester	8
B2B database companies in Cambridge	4
B2B database companies in Camberley	3
B2B database companies in Leeds	3
B2B database companies in Welwyn Garden City	2
B2B database companies in Chatham	2

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 database companies”, 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; 3 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 database companies are there based in the United Kingdom?

There are 171 B2B database companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most B2B database companies?

London leads with 52 headquartered companies, followed by Manchester (8) and Cambridge (4).

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 233 verified decision-maker contacts tracked across these 171 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.