Company lists · Data verified August 2026

Top 10 B2B database companies based in London, United Kingdom

Name: B2B database companies 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 52 companies tracked

There are 52 B2B database companies headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 371 professional contacts across them, including 113 with verified work emails and 28 with mobile numbers. London is the largest hub.

This list covers B2B database companies 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.

52Companies

371Contacts tracked

113Verified emails

28Mobile numbers

Unlock all 52 companies Free account · no credit card · 2 minutes

The 10 largest B2B database companies based in London, United Kingdom

Ranked by team size

Top 10 of 52 B2B database companies 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	Cognition Solutions	London	201-500	79	55
2	EI Global B2B Marketing Intelligence	London	11-50	42	17
3	Pearlfinders The Sales Intelligence Platform	London	11-50	36	20
4	Custom Intelligence	London	11-50	23	2
5	BSPEC	London	1-10	8	5
6	Demand Studio	London	51-200	7	5
7	Datacrete	London	1-10	6	2
8	Latch Media LTD	London	1-10	3	3
9	Bizvibe	London	51-200	3	2
10	Autus Data Services	London	1-10	3	2

Showing 10 of 52 B2B database companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 113 reachable decision-makers.

Free account · no credit card

See all 52 companies

B2B database companies based in London, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 52 HQs

28Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

B2B database companies by metro in the United Kingdom

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 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; 1 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 London, United Kingdom?

There are 52 B2B database companies headquartered in London, 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 113 verified decision-maker contacts tracked across these 52 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.

Ready to reach these companies? Verified emails and direct dials for all 52 B2B database companies based in London, United Kingdom. Start with a free account, no credit card.

Get the full list

Related lists

B2B database companies by geography

Browse the directory

Browse: Companies home · B2B database companies in United Kingdom · All United Kingdom lists · All B2B database companies lists · New lists

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.