Company lists · Data verified August 2026

Top 25 Customer data platform companies based in London, United Kingdom

Name: Customer data platform 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 66 companies tracked

There are 66 customer data platform companies headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 3,062 professional contacts across them, including 1,891 with verified work emails and 936 with mobile numbers. London is the largest hub.

This list covers customer data platform 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.

66Companies

3,062Contacts tracked

1,891Verified emails

936Mobile numbers

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The 25 largest customer data platform companies based in London, United Kingdom

Ranked by team size

Top 25 of 66 customer data platform 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	BRAZE	London	1,001-5,000	2,133	1,457
2	Ometria	London	51-200	135	98
3	Acteol	London	51-200	83	51
4	Exacttarget	London	1,001-5,000	83	47
5	PLINC	London	51-200	56	32
6	Countly	London	51-200	40	1
7	Rapier AI Analytics	London	11-50	39	8
8	Leadscale Group	London	11-50	35	30
9	Acxiom Deutschland Gmbh	London	51-200	26	3
10	Dataxu	London	1,001-5,000	23	9
11	Zzgtech	London	11-50	18	8
12	Audiencerate	London	11-50	16	12
13	Sweet Analytics	London	11-50	14	11
14	Dexata	London	201-500	12	5
15	Audiences	London	11-50	11	5
16	RAIS	London	1-10	10	3
17	IIRIS	London	201-500	9	8
18	Marketing Town	London	51-200	9	1
19	Tactic	London	11-50	9	1
20	Evorra	London	11-50	8	7
21	Unifida	London	1-10	8	6
22	Fifthweapon	London	1-10	8	5
23	Exposebox	London	11-50	8	4
24	Own-Kind	London	11-50	8	3
25	Doorda	London	11-50	7	5

Showing 25 of 66 customer data platform companies based in London, United Kingdom

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Customer data platform companies based in London, United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 75 HQs

936Contacts with mobile numbers

10Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Customer data platform companies by metro in the United Kingdom

Metro	Companies
Customer data platform companies in London	75
Customer data platform companies in Manchester	4
Customer data platform companies in Birmingham	3
Customer data platform companies in Edinburgh	2
Customer data platform companies in Kington	2
Customer data platform companies in Reading	2
Customer data platform companies in Ipswich	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 “customer data platform 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; 10 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 customer data platform companies are there based in London, United Kingdom?

There are 66 customer data platform companies headquartered in London, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most customer data platform companies?

London leads with 75 headquartered companies, followed by Manchester (4) and Birmingham (3).

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 1,891 verified decision-maker contacts tracked across these 66 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.