Company lists · Data verified August 2026

Top 25 Customer data platform developers based in the United Kingdom

Name: Customer data platform developers 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 321 companies tracked

There are 321 customer data platform developers headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 8,621 professional contacts across them, including 4,083 with verified work emails and 1,794 with mobile numbers. London is the largest hub.

This list covers customer data platform developers 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.

321Companies

8,621Contacts tracked

4,083Verified emails

1,794Mobile numbers

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The 25 largest customer data platform developers based in the United Kingdom

Ranked by team size

Top 25 of 321 customer data platform developers 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	BRAZE	London	1,001-5,000	2,133	1,457
2	Caci LTD	Birmingham	1,001-5,000	1,657	783
3	On24	London	501-1,000	623	319
4	Intelling LTD	Manchester Manchester	501-1,000	353	48
5	EDIT	Bath	51-200	224	41
6	Act-On Software	Reading	201-500	209	66
7	Sagacity	London	51-200	148	105
8	Ometria	London	51-200	135	98
9	Massive Rocket Global Braze & Snowflake Agency	London	51-200	103	62
10	Spotler UK	Guildford	51-200	84	18
11	Acteol	London	51-200	83	51
12	Exacttarget	London	1,001-5,000	83	47
13	TAP CXM	London	51-200	76	53
14	Tekcor4	London	51-200	61	45
15	Netmera	n/a	51-200	57	35
16	Good Growth	Birmingham	51-200	57	21
17	PLINC	London	51-200	56	32
18	Optimiser	London	51-200	56	10
19	Bidnamic	Leeds	51-200	53	29
20	Armadillo	Bristol	51-200	48	24
21	Selecta SOL	Manchester	51-200	47	1
22	Scanmarqed	London	51-200	43	35
23	Zenithive	London	51-200	42	6
24	Salocin Group	Bath	51-200	40	30
25	Countly	London	51-200	40	1

Showing 25 of 321 customer data platform developers based in the United Kingdom

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Customer data platform developers based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 148 HQs

1,794Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

160

11-50

51-200

201-500

501-1,000

1,001-5,000

Customer data platform developers by metro

Metro	Companies
Customer data platform developers in London	148
Customer data platform developers in Manchester	9
Customer data platform developers in Edinburgh	7
Customer data platform developers in Bristol	6
Customer data platform developers in Bracknell	4
Customer data platform developers in Leeds	4
Customer data platform developers in Harrogate	4

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 developers”, 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 customer data platform developers are there based in the United Kingdom?

There are 321 customer data platform developers headquartered in the 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 developers?

London leads with 148 headquartered companies, followed by Manchester (9) and Edinburgh (7).

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 4,083 verified decision-maker contacts tracked across these 321 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.