Company lists · Data verified August 2026

Top 25 Customer engagement platforms based in the United Kingdom

Name: Customer engagement platforms 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 315 companies tracked

There are 315 customer engagement platforms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 21,442 professional contacts across them, including 6,448 with verified work emails and 3,733 with mobile numbers. London is the largest hub.

This list covers customer engagement platforms 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.

315Companies

21,442Contacts tracked

6,448Verified emails

3,733Mobile numbers

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The 25 largest customer engagement platforms based in the United Kingdom

Ranked by team size

Top 25 of 315 customer engagement platforms 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	24 7.ai	London	10001+	8,414	547
2	8x8	Aylesbury	1,001-5,000	2,427	1,335
3	BRAZE	London	1,001-5,000	2,133	1,457
4	Attentive	London	1,001-5,000	1,328	230
5	TLC Worldwide	London	201-500	986	197
6	Iterable	London	501-1,000	766	489
7	On24	London	501-1,000	623	319
8	Jade Software Corporation	n/a	201-500	356	140
9	Pelatro	London	201-500	343	145
10	Airship	London	201-500	295	206
11	Act-On Software	Reading	201-500	209	66
12	Agentforce Commerce	London	10001+	175	99
13	Ometria	London	51-200	135	98
14	Route 101 LTD	Bristol	51-200	135	93
15	Kognitiv Corporation	London	201-500	115	3
16	Emailclub	London	51-200	103	39
17	Goodays	London	51-200	92	51
18	Spotler UK	Guildford	51-200	84	18
19	Exacttarget	London	1,001-5,000	83	47
20	TAP CXM	London	51-200	76	53
21	EDESK	London	51-200	64	37
22	Netmera	n/a	51-200	57	35
23	PLINC	London	51-200	56	32
24	Optimiser	London	51-200	56	10
25	Boxtec	Thame	51-200	52	28

Showing 25 of 315 customer engagement platforms based in the United Kingdom

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Customer engagement platforms based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 166 HQs

3,733Contacts with mobile numbers

9Emails re-verified in last 30 days

Companies by employee count

1-10

149

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Customer engagement platforms by metro

Metro	Companies
Customer engagement platforms in London	166
Customer engagement platforms in Manchester	9
Customer engagement platforms in Cambridge	4
Customer engagement platforms in Edinburgh	4
Customer engagement platforms in Glasgow	3
Customer engagement platforms in Belfast	3
Customer engagement platforms in Milton Keynes	3

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 engagement platforms”, 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; 9 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 engagement platforms are there based in the United Kingdom?

There are 315 customer engagement platforms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

24 7.ai, headquartered in London, tops this list with the largest team on record.

Which city has the most customer engagement platforms?

London leads with 166 headquartered companies, followed by Manchester (9) 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 6,448 verified decision-maker contacts tracked across these 315 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.