Company lists · Data verified August 2026

Top 25 Customer engagement software companies based in the United Kingdom

Name: Customer engagement software 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 159 companies tracked

There are 159 customer engagement software companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 15,467 professional contacts across them, including 3,940 with verified work emails and 2,058 with mobile numbers. London is the largest hub.

This list covers customer engagement software 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.

159Companies

15,467Contacts tracked

3,940Verified emails

2,058Mobile numbers

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The 25 largest customer engagement software companies based in the United Kingdom

Ranked by team size

Top 25 of 159 customer engagement software 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	24 7.ai	London	10001+	8,414	547
2	BRAZE	London	1,001-5,000	2,133	1,457
3	TLC Worldwide	London	201-500	986	197
4	Iterable	London	501-1,000	766	489
5	On24	London	501-1,000	623	319
6	Jade Software Corporation	n/a	201-500	356	140
7	Pelatro	London	201-500	343	145
8	Route 101 LTD	Bristol	51-200	135	93
9	Kognitiv Corporation	London	201-500	115	3
10	Goodays	London	51-200	92	51
11	Spotler UK	Guildford	51-200	84	18
12	Exacttarget	London	1,001-5,000	83	47
13	HTK An ITA Group Company	Ipswich	11-50	75	12
14	Workbooks CRM	Reading	51-200	63	44
15	Netmera	n/a	51-200	57	35
16	Passle	Oxford	11-50	54	39
17	Boxtec	Thame	51-200	52	28
18	Engage HUB	London	51-200	48	34
19	Kaizen Loyalty	London	11-50	45	29
20	Boomerang Digital	Hull	11-50	38	28
21	Visitor Chat	n/a	11-50	38	24
22	Anana LTD	n/a	51-200	27	4
23	The Retention People	Bath	51-200	25	3
24	Odicci	London	11-50	16	5
25	Prospect Path	Newcastle Upon Tyne	11-50	15	11

Showing 25 of 159 customer engagement software companies based in the United Kingdom

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Customer engagement software companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 76 HQs

2,058Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Customer engagement software companies by metro

Metro	Companies
Customer engagement software companies in London	76
Customer engagement software companies in Manchester	5
Customer engagement software companies in Cambridge	4
Customer engagement software companies in Bucks	2
Customer engagement software companies in Poole	2
Customer engagement software companies in Stevenage	2
Customer engagement software companies in Newcastle Upon Tyne	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 engagement software 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; 2 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 software companies are there based in the United Kingdom?

There are 159 customer engagement software companies 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 software companies?

London leads with 76 headquartered companies, followed by Manchester (5) 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 3,940 verified decision-maker contacts tracked across these 159 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.