Company lists · Data verified August 2026

Top 25 Contact center software companies based in the United Kingdom

Name: Contact center 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 167 companies tracked

There are 167 contact center software companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 4,104 professional contacts across them, including 1,238 with verified work emails and 354 with mobile numbers. London is the largest hub.

This list covers contact center 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.

167Companies

4,104Contacts tracked

1,238Verified emails

354Mobile numbers

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The 25 largest contact center software companies based in the United Kingdom

Ranked by team size

Top 25 of 167 contact center 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	RESQ	Seaham	1,001-5,000	493	149
2	Imimobile Part Of Webex	London	1,001-5,000	436	54
3	Calltower	London	201-500	226	128
4	Clearanswer Call Centres	Leeds	501-1,000	202	24
5	3clogic	London	51-200	189	120
6	Echo-U LTD	Newcastle Upon Tyne	201-500	140	7
7	Route 101 LTD	Bristol	51-200	135	93
8	We ARE Woven	Bristol	1,001-5,000	131	11
9	QPC	Birmingham	51-200	116	26
10	Daktela	Chester	51-200	98	72
11	FM Outsource	Bury	201-500	82	33
12	Business Systems	London	51-200	71	43
13	AKIXI	Crawley	51-200	67	53
14	Callcare	London	1,001-5,000	59	13
15	Bulb Tech	Hoddesdon	51-200	57	50
16	Contact WEB LTD	Banbury	51-200	57	38
17	Impact Call Centre	Romsey	201-500	55	14
18	Teleware PLC	Easingwold	51-200	49	25
19	Sytel LTD	Aylesbury Bucks	11-50	41	12
20	Chase Response	Croydon	501-1,000	39	3
21	Premier CX	Whitchurch	51-200	36	15
22	SVL	East Kilbride	11-50	35	18
23	Virsae	London	51-200	32	19
24	Mission Labs	Manchester	51-200	29	12
25	CTALK	Staffordshire Technology Park	51-200	28	12

Showing 25 of 167 contact center software companies based in the United Kingdom

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Contact center software companies based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 37 HQs

354Contacts 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

1,001-5,000

Contact center software companies by metro

Metro	Companies
Contact center software companies in London	37
Contact center software companies in Manchester	11
Contact center software companies in Glasgow	6
Contact center software companies in Bristol	5
Contact center software companies in Newcastle Upon Tyne	4
Contact center software companies in Leeds	3
Contact center software companies in Sheffield	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 “contact center 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; 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 contact center software companies are there based in the United Kingdom?

There are 167 contact center software companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

RESQ, headquartered in Seaham, tops this list with the largest team on record.

Which city has the most contact center software companies?

London leads with 37 headquartered companies, followed by Manchester (11) and Glasgow (6).

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 1,238 verified decision-maker contacts tracked across these 167 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.