Company lists · Data verified August 2026

Top 25 Cloud call center software based in the United Kingdom

Name: Cloud call center software 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 cloud call center software headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 6,624 professional contacts across them, including 2,855 with verified work emails and 926 with mobile numbers. London is the largest hub.

This list covers cloud call center software 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

6,624Contacts tracked

2,855Verified emails

926Mobile numbers

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The 25 largest cloud call center software based in the United Kingdom

Ranked by team size

Top 25 of 167 cloud call center software 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	8x8	Aylesbury	1,001-5,000	2,427	1,335
2	RESQ	Seaham	1,001-5,000	493	149
3	Imimobile Part Of Webex	London	1,001-5,000	436	54
4	Vocalcom	Uk	201-500	233	119
5	Calltower	London	201-500	226	128
6	Clearanswer Call Centres	Leeds	501-1,000	202	24
7	3clogic	London	51-200	189	120
8	Luware	London	51-200	154	110
9	Echo-U LTD	Newcastle Upon Tyne	201-500	140	7
10	Route 101 LTD	Bristol	51-200	135	93
11	QPC	Birmingham	51-200	116	26
12	Daktela	Chester	51-200	98	72
13	FM Outsource	Bury	201-500	82	33
14	Cloudcall	Leicester	51-200	75	49
15	AKIXI	Crawley	51-200	67	53
16	Nebula	Guildford	51-200	60	29
17	Bulb Tech	Hoddesdon	51-200	57	50
18	Firstcom Europe LTD	Bolton	51-200	55	40
19	Teleware PLC	Easingwold	51-200	49	25
20	Sytel LTD	Aylesbury Bucks	11-50	41	12
21	Chase Response	Croydon	501-1,000	39	3
22	Qcontact	Manchester Manchester	11-50	36	14
23	SVL	East Kilbride	11-50	35	18
24	rocketphone.ai	London	11-50	30	16
25	Mission Labs	Manchester	51-200	29	12

Showing 25 of 167 cloud call center software based in the United Kingdom

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Cloud call center software based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 38 HQs

926Contacts with mobile numbers

12Emails 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

Cloud call center software by metro

Metro	Companies
Cloud call center software in London	38
Cloud call center software in Manchester	11
Cloud call center software in Glasgow	5
Cloud call center software in Birmingham	4
Cloud call center software in St. Albans	3
Cloud call center software in Croydon	3
Cloud call center software in Feltham	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 “cloud call center software”, 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; 12 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 cloud call center software are there based in the United Kingdom?

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

What is the largest company on this list?

8x8, headquartered in Aylesbury, tops this list with the largest team on record.

Which city has the most cloud call center software?

London leads with 38 headquartered companies, followed by Manchester (11) and Glasgow (5).

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 2,855 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.