Company lists · Data refreshed September 2026

Top 16 Cloud call center software based in London, United Kingdom

RevenueBase identified 30 company matches for cloud call center software associated with London, United Kingdom as of September 2026 and tracks 964 professional contacts across them, including 211 with verified work emails and 80 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for cloud call center software associated with London, United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 8, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 8, 2026 How this list was built
30Companies
964Contacts tracked
211Verified emails
80Mobile numbers
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The 16 largest cloud call center software based in London, United Kingdom

Ranked by team size
Top 16 of 30 company matches for cloud call center software based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 8, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 8, 20261,001-5,000433 contacts →

Exact match

“We've moved!”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 8, 202651-200127 contacts →

Exact match

“Natterbox is an AI-powered contact center solution that's natively integrated to Salesforce.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 8, 202611-5043 contacts →

Exact match

“Xinix is UK’s leading cloud-based unified communication provider making persistent efforts towards modernizing business communications.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 8, 202611-5030 contacts →

Exact match

“RocketPhone.ai empowers organisations to unlock the full potential of their customer conversations by transforming them into actionable insights.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 8, 202611-5028 contacts →

Exact match

“Our customer service outsourcing and software solutions create happier customers, happier customer service agents, and save you money.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 8, 202611-5022 contacts →

Exact match

“Zing is a Twilio Gold Partner.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 8, 202611-5016 contacts →

Exact match

“Specialised cloud contact centre services for charities, retail, public bodies & construction.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 8, 202611-5015 contacts →

Exact match

“VTSL Ltd is a leading cloud communications company in the UK & Ireland.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 8, 202611-508 contacts →

Exact match

“Invomo’s hosted applications and services can transform phone-based communications with an organisation’s customers - whether landline or mobile, inbound and outbound.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 8, 202611-507 contacts →

Exact match

“Phase2 is a specialist Cloud Contact Centre (CCaaS) solutions partner, delivering bespoke, data-driven solutions that transform customer experience and business operations.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 8, 202611-506 contacts →

Exact match

“Kasookoo is a dynamic cloud-native platform that is redefining business communication.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 8, 202611-505 contacts →

Exact match

“Cloudworks.cc is the SaaS child of Sensée, the pioneers in work-from-home (aka home working) for medium to large contact centres.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 8, 202611-504 contacts →

Exact match

“Voxologic provides cloud contact center implementation and integration services.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 8, 2026201-5002 contacts →

Exact match

“At EveryDay Voip we provide Cloud Based Pbx services for Small, Medium and Large businesses, no matter your requirement or location.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 8, 202611-502 contacts →

Exact match

“Cordless is a modern cloud-based call centre for customer support teams, with built-in conversational intelligence.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 8, 20261-102 contacts →

Exact match

“nSolve are the proud developers of nCall - the comprehensive Telephone Answering Service software package.”

Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase

Showing 16 of 30 cloud call center software based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 211 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cloud call center software based in London, United Kingdom at a glance

As of Sep 8, 2026
21.9%Verified-email coverage
8.3%Mobile-number coverage
32.1Average contacts per company
11-50Median size (employees)
Sep 8, 2026Page data refreshed

Companies by employee count

1-10
3
11-50
18
51-200
6
201-500
2
1,001-5,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with London, United Kingdom whose business descriptions match “cloud call center software” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 211 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 8, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cloud call center software”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cloud call center software are there based in London, United Kingdom?

RevenueBase identified 30 company matches for cloud call center software associated with London, United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Imimobile Part Of Webex tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most cloud call center software?

London leads the United Kingdom with 38 company records, 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 limited free results with 500 credits to start. Upgrading provides access to the 211 professional contacts with verified work emails tracked across these 30 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 8, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.