Company lists · Data refreshed September 2026

Top 25 Outbound call center software companies based in the United Kingdom

RevenueBase identified 139 company matches for outbound call center software companies associated with the United Kingdom as of September 2026 and tracks 2,569 professional contacts across them, including 407 with verified work emails. London is the largest hub.

This list covers company matches for outbound call center software companies associated with the 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 29, 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 29, 2026 How this list was built
139Companies
2,569Contacts tracked
407Verified emails
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The 25 largest outbound call center software companies based in the United Kingdom

Ranked by team size
Top 25 of 139 company matches for outbound call center software companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchKingston Upon Hull, United KingdomHQ recorded Sep 29, 20261,001-5,000490 contacts →

Exact match

“Give your customers a voice with ResQ.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchHull, United KingdomHQ recorded Sep 29, 2026501-1,000205 contacts →

Exact match

“Established since 1998 Clearanswer is an expert provider of contact centre solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchBristol, United KingdomHQ recorded Sep 29, 20261,001-5,000132 contacts →

Exact match

“Dedicated and shared contact centre outsourcing operations.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
5Exact matchDoxford International Business Park, United KingdomHQ recorded Sep 29, 20261,001-5,000114 contacts →

Exact match

“EC Outsourcing is one of the UK's leading outsourced contact centres.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-20090 contacts →

Exact match

“A world class offshore outsourcing agency, with offices in London and Harare, we have access to some of the best educated, best spoken graduates you will find anywhere in the…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchBristol, United KingdomHQ recorded Sep 29, 202651-20083 contacts →

Exact match

“We are Subfero.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 29, 20261,001-5,00059 contacts →

Exact match

“CallCare is your outsourced contact centre and customer service partner.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchRomsey, United KingdomHQ recorded Sep 29, 2026201-50054 contacts →

Exact match

“We are an established AI-enabled call centre specialising in every aspect of sales and customer service.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-20046 contacts →

Exact match

“Direct Response can provide outsourcing of voice, data and contact centre services for organisation from a global business to a one-man operation, delivering outstanding service…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchLeeds, United KingdomHQ recorded Sep 29, 202651-20043 contacts →

Exact match

“B2B and B2C outsourced Telemarketing agency.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchShadsworth Business Park, United KingdomHQ recorded Sep 29, 202651-20041 contacts →

Exact match

“From planning & recruiting to training & delivery, we provide unbeatable outsourcing services that are not only cost effective but surpass the average UK skill set.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchCroydon, United KingdomHQ recorded Sep 29, 2026501-1,00039 contacts →

Exact match

“For over 20 years, Chase Response has delivered unrivalled standards in call centre outsourcing and customer management services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchEwell, United KingdomHQ recorded Sep 29, 202651-20035 contacts →

Exact match

“1 Stop Data offers the best of breed Marketing, Lead Generation and Call Centre services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5025 contacts →

Exact match

“Noetica are a provider of Customer Interaction Management software for use in contact centres.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchGlasgow, United KingdomHQ recorded Sep 29, 20261-1016 contacts →

Exact match

“Established since 2004, we provide Enterprise CRM & Telephony Systems for Contact Centres, which help to drive performance improvement, customer engagement & compliance.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchNorth West, United KingdomHQ recorded Sep 29, 20261,001-5,00016 contacts →

Exact match

“Contact 07541005959 for any enquiries”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchBournemouth, United KingdomHQ recorded Sep 29, 202611-5012 contacts →

Exact match

“BeCloud Solutions is an international company with over 15 years of experience in providing cloud-based services, with a special focus on Cloud Contact Center solutions, CRM/CTI…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchGlasgow, United KingdomHQ recorded Sep 29, 202611-509 contacts →

Exact match

“Inisoft are experts in developing contact centre software which empowers agents and elevates customer experience.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-2008 contacts →

Exact match

“Confero is a UK based outsourced call centre business, focussed on delivering high quality inbound, outbound, and digital services to our clients.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchNottingham, United KingdomHQ recorded Sep 29, 202611-508 contacts →

Exact match

“Prospecting Dynamics was formed to meet a need in the Automotive market, with a purpose of delivering market leading customer experience, and enhancing customer communications.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchBury, United KingdomHQ recorded Sep 29, 202651-2008 contacts →

Exact match

“At Forge Solutions, we redefine call centre services with state-of-the-art technology and tailored solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchManchester, United KingdomHQ recorded Sep 29, 20261-106 contacts →

Exact match

“USMAART’s provides business consultancy and outsourcing support to a wide range of clients across multiple sectors.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchEdinburgh, United KingdomHQ recorded Sep 29, 20261-106 contacts →

Exact match

“Alsun AI delivers advanced AI-powered call automation that replaces or enhances your customer support and sales development (SDR) functions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 139 outbound call center software companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 407 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outbound call center software companies based in the United Kingdom at a glance

As of Sep 29, 2026
15.8%Verified-email coverage
18.5Average contacts per company
11-50Median size (employees)
25.2%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
44
11-50
45
51-200
26
201-500
14
501-1,000
4
1,001-5,000
6

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 139 companies.

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 the United Kingdom whose business descriptions match “outbound call center software companies” 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 407 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 29, 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.

Outbound call center software companies by metro

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 “outbound call center software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outbound call center software companies are there based in the United Kingdom?

RevenueBase identified 139 company matches for outbound call center software companies associated with the 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?

RESQ tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most outbound call center software companies?

London leads with 35 company records, followed by Manchester (6) and Birmingham (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 407 professional contacts with verified work emails tracked across these 139 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 29, 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.