Company lists · Data refreshed November 2026

Top 25 Multilingual call centers based in the United Kingdom

RevenueBase identified 125 company matches for multilingual call centers associated with the United Kingdom as of November 2026 and tracks 4,128 professional contacts across them, including 369 with verified work emails. London is the largest hub.

This list covers company matches for multilingual call centers 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 November 5, 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 Nov 5, 2026 How this list was built
125Companies
4,128Contacts tracked
369Verified emails
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The 25 largest multilingual call centers based in the United Kingdom

Ranked by team size
Top 25 of 125 company matches for multilingual call centers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchAltrincham, United KingdomHQ recorded Nov 5, 202610001+976 contacts →

Exact match

“At Convergys Intelligent Contact, we build sustainable revenue streams for our clients.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBirkenhead, United KingdomHQ recorded Nov 5, 20261,001-5,000358 contacts →

Exact match

“Here at The Contact Company, we add value for clients, working as trusted partners to manage and develop their customer contact processes.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSheffield, United KingdomHQ recorded Nov 5, 2026501-1,000347 contacts →

Exact match

“Skilled talent, proven processes and leading technology.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchBrighton, United KingdomHQ recorded Nov 5, 2026201-500280 contacts →

Exact match

“The Telemarketing Company is one of the UK's most trusted telemarketing agencies, delivering flexible, high-quality voice services, including pre and post sales research…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchHull, United KingdomHQ recorded Nov 5, 2026501-1,000205 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchBristol, United KingdomHQ recorded Nov 5, 20261,001-5,000148 contacts →

Exact match

“Dedicated and shared contact centre outsourcing operations.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBury, United KingdomHQ recorded Nov 5, 2026201-50082 contacts →

Exact match

“We are FM Outsource, a modern customer service outsourcer.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchBristol, United KingdomHQ recorded Nov 5, 202651-20081 contacts →

Exact match

“We are Subfero.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchBanbury, United KingdomHQ recorded Nov 5, 202651-20069 contacts →

Exact match

“At Contact Web, we deliver customer experience outsourcing differently.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Nov 5, 20261,001-5,00061 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchRomsey, United KingdomHQ recorded Nov 5, 2026201-50058 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 · Nov 5, 2026 · View company records in RevenueBase
12Exact matchWrexham, United KingdomHQ recorded Nov 5, 202651-20053 contacts →

Exact match

“Orca offers flexible and adaptable call answering and live chat services that help clients manage costs effectively.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchCroydon, United KingdomHQ recorded Nov 5, 2026501-1,00040 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 · Nov 5, 2026 · View company records in RevenueBase
14Exact matchChippenham, United KingdomHQ recorded Nov 5, 2026201-50036 contacts →

Exact match

“As a boutique customer service provider, we put customers and colleagues at the heart of everything we do, helping businesses grow by connecting with their customers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchNorwich, United KingdomHQ recorded Nov 5, 202651-20030 contacts →

Exact match

“OpenContact is your trusted UK-based partner for multi-channel customer contact.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchLeeds, United KingdomHQ recorded Nov 5, 202651-20024 contacts →

Exact match

“Telu is the complete business solution for generating leads and revenue for your business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchЛондон, United KingdomHQ recorded Nov 5, 202651-20021 contacts →

Exact match

“Dealist.solutions, part of "Pivot" LTD, provides outsourcing solutions in the interests, on the instructions and on behalf of the General contractor.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchMansfield, United KingdomHQ recorded Nov 5, 202651-20019 contacts →

Exact match

“CommLink is a UK inbound call centre providing 24 x 7 support to businesses throughout the UK and in the US.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchRedruth, United KingdomHQ recorded Nov 5, 202651-20016 contacts →

Exact match

“At Phoneta we’re always on the phone so you don’t have to be.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchCambridge, United KingdomHQ recorded Nov 5, 202611-5010 contacts →

Exact match

“Established in Zoom Answer Call is a Telephone Answering Service genuinely dedicated to providing the highest level of Customer Service in the industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchNewbury, United KingdomHQ recorded Nov 5, 202611-509 contacts →

Exact match

“Call Answering and Web Chat from The Phone Answering Specialists.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBury, United KingdomHQ recorded Nov 5, 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 · Nov 5, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-107 contacts →

Exact match

“At alaouico, we understand the challenges businesses face with customer interactions-whether it's managing high call volumes, ensuring timely responses, or maintaining customer…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchCheam, United KingdomHQ recorded Nov 5, 202651-2006 contacts →

Exact match

“Interactive Marketing has over 20 years’ experience in providing an inbound and outbound call service specialising in customer relationship and database management.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchShipley, United KingdomHQ recorded Nov 5, 202611-506 contacts →

Exact match

“UK Based Telephone Answering and Call Handling Services for all sizes and types of business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 125 multilingual call centers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 369 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Multilingual call centers based in the United Kingdom at a glance

As of Nov 5, 2026
8.9%Verified-email coverage
33.0Average contacts per company
11-50Median size (employees)
26.4%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
26
11-50
37
51-200
35
201-500
11
501-1,000
7
1,001-5,000
5
10001+
1

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 125 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 “multilingual call centers” 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 369 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 November 5, 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 “multilingual call centers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many multilingual call centers are there based in the United Kingdom?

RevenueBase identified 125 company matches for multilingual call centers associated with the United Kingdom as of November 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?

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

Which city has the most multilingual call centers?

London leads with 33 company records, followed by Bristol (4) and Birmingham (3).

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 369 professional contacts with verified work emails tracked across these 125 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 November 5, 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.