Company lists · Data refreshed September 2026
Top 25 Customer support outsourcing companies based in the United Kingdom
RevenueBase identified 298 company matches for customer support outsourcing companies associated with the United Kingdom as of September 2026 and tracks 7,740 professional contacts across them, including 1,114 with verified work emails and 290 with mobile numbers. London is the largest hub.
This list covers company matches for customer support outsourcing 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 1, 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.
The 25 largest customer support outsourcing companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 570 contacts → | ||||
Exact match “Vertex is a leader in BPO and Customer Management Outsourcing, serving over 200 clients worldwide across many sectors.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 2 | 507 contacts → | ||||
Exact match “ESP provides IT support services across the globe.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 3 | 493 contacts → | ||||
Exact match “Give your customers a voice with ResQ.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 4 | 328 contacts → | ||||
Exact match “Skilled talent, proven processes and leading technology.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 5 | 324 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 · Sep 1, 2026 · View company records in RevenueBase | |||||
| 6 | 241 contacts → | ||||
Exact match “Response provides smart outsourcing solutions that combine high-performing talent, operational excellence, scalable talent, and technology-enabled service delivery.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 7 | 202 contacts → | ||||
Exact match “Established since 1998 Clearanswer is an expert provider of contact centre solutions.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 8 | 140 contacts → | ||||
Exact match “Echoing our clients in every conversation.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 9 | 131 contacts → | ||||
Exact match “Dedicated and shared contact centre outsourcing operations.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 10 | 104 contacts → | ||||
Exact match “Celebrating Excellence with Exquisite Solution Limited – Uganda's foremost Business Process Outsourcing authority, where excellence knows no bounds.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 11 | 84 contacts → | ||||
Exact match “We are Subfero.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 12 | 82 contacts → | ||||
Exact match “We are FM Outsource, a modern customer service outsourcer.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 13 | 81 contacts → | ||||
Exact match “Humanizing AI-Powered Customer Support The future of customer support is intelligent, efficient-and unmistakably human.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 14 | 80 contacts → | ||||
Exact match “Alliance Sales Support Services provides effective and sustainable sales solutions for your business.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 15 | 73 contacts → | ||||
Exact match “We’re a 24/7 specialist outsourced Contact Centre business.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 16 | 73 contacts → | ||||
Exact match “Tellida (Pvt) Ltd is a global outsourcing company providing Legal Process Outsourcing (LPO), Finance & Accounting Outsourcing (FAO), Contact Centre services, and Remote Business…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 17 | 59 contacts → | ||||
Exact match “CallCare is your outsourced contact centre and customer service partner.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 18 | 55 contacts → | ||||
Exact match “Employing over 250 staff, we are a well-established, highly regarded and successful outsourced multi-channel contact centre.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 19 | 54 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 · Sep 1, 2026 · View company records in RevenueBase | |||||
| 20 | 52 contacts → | ||||
Exact match “Cymphony is your 24/7 customer support partner.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 21 | 46 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 1, 2026 · View company records in RevenueBase | |||||
| 22 | 43 contacts → | ||||
Exact match “Dawleys is a UK-based outsourcing partner trusted by businesses in the UK, USA and across Europe who care about how their brand is experienced once it leaves the building.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 23 | 41 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 1, 2026 · View company records in RevenueBase | |||||
| 24 | 39 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 1, 2026 · View company records in RevenueBase | |||||
| 25 | 36 contacts → | ||||
Exact match “BPO & Technology Solutions | Contact Center Optimization | Scalable Operations As a leader at Sensible Group, I specialize in delivering high-performance BPO solutions tailored…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “customer support outsourcing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 298 customer support outsourcing companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 1,114 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Customer support outsourcing companies based in the United Kingdom at a glance
As of Sep 1, 2026Companies by employee count
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 “customer support outsourcing 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 1,114 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 1, 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.
Customer support outsourcing 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 “customer support outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many customer support outsourcing companies are there based in the United Kingdom?
RevenueBase identified 298 company matches for customer support outsourcing 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?
Vertex Data Science tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most customer support outsourcing companies?
London leads with 102 company records, followed by Manchester (14) and Birmingham (7).
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 1,114 professional contacts with verified work emails tracked across these 298 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 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 298 customer support outsourcing companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Customer support outsourcing companies by geography
- Customer support outsourcing companies based in the United States
- Customer support outsourcing companies based in Brazil
- Customer support outsourcing companies based in Germany
- Customer support outsourcing companies based in Canada
- Customer support outsourcing companies based in Italy
- Customer support outsourcing companies based in Spain
- Customer support outsourcing companies based in France
- Customer support outsourcing companies based in Mexico
- Customer support outsourcing companies based in South Africa
- Customer support outsourcing companies based in Australia
- Customer support outsourcing companies based in Poland
- Customer support outsourcing companies based in the Netherlands
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Customer support outsourcing companies based in the United States
- Customer support outsourcing companies based in Brazil
- Customer support outsourcing companies based in Germany
- Customer support outsourcing companies based in Canada
- Customer support outsourcing companies based in Italy
- Customer support outsourcing companies based in Spain
Company intelligence · public preview
Top 25 customer support outsourcing companies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 298 matching company records for customer support outsourcing companies based in the United Kingdom, with 7,740 tracked contacts and 1,114 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 customer support outsourcing companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Vertex Data Sciencevertexgroup.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 570 contacts → |
“Vertex is a leader in BPO and Customer Management Outsourcing, serving over 200 clients worldwide across many sectors.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  ESP Global Servicesespglobalservices.comHQ: HQ not recorded; location: Reading, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Reading, United Kingdom | 501-1,000 | Exact match | 507 contacts → |
“ESP provides IT support services across the globe.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  RESQresqcs.co.ukHQ: HQ not recorded; location: Seaham, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Seaham, United Kingdom | 1,001-5,000 | Exact match | 493 contacts → |
“Give your customers a voice with ResQ.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ANT Marketingantmarketing.comHQ: HQ not recorded; location: Sheffield, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Sheffield, United Kingdom | 501-1,000 | Exact match | 328 contacts → |
“Skilled talent, proven processes and leading technology.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  The Contact Companythecontactcompany.co.ukHQ: HQ not recorded; location: Wirral, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Wirral, United Kingdom | 1,001-5,000 | Exact match | 324 contacts → |
“Here at The Contact Company, we add value for clients, working as trusted partners to manage and develop their customer contact processes.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Responseresponse-bpo.comHQ: HQ not recorded; location: United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: United Kingdom | 1,001-5,000 | Exact match | 241 contacts → |
“Response provides smart outsourcing solutions that combine high-performing talent, operational excellence, scalable talent, and technology-enabled service delivery.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Clearanswer Call Centresclearanswer.co.ukHQ: HQ not recorded; location: Leeds, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Leeds, United Kingdom | 501-1,000 | Exact match | 202 contacts → |
“Established since 1998 Clearanswer is an expert provider of contact centre solutions.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Echo-U LTDecho-u.co.ukHQ: HQ not recorded; location: Newcastle Upon Tyne, United KingdomReported employees: 201-500 | HQ not recorded; location: Newcastle Upon Tyne, United Kingdom | 201-500 | Exact match | 140 contacts → |
“Echoing our clients in every conversation.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  We ARE Wovenwearewoven.comHQ: HQ not recorded; location: Bristol, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Bristol, United Kingdom | 1,001-5,000 | Exact match | 131 contacts → |
“Dedicated and shared contact centre outsourcing operations.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Exquisite Solution Limitedexquisitesolution.comHQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 104 contacts → |
“Celebrating Excellence with Exquisite Solution Limited – Uganda's foremost Business Process Outsourcing authority, where excellence knows no bounds.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Subferosubfero.comHQ: HQ not recorded; location: Bristol, United KingdomReported employees: 51-200 | HQ not recorded; location: Bristol, United Kingdom | 51-200 | Exact match | 84 contacts → |
“We are Subfero.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  FM Outsourcefmoutsource.comHQ: HQ not recorded; location: Bury, United KingdomReported employees: 201-500 | HQ not recorded; location: Bury, United Kingdom | 201-500 | Exact match | 82 contacts → |
“We are FM Outsource, a modern customer service outsourcer.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Sirius Supportsirius-support.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 81 contacts → |
“Humanizing AI-Powered Customer Support The future of customer support is intelligent, efficient-and unmistakably human.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Alliance Sales Support Services Limitedalliancesalessupport.comHQ: HQ not recorded; location: Tunbridge Wells, United KingdomReported employees: 51-200 | HQ not recorded; location: Tunbridge Wells, United Kingdom | 51-200 | Exact match | 80 contacts → |
“Alliance Sales Support Services provides effective and sustainable sales solutions for your business.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Connect Assistconnectassist.co.ukHQ: HQ not recorded; location: Cardiff, United KingdomReported employees: 201-500 | HQ not recorded; location: Cardiff, United Kingdom | 201-500 | Exact match | 73 contacts → |
“We’re a 24/7 specialist outsourced Contact Centre business.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Tellida Private Limitedtellida.comHQ: HQ not recorded; location: United KingdomReported employees: 51-200 | HQ not recorded; location: United Kingdom | 51-200 | Exact match | 73 contacts → |
“Tellida (Pvt) Ltd is a global outsourcing company providing Legal Process Outsourcing (LPO), Finance & Accounting Outsourcing (FAO), Contact Centre services, and Remote Business…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Callcarecallcare247.comHQ: HQ not recorded; location: London, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: London, United Kingdom | 1,001-5,000 | Exact match | 59 contacts → |
“CallCare is your outsourced contact centre and customer service partner.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Impact Call Centreimpactcallcentre.co.ukHQ: HQ not recorded; location: Romsey, United KingdomReported employees: 201-500 | HQ not recorded; location: Romsey, United Kingdom | 201-500 | Exact match | 55 contacts → |
“Employing over 250 staff, we are a well-established, highly regarded and successful outsourced multi-channel contact centre.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Orca Call Answering & Live Chatweareorca.comHQ: HQ not recorded; location: Wrexham, United KingdomReported employees: 51-200 | HQ not recorded; location: Wrexham, United Kingdom | 51-200 | Exact match | 54 contacts → |
“Orca offers flexible and adaptable call answering and live chat services that help clients manage costs effectively.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Cymphonycymphony.co.ukHQ: HQ not recorded; location: Crewe, United KingdomReported employees: 51-200 | HQ not recorded; location: Crewe, United Kingdom | 51-200 | Exact match | 52 contacts → |
“Cymphony is your 24/7 customer support partner.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Direct Responsedrltd.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 46 contacts → |
“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 description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Dawleysdawleys.comHQ: HQ not recorded; location: Ross-On-Wye, United KingdomReported employees: 51-200 | HQ not recorded; location: Ross-On-Wye, United Kingdom | 51-200 | Exact match | 43 contacts → |
“Dawleys is a UK-based outsourcing partner trusted by businesses in the UK, USA and across Europe who care about how their brand is experienced once it leaves the building.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Orion Call Centreorioncallcentre.comHQ: HQ not recorded; location: United KingdomReported employees: 51-200 | HQ not recorded; location: United Kingdom | 51-200 | Exact match | 41 contacts → |
“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 description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Chase Responsechaseresponse.comHQ: HQ not recorded; location: Croydon, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Croydon, United Kingdom | 501-1,000 | Exact match | 39 contacts → |
“For over 20 years, Chase Response has delivered unrivalled standards in call centre outsourcing and customer management services.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Sensible Group Internationalsensiblegroup.comHQ: HQ not recorded; location: Manchester, United KingdomReported employees: 201-500 | HQ not recorded; location: Manchester, United Kingdom | 201-500 | Exact match | 36 contacts → |
“BPO & Technology Solutions | Contact Center Optimization | Scalable Operations As a leader at Sensible Group, I specialize in delivering high-performance BPO solutions tailored…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 298 company matches
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Customer support outsourcing companies: dataset insights
September 1, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
291 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Customer support outsourcing companies by metro
Questions about this company list
What does Exact match mean for customer support outsourcing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many customer support outsourcing companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 298 matching company records, 7,740 tracked contacts and 1,114 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Customer support outsourcing companies by geography
- Customer support outsourcing companies based in the United States
- Customer support outsourcing companies based in Brazil
- Customer support outsourcing companies based in Germany
- Customer support outsourcing companies based in Canada
- Customer support outsourcing companies based in Italy
- Customer support outsourcing companies based in Spain
- Customer support outsourcing companies based in France
- Customer support outsourcing companies based in Mexico
- Customer support outsourcing companies based in South Africa
- Customer support outsourcing companies based in Australia
- Customer support outsourcing companies based in Poland
- Customer support outsourcing companies based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 customer support outsourcing companies based in the United Kingdom. Snapshot: September 1, 2026. https://revenuebase.ai/companies/customer-support-outsourcing-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Customer support outsourcing companies based in the United States
- Customer support outsourcing companies based in Brazil
- Customer support outsourcing companies based in Germany
- Customer support outsourcing companies based in Canada
- Customer support outsourcing companies based in Italy
- Customer support outsourcing companies based in Spain
Company intelligence · public preview
Top 25 customer support outsourcing companies based in the United Kingdom
RevenueBase records 298 matching company records for customer support outsourcing companies based in the United Kingdom, with 7,740 tracked contacts and 1,114 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 customer support outsourcing companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Vertex Data Sciencevertexgroup.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 570 contacts → |
“Vertex is a leader in BPO and Customer Management Outsourcing, serving over 200 clients worldwide across many sectors.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ESP Global Servicesespglobalservices.com HQ: HQ not recorded; location: Reading, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Reading, United Kingdom | 501-1,000 | Exact match | 507 contacts → |
“ESP provides IT support services across the globe.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | RESQresqcs.co.uk HQ: HQ not recorded; location: Seaham, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Seaham, United Kingdom | 1,001-5,000 | Exact match | 493 contacts → |
“Give your customers a voice with ResQ.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ANT Marketingantmarketing.com HQ: HQ not recorded; location: Sheffield, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Sheffield, United Kingdom | 501-1,000 | Exact match | 328 contacts → |
“Skilled talent, proven processes and leading technology.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | The Contact Companythecontactcompany.co.uk HQ: HQ not recorded; location: Wirral, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Wirral, United Kingdom | 1,001-5,000 | Exact match | 324 contacts → |
“Here at The Contact Company, we add value for clients, working as trusted partners to manage and develop their customer contact processes.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Responseresponse-bpo.com HQ: HQ not recorded; location: United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: United Kingdom | 1,001-5,000 | Exact match | 241 contacts → |
“Response provides smart outsourcing solutions that combine high-performing talent, operational excellence, scalable talent, and technology-enabled service delivery.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Clearanswer Call Centresclearanswer.co.uk HQ: HQ not recorded; location: Leeds, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Leeds, United Kingdom | 501-1,000 | Exact match | 202 contacts → |
“Established since 1998 Clearanswer is an expert provider of contact centre solutions.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Echo-U LTDecho-u.co.uk HQ: HQ not recorded; location: Newcastle Upon Tyne, United KingdomReported employees: 201-500 | HQ not recorded; location: Newcastle Upon Tyne, United Kingdom | 201-500 | Exact match | 140 contacts → |
“Echoing our clients in every conversation.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | We ARE Wovenwearewoven.com HQ: HQ not recorded; location: Bristol, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Bristol, United Kingdom | 1,001-5,000 | Exact match | 131 contacts → |
“Dedicated and shared contact centre outsourcing operations.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Exquisite Solution Limitedexquisitesolution.com HQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 104 contacts → |
“Celebrating Excellence with Exquisite Solution Limited – Uganda's foremost Business Process Outsourcing authority, where excellence knows no bounds.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Subferosubfero.com HQ: HQ not recorded; location: Bristol, United KingdomReported employees: 51-200 | HQ not recorded; location: Bristol, United Kingdom | 51-200 | Exact match | 84 contacts → |
“We are Subfero.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | FM Outsourcefmoutsource.com HQ: HQ not recorded; location: Bury, United KingdomReported employees: 201-500 | HQ not recorded; location: Bury, United Kingdom | 201-500 | Exact match | 82 contacts → |
“We are FM Outsource, a modern customer service outsourcer.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sirius Supportsirius-support.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 81 contacts → |
“Humanizing AI-Powered Customer Support The future of customer support is intelligent, efficient-and unmistakably human.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Alliance Sales Support Services Limitedalliancesalessupport.com HQ: HQ not recorded; location: Tunbridge Wells, United KingdomReported employees: 51-200 | HQ not recorded; location: Tunbridge Wells, United Kingdom | 51-200 | Exact match | 80 contacts → |
“Alliance Sales Support Services provides effective and sustainable sales solutions for your business.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Connect Assistconnectassist.co.uk HQ: HQ not recorded; location: Cardiff, United KingdomReported employees: 201-500 | HQ not recorded; location: Cardiff, United Kingdom | 201-500 | Exact match | 73 contacts → |
“We’re a 24/7 specialist outsourced Contact Centre business.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tellida Private Limitedtellida.com HQ: HQ not recorded; location: United KingdomReported employees: 51-200 | HQ not recorded; location: United Kingdom | 51-200 | Exact match | 73 contacts → |
“Tellida (Pvt) Ltd is a global outsourcing company providing Legal Process Outsourcing (LPO), Finance & Accounting Outsourcing (FAO), Contact Centre services, and Remote Business…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Callcarecallcare247.com HQ: HQ not recorded; location: London, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: London, United Kingdom | 1,001-5,000 | Exact match | 59 contacts → |
“CallCare is your outsourced contact centre and customer service partner.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Impact Call Centreimpactcallcentre.co.uk HQ: HQ not recorded; location: Romsey, United KingdomReported employees: 201-500 | HQ not recorded; location: Romsey, United Kingdom | 201-500 | Exact match | 55 contacts → |
“Employing over 250 staff, we are a well-established, highly regarded and successful outsourced multi-channel contact centre.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Orca Call Answering & Live Chatweareorca.com HQ: HQ not recorded; location: Wrexham, United KingdomReported employees: 51-200 | HQ not recorded; location: Wrexham, United Kingdom | 51-200 | Exact match | 54 contacts → |
“Orca offers flexible and adaptable call answering and live chat services that help clients manage costs effectively.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cymphonycymphony.co.uk HQ: HQ not recorded; location: Crewe, United KingdomReported employees: 51-200 | HQ not recorded; location: Crewe, United Kingdom | 51-200 | Exact match | 52 contacts → |
“Cymphony is your 24/7 customer support partner.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Direct Responsedrltd.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 46 contacts → |
“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 description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Dawleysdawleys.com HQ: HQ not recorded; location: Ross-On-Wye, United KingdomReported employees: 51-200 | HQ not recorded; location: Ross-On-Wye, United Kingdom | 51-200 | Exact match | 43 contacts → |
“Dawleys is a UK-based outsourcing partner trusted by businesses in the UK, USA and across Europe who care about how their brand is experienced once it leaves the building.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Orion Call Centreorioncallcentre.com HQ: HQ not recorded; location: United KingdomReported employees: 51-200 | HQ not recorded; location: United Kingdom | 51-200 | Exact match | 41 contacts → |
“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 description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Chase Responsechaseresponse.com HQ: HQ not recorded; location: Croydon, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Croydon, United Kingdom | 501-1,000 | Exact match | 39 contacts → |
“For over 20 years, Chase Response has delivered unrivalled standards in call centre outsourcing and customer management services.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sensible Group Internationalsensiblegroup.com HQ: HQ not recorded; location: Manchester, United KingdomReported employees: 201-500 | HQ not recorded; location: Manchester, United Kingdom | 201-500 | Exact match | 36 contacts → |
“BPO & Technology Solutions | Contact Center Optimization | Scalable Operations As a leader at Sensible Group, I specialize in delivering high-performance BPO solutions tailored…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Customer support outsourcing companies: dataset insights
September 1, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
291 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Customer support outsourcing companies by metro
Questions about this company list
What does Exact match mean for customer support outsourcing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many customer support outsourcing companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 298 matching company records, 7,740 tracked contacts and 1,114 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Customer support outsourcing companies by geography
- Customer support outsourcing companies based in the United States
- Customer support outsourcing companies based in Brazil
- Customer support outsourcing companies based in Germany
- Customer support outsourcing companies based in Canada
- Customer support outsourcing companies based in Italy
- Customer support outsourcing companies based in Spain
- Customer support outsourcing companies based in France
- Customer support outsourcing companies based in Mexico
- Customer support outsourcing companies based in South Africa
- Customer support outsourcing companies based in Australia
- Customer support outsourcing companies based in Poland
- Customer support outsourcing companies based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 customer support outsourcing companies based in the United Kingdom. Snapshot: September 1, 2026. https://revenuebase.ai/companies/customer-support-outsourcing-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Customer support outsourcing companies based in Germany
- Customer support outsourcing companies based in Canada
- Customer support outsourcing companies based in Italy
- Customer support outsourcing companies based in Spain