Company lists · Data refreshed October 2026
Top 25 Call center system suppliers based in the United Kingdom
RevenueBase identified 112 company matches for call center system suppliers associated with the United Kingdom as of October 2026 and tracks 2,509 professional contacts across them, including 676 with verified work emails. London is the largest hub.
This list covers company matches for call center system suppliers 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 October 19, 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 call center system suppliers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 512 contacts → | ||||
Exact match “Give your customers a voice with ResQ.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 2 | 229 contacts → | ||||
Exact match “Established since 1998 Clearanswer is an expert provider of contact centre solutions.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 3 | 168 contacts → | ||||
Exact match “Route 101 offers award-winning customer engagement solutions that help you reduce operational costs, enhance efficiency, and deliver a next-generation customer experience (CX).” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 4 | 143 contacts → | ||||
Exact match “Echoing our clients in every conversation.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 5 | 124 contacts → | ||||
Exact match “Natterbox is an AI-powered contact center solution that's natively integrated to Salesforce.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 6 | 73 contacts → | ||||
Exact match “We are FM Outsource, a modern customer service outsourcer.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 7 | 71 contacts → | ||||
Exact match “We provide real-time CX (Customer Experience) insights that enhance Service Providers value-added portfolio, helping them drive revenue growth in the cloud communications market.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 8 | 57 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 9 | 45 contacts → | ||||
Exact match “Sytel Limited develops and supplies Softdial Contact Center (SCC) multimedia, multichannel, fully blended cloud contact center solutions, for quick and easy deployment by partners…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 10 | 41 contacts → | ||||
Exact match “TeleWare design software to help businesses communicate better with their customers and employees by routing communications more effectively.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 11 | 40 contacts → | ||||
Exact match “As the UK and Ireland’s longest serving trusted advisor to the Contact Centre industry, SVL has grown to become a leading provider of unified cloud communications and telephony…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 12 | 37 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 13 | 31 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 14 | 27 contacts → | ||||
Exact match “Empower agents and amazing things happen.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 15 | 26 contacts → | ||||
Exact match “Noetica are a provider of Customer Interaction Management software for use in contact centres.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 16 | 26 contacts → | ||||
Exact match “Anana delivers advanced customer experience technology and direction.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 17 | 22 contacts → | ||||
Exact match “At Mission Labs we have a single vision: to power the future of business communications.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 18 | 21 contacts → | ||||
Exact match “Contact 07541005959 for any enquiries” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 19 | 20 contacts → | ||||
Exact match “Blackchair helps enterprises industrialise how Contact Center platforms are built, operated, and optimised for the AI era.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 20 | 17 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 21 | 12 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 22 | 10 contacts → | ||||
Exact match “SynergyGroup is a trusted technology partner with over 30 years of experience helping businesses work smarter, collaborate better, and operate securely.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 23 | 10 contacts → | ||||
Exact match “Telsolutions 'On-Demand', integrated Multi-Channel communications and Cloud based Contact Centre solutions, enable clients to achieve superior business results.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 24 | 10 contacts → | ||||
Exact match “ContactWise is an innovative cloud-based contact center platform with advanced data driven routing engine to help companies to improve their sales, customer satisfaction and…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 25 | 9 contacts → | ||||
Exact match “Synthetix is one of the UK's leading Cloud Customer Service solution providers, delivering Enterprise-grade software solutions since 2001.” Recorded in the RevenueBase company graph · Oct 19, 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 “call center system suppliers”. 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 112 call center system suppliers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 676 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Call center system suppliers based in the United Kingdom at a glance
As of Oct 19, 2026Companies by employee count
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 112 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 “call center system suppliers” 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 676 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 October 19, 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 “call center system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many call center system suppliers are there based in the United Kingdom?
RevenueBase identified 112 company matches for call center system suppliers associated with the United Kingdom as of October 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 call center system suppliers?
London leads with 22 company records, followed by Bristol (6) and Birmingham (4).
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 676 professional contacts with verified work emails tracked across these 112 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 October 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 112 call center system suppliers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Call center system suppliers by geography
- Call center system suppliers based in Sao Paulo, Brazil
- Call center system suppliers based in Argentina
- Call center system suppliers based in Australia
- Call center system suppliers based in Brazil
- Call center system suppliers based in Canada
- Call center system suppliers based in France
- Call center system suppliers based in Germany
- Call center system suppliers based in Greece
- Call center system suppliers based in India
- Call center system suppliers based in Israel
- Call center system suppliers based in Italy
- Call center system suppliers based in Mexico
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
- Call center system suppliers based in Sao Paulo, Brazil
- Call center system suppliers based in Argentina
- Call center system suppliers based in Australia
- Call center system suppliers based in Brazil
- Call center system suppliers based in Canada
- Call center system suppliers based in France
Company intelligence · public preview
Top 25 call center system suppliers 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 112 matching company records for call center system suppliers based in the United Kingdom, with 2,509 tracked contacts and 676 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: October 19, 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 call center system suppliers 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 |  RESQresqcs.co.ukHQ: Kingston Upon Hull, United KingdomReported employees: 1,001-5,000 | Kingston Upon Hull, United Kingdom | 1,001-5,000 | Exact match | 512 contacts → |
“Give your customers a voice with ResQ.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Clearanswer Call Centresclearanswer.co.ukHQ: Hull, United KingdomReported employees: 501-1,000 | Hull, United Kingdom | 501-1,000 | Exact match | 229 contacts → |
“Established since 1998 Clearanswer is an expert provider of contact centre solutions.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Route 101 LTDroute101.comHQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 168 contacts → |
“Route 101 offers award-winning customer engagement solutions that help you reduce operational costs, enhance efficiency, and deliver a next-generation customer experience (CX).” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Echo-U LTDecho-u.co.ukHQ: Newcastle Upon Tyne, United KingdomReported employees: 201-500 | Newcastle Upon Tyne, United Kingdom | 201-500 | Exact match | 143 contacts → |
“Echoing our clients in every conversation.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Natterboxnatterbox.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 124 contacts → |
“Natterbox is an AI-powered contact center solution that's natively integrated to Salesforce.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  FM Outsourcefmoutsource.comHQ: Bury, United KingdomReported employees: 201-500 | Bury, United Kingdom | 201-500 | Exact match | 73 contacts → |
“We are FM Outsource, a modern customer service outsourcer.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AKIXIakixi.comHQ: Crawley, United KingdomReported employees: 51-200 | Crawley, United Kingdom | 51-200 | Exact match | 71 contacts → |
“We provide real-time CX (Customer Experience) insights that enhance Service Providers value-added portfolio, helping them drive revenue growth in the cloud communications market.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Impact Call Centreimpactcallcentre.co.ukHQ: Romsey, United KingdomReported employees: 201-500 | Romsey, United Kingdom | 201-500 | Exact match | 57 contacts → |
“We are an established AI-enabled call centre specialising in every aspect of sales and customer service.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Sytel LTDsytel.comHQ: Aylesbury, United KingdomReported employees: 11-50 | Aylesbury, United Kingdom | 11-50 | Exact match | 45 contacts → |
“Sytel Limited develops and supplies Softdial Contact Center (SCC) multimedia, multichannel, fully blended cloud contact center solutions, for quick and easy deployment by partners…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Teleware PLCteleware.comHQ: Easingwold, United KingdomReported employees: 51-200 | Easingwold, United Kingdom | 51-200 | Exact match | 41 contacts → |
“TeleWare design software to help businesses communicate better with their customers and employees by routing communications more effectively.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  SVLsvl.co.ukHQ: East Kilbride, United KingdomReported employees: 11-50 | East Kilbride, United Kingdom | 11-50 | Exact match | 40 contacts → |
“As the UK and Ireland’s longest serving trusted advisor to the Contact Centre industry, SVL has grown to become a leading provider of unified cloud communications and telephony…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Chase Responsechaseresponse.comHQ: Croydon, United KingdomReported employees: 501-1,000 | Croydon, United Kingdom | 501-1,000 | Exact match | 37 contacts → |
“For over 20 years, Chase Response has delivered unrivalled standards in call centre outsourcing and customer management services.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Resolvableresolvable.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Our customer service outsourcing and software solutions create happier customers, happier customer service agents, and save you money.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Mojo CXtmac.aiHQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Empower agents and amazing things happen.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Noeticanoetica.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Noetica are a provider of Customer Interaction Management software for use in contact centres.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Anana LTDanana.com HQ: United KingdomReported employees: 51-200 | United Kingdom | 51-200 | Exact match | 26 contacts → |
“Anana delivers advanced customer experience technology and direction.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Mission Labsmissionlabs.co.ukHQ: Rossendale, United KingdomReported employees: 51-200 | Rossendale, United Kingdom | 51-200 | Exact match | 22 contacts → |
“At Mission Labs we have a single vision: to power the future of business communications.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Five9five9.comHQ: North West, United KingdomReported employees: 1,001-5,000 | North West, United Kingdom | 1,001-5,000 | Exact match | 21 contacts → |
“Contact 07541005959 for any enquiries” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Blackchairtheblackchair.comHQ: Cheltenham, United KingdomReported employees: 11-50 | Cheltenham, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Blackchair helps enterprises industrialise how Contact Center platforms are built, operated, and optimised for the AI era.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  DDI Softwareddisoftware.co.ukHQ: Glasgow, United KingdomReported employees: 1-10 | Glasgow, United Kingdom | 1-10 | Exact match | 17 contacts → |
“Established since 2004, we provide Enterprise CRM & Telephony Systems for Contact Centres, which help to drive performance improvement, customer engagement & compliance.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Becloud Solutionsbecloudsolutions.comHQ: Bournemouth, United KingdomReported employees: 11-50 | Bournemouth, United Kingdom | 11-50 | Exact match | 12 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Synergygroupsynergygrp.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“SynergyGroup is a trusted technology partner with over 30 years of experience helping businesses work smarter, collaborate better, and operate securely.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Telsolutions LTDtelsolutions.co.ukHQ: Essex, United KingdomReported employees: 11-50 | Essex, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Telsolutions 'On-Demand', integrated Multi-Channel communications and Cloud based Contact Centre solutions, enable clients to achieve superior business results.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Contactwisecontactwise.ioHQ: Hoddesdon, United KingdomReported employees: 11-50 | Hoddesdon, United Kingdom | 11-50 | Exact match | 10 contacts → |
“ContactWise is an innovative cloud-based contact center platform with advanced data driven routing engine to help companies to improve their sales, customer satisfaction and…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Synthetixsynthetix.comHQ: Ely, United KingdomReported employees: 11-50 | Ely, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Synthetix is one of the UK's leading Cloud Customer Service solution providers, delivering Enterprise-grade software solutions since 2001.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 112 company matches
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Call center system suppliers: dataset insights
October 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
111 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 112 companies.
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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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: October 19, 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 ↗
Questions about this company list
What does Exact match mean for call center system suppliers?
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 call center system suppliers did RevenueBase find based in the United Kingdom?
The saved snapshot records 112 matching company records, 2,509 tracked contacts and 676 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: October 19, 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
Call center system suppliers by geography
- Call center system suppliers based in Sao Paulo, Brazil
- Call center system suppliers based in Argentina
- Call center system suppliers based in Australia
- Call center system suppliers based in Brazil
- Call center system suppliers based in Canada
- Call center system suppliers based in France
- Call center system suppliers based in Germany
- Call center system suppliers based in Greece
- Call center system suppliers based in India
- Call center system suppliers based in Israel
- Call center system suppliers based in Italy
- Call center system suppliers based in Mexico
Cite this list
RevenueBase Data Team. Top 25 call center system suppliers based in the United Kingdom. Snapshot: October 19, 2026. https://revenuebase.ai/companies/call-center-system-suppliers/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
- Call center system suppliers based in Sao Paulo, Brazil
- Call center system suppliers based in Argentina
- Call center system suppliers based in Australia
- Call center system suppliers based in Brazil
- Call center system suppliers based in Canada
- Call center system suppliers based in France
Company intelligence · public preview
Top 25 call center system suppliers based in the United Kingdom
RevenueBase records 112 matching company records for call center system suppliers based in the United Kingdom, with 2,509 tracked contacts and 676 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: October 19, 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 call center system suppliers 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 | RESQresqcs.co.uk HQ: Kingston Upon Hull, United KingdomReported employees: 1,001-5,000 | Kingston Upon Hull, United Kingdom | 1,001-5,000 | Exact match | 512 contacts → |
“Give your customers a voice with ResQ.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Clearanswer Call Centresclearanswer.co.uk HQ: Hull, United KingdomReported employees: 501-1,000 | Hull, United Kingdom | 501-1,000 | Exact match | 229 contacts → |
“Established since 1998 Clearanswer is an expert provider of contact centre solutions.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Route 101 LTDroute101.com HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 168 contacts → |
“Route 101 offers award-winning customer engagement solutions that help you reduce operational costs, enhance efficiency, and deliver a next-generation customer experience (CX).” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Echo-U LTDecho-u.co.uk HQ: Newcastle Upon Tyne, United KingdomReported employees: 201-500 | Newcastle Upon Tyne, United Kingdom | 201-500 | Exact match | 143 contacts → |
“Echoing our clients in every conversation.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Natterboxnatterbox.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 124 contacts → |
“Natterbox is an AI-powered contact center solution that's natively integrated to Salesforce.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | FM Outsourcefmoutsource.com HQ: Bury, United KingdomReported employees: 201-500 | Bury, United Kingdom | 201-500 | Exact match | 73 contacts → |
“We are FM Outsource, a modern customer service outsourcer.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AKIXIakixi.com HQ: Crawley, United KingdomReported employees: 51-200 | Crawley, United Kingdom | 51-200 | Exact match | 71 contacts → |
“We provide real-time CX (Customer Experience) insights that enhance Service Providers value-added portfolio, helping them drive revenue growth in the cloud communications market.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Impact Call Centreimpactcallcentre.co.uk HQ: Romsey, United KingdomReported employees: 201-500 | Romsey, United Kingdom | 201-500 | Exact match | 57 contacts → |
“We are an established AI-enabled call centre specialising in every aspect of sales and customer service.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Sytel LTDsytel.com HQ: Aylesbury, United KingdomReported employees: 11-50 | Aylesbury, United Kingdom | 11-50 | Exact match | 45 contacts → |
“Sytel Limited develops and supplies Softdial Contact Center (SCC) multimedia, multichannel, fully blended cloud contact center solutions, for quick and easy deployment by partners…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Teleware PLCteleware.com HQ: Easingwold, United KingdomReported employees: 51-200 | Easingwold, United Kingdom | 51-200 | Exact match | 41 contacts → |
“TeleWare design software to help businesses communicate better with their customers and employees by routing communications more effectively.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | SVLsvl.co.uk HQ: East Kilbride, United KingdomReported employees: 11-50 | East Kilbride, United Kingdom | 11-50 | Exact match | 40 contacts → |
“As the UK and Ireland’s longest serving trusted advisor to the Contact Centre industry, SVL has grown to become a leading provider of unified cloud communications and telephony…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Chase Responsechaseresponse.com HQ: Croydon, United KingdomReported employees: 501-1,000 | Croydon, United Kingdom | 501-1,000 | Exact match | 37 contacts → |
“For over 20 years, Chase Response has delivered unrivalled standards in call centre outsourcing and customer management services.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Resolvableresolvable.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Our customer service outsourcing and software solutions create happier customers, happier customer service agents, and save you money.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Mojo CXtmac.ai HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 27 contacts → |
“Empower agents and amazing things happen.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Noeticanoetica.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Noetica are a provider of Customer Interaction Management software for use in contact centres.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Anana LTDanana.com HQ: United KingdomReported employees: 51-200 | United Kingdom | 51-200 | Exact match | 26 contacts → |
“Anana delivers advanced customer experience technology and direction.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Mission Labsmissionlabs.co.uk HQ: Rossendale, United KingdomReported employees: 51-200 | Rossendale, United Kingdom | 51-200 | Exact match | 22 contacts → |
“At Mission Labs we have a single vision: to power the future of business communications.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Five9five9.com HQ: North West, United KingdomReported employees: 1,001-5,000 | North West, United Kingdom | 1,001-5,000 | Exact match | 21 contacts → |
“Contact 07541005959 for any enquiries” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Blackchairtheblackchair.com HQ: Cheltenham, United KingdomReported employees: 11-50 | Cheltenham, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Blackchair helps enterprises industrialise how Contact Center platforms are built, operated, and optimised for the AI era.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | DDI Softwareddisoftware.co.uk HQ: Glasgow, United KingdomReported employees: 1-10 | Glasgow, United Kingdom | 1-10 | Exact match | 17 contacts → |
“Established since 2004, we provide Enterprise CRM & Telephony Systems for Contact Centres, which help to drive performance improvement, customer engagement & compliance.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Becloud Solutionsbecloudsolutions.com HQ: Bournemouth, United KingdomReported employees: 11-50 | Bournemouth, United Kingdom | 11-50 | Exact match | 12 contacts → |
“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 description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Synergygroupsynergygrp.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“SynergyGroup is a trusted technology partner with over 30 years of experience helping businesses work smarter, collaborate better, and operate securely.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Telsolutions LTDtelsolutions.co.uk HQ: Essex, United KingdomReported employees: 11-50 | Essex, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Telsolutions 'On-Demand', integrated Multi-Channel communications and Cloud based Contact Centre solutions, enable clients to achieve superior business results.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Contactwisecontactwise.io HQ: Hoddesdon, United KingdomReported employees: 11-50 | Hoddesdon, United Kingdom | 11-50 | Exact match | 10 contacts → |
“ContactWise is an innovative cloud-based contact center platform with advanced data driven routing engine to help companies to improve their sales, customer satisfaction and…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Synthetixsynthetix.com HQ: Ely, United KingdomReported employees: 11-50 | Ely, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Synthetix is one of the UK's leading Cloud Customer Service solution providers, delivering Enterprise-grade software solutions since 2001.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 112 company matches
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Call center system suppliers: dataset insights
October 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
111 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 112 companies.
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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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: October 19, 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 ↗
Questions about this company list
What does Exact match mean for call center system suppliers?
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 call center system suppliers did RevenueBase find based in the United Kingdom?
The saved snapshot records 112 matching company records, 2,509 tracked contacts and 676 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: October 19, 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
Call center system suppliers by geography
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- Call center system suppliers based in Germany
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- Call center system suppliers based in Mexico
Cite this list
RevenueBase Data Team. Top 25 call center system suppliers based in the United Kingdom. Snapshot: October 19, 2026. https://revenuebase.ai/companies/call-center-system-suppliers/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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- Call center system suppliers based in Sao Paulo, Brazil
- Call center system suppliers based in Argentina
- Call center system suppliers based in Australia
- Call center system suppliers based in Brazil
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