Company lists · Data refreshed October 2026
Top 25 Business telecommunications providers based in the United Kingdom
RevenueBase identified 1,606 company matches for business telecommunications providers associated with the United Kingdom as of October 2026 and tracks 40,111 professional contacts across them, including 13,162 with verified work emails. London is the largest hub.
This list covers company matches for business telecommunications providers 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 9, 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 business telecommunications providers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,457 contacts → | ||||
Exact match “Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 6,350 contacts → | ||||
Exact match “Vodafone Business is part of the Vodafone Group.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 1,624 contacts → | ||||
Exact match “Gamma Communications is a leading provider of technology-based communication solutions across Europe.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 1,563 contacts → | ||||
Exact match “Welcome to the bolder, braver, electric green world of TalkTalk.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 989 contacts → | ||||
Exact match “Welcome to Focus Group.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 937 contacts → | ||||
Exact match “KCOM designs and delivers communications and integration services across the UK.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 693 contacts → | ||||
Exact match “Onecom is the UK’s leading business telecoms and cloud communications provider managing over a million services for business customers - delivering communication services and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 678 contacts → | ||||
Exact match “Innovation is at the core of Exponential-e, and has been since our inception in 2002.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 563 contacts → | ||||
Exact match “PXC is the UK’s leading wholesale provider of innovative solutions for connectivity, voice, cloud and security, underpinned by the UK’s most robust, secure, resilient and reliable…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 519 contacts → | ||||
Exact match “Zen is a B Corp certified telecommunications and technology service provider in the UK.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 483 contacts → | ||||
Exact match “At DBS we provide IT and telecomms support to businesses nationwide, helping them to stay connected.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 363 contacts → | ||||
Exact match “Maintel is a communications managed services provider.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 300 contacts → | ||||
Exact match “Welcome to Aspire Technology Solutions!” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 214 contacts → | ||||
Exact match “IFB - Managed IT Services Provider committed to maximising and supporting our customers' uptime.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 209 contacts → | ||||
Exact match “Aerial Direct are an award-winning, UK-based, managed communications expert.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 173 contacts → | ||||
Exact match “BDR Group are a UK award-winning IT and Communications specialist, who provide a wide range of bespoke solutions to a broad spectrum of businesses across the UK and globally.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 172 contacts → | ||||
Exact match “Keeping your team connected with bespoke managed service solutions.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 161 contacts → | ||||
Exact match “bOnline is UK’s leading provider of VoIP services for micro and small businesses.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 151 contacts → | ||||
Exact match “Great technology matters, but it’s great people who make it work.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 121 contacts → | ||||
Exact match “Established in 1965, SCG is a supplier of business-to-business communications products and services.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 120 contacts → | ||||
Exact match “Radius Connect Solutions is an award-winning independent “total communications” solution provider.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 117 contacts → | ||||
Exact match “We provide communication solutions and IT business services to businesses, big and small, to help your business grow.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 110 contacts → | ||||
Exact match “At last, an IT & Comms service provider taking SMEs to the Cloud with confidence, clarity and clout.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 108 contacts → | ||||
Exact match “Smarter technology.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 106 contacts → | ||||
Exact match “Spitfire Network Services is a UK-based, multi-award winning telecoms and ISP provider for businesses.” Recorded in the RevenueBase company graph · Oct 9, 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 “business telecommunications providers”. 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 1,606 business telecommunications providers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 13,162 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Business telecommunications providers based in the United Kingdom at a glance
As of Oct 9, 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 1,606 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 “business telecommunications providers” 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 13,162 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 9, 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.
Business telecommunications providers 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 “business telecommunications providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many business telecommunications providers are there based in the United Kingdom?
RevenueBase identified 1,606 company matches for business telecommunications providers 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?
Colt Technology Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most business telecommunications providers?
London leads with 225 company records, followed by Manchester (41) and Birmingham (33).
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 13,162 professional contacts with verified work emails tracked across these 1,606 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 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,606 business telecommunications providers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Business telecommunications providers by geography
- Business telecommunications providers based in Buenos Aires, Argentina
- Business telecommunications providers based in Melbourne, Australia
- Business telecommunications providers based in Sydney, Australia
- Business telecommunications providers based in Belo Horizonte, Brazil
- Business telecommunications providers based in Curitiba, Brazil
- Business telecommunications providers based in Porto Alegre, Brazil
- Business telecommunications providers based in Rio De Janeiro, Brazil
- Business telecommunications providers based in Sao Paulo, Brazil
- Business telecommunications providers based in Calgary, Canada
- Business telecommunications providers based in Mississauga, Canada
- Business telecommunications providers based in Montreal, Canada
- Business telecommunications providers based in Toronto, Canada
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
- Business telecommunications providers based in Buenos Aires, Argentina
- Business telecommunications providers based in Melbourne, Australia
- Business telecommunications providers based in Sydney, Australia
- Business telecommunications providers based in Belo Horizonte, Brazil
- Business telecommunications providers based in Curitiba, Brazil
- Business telecommunications providers based in Porto Alegre, Brazil
Company intelligence · public preview
Top 25 business telecommunications providers 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 1,606 matching company records for business telecommunications providers based in the United Kingdom, with 40,111 tracked contacts and 13,162 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 9, 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 business telecommunications providers 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 |  Colt Technology Servicescolt.netHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 6,457 contacts → |
“Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Vodafone Businessvodafone.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,350 contacts → |
“Vodafone Business is part of the Vodafone Group.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  GAMMAgammagroup.coHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,624 contacts → |
“Gamma Communications is a leading provider of technology-based communication solutions across Europe.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Talktalktalktalk.co.uk HQ: Salford, United KingdomReported employees: Not recorded | Salford, United Kingdom | Not recorded | Exact match | 1,563 contacts → |
“Welcome to the bolder, braver, electric green world of TalkTalk.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Focus Groupfocusgroup.co.ukHQ: Shoreham By Sea, United KingdomReported employees: 1,001-5,000 | Shoreham By Sea, United Kingdom | 1,001-5,000 | Exact match | 989 contacts → |
“Welcome to Focus Group.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  KCOMkcom.comHQ: Hull, United KingdomReported employees: 1,001-5,000 | Hull, United Kingdom | 1,001-5,000 | Exact match | 937 contacts → |
“KCOM designs and delivers communications and integration services across the UK.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Onecomonecom.co.ukHQ: Fareham, United KingdomReported employees: 501-1,000 | Fareham, United Kingdom | 501-1,000 | Exact match | 693 contacts → |
“Onecom is the UK’s leading business telecoms and cloud communications provider managing over a million services for business customers - delivering communication services and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Exponential-Eexponential-e.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 678 contacts → |
“Innovation is at the core of Exponential-e, and has been since our inception in 2002.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  PXCpxc.co.ukHQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 563 contacts → |
“PXC is the UK’s leading wholesale provider of innovative solutions for connectivity, voice, cloud and security, underpinned by the UK’s most robust, secure, resilient and reliable…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  ZEN Internetzen.co.ukHQ: Rochdale, United KingdomReported employees: 501-1,000 | Rochdale, United Kingdom | 501-1,000 | Exact match | 519 contacts → |
“Zen is a B Corp certified telecommunications and technology service provider in the UK.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | DBS Groupthedbsgroup.co.uk HQ: Grimsby, United KingdomReported employees: Not recorded | Grimsby, United Kingdom | Not recorded | Exact match | 483 contacts → |
“At DBS we provide IT and telecomms support to businesses nationwide, helping them to stay connected.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Maintelmaintel.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 363 contacts → |
“Maintel is a communications managed services provider.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Aspire Technology Solutionsaspirets.comHQ: Gateshead, United KingdomReported employees: 201-500 | Gateshead, United Kingdom | 201-500 | Exact match | 300 contacts → |
“Welcome to Aspire Technology Solutions!” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  IFBifb.netHQ: Aberdeen, United KingdomReported employees: Not recorded | Aberdeen, United Kingdom | Not recorded | Exact match | 214 contacts → |
“IFB - Managed IT Services Provider committed to maximising and supporting our customers' uptime.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Aerial Directaerial-direct.co.ukHQ: Portsmouth, United KingdomReported employees: 201-500 | Portsmouth, United Kingdom | 201-500 | Exact match | 209 contacts → |
“Aerial Direct are an award-winning, UK-based, managed communications expert.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | BDR Groupbdrgroup.co.uk HQ: Stratford-upon-avon, United KingdomReported employees: 201-500 | Stratford-upon-avon, United Kingdom | 201-500 | Exact match | 173 contacts → |
“BDR Group are a UK award-winning IT and Communications specialist, who provide a wide range of bespoke solutions to a broad spectrum of businesses across the UK and globally.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  CROFTcroftmsp.comHQ: Hertford, United KingdomReported employees: 51-200 | Hertford, United Kingdom | 51-200 | Exact match | 172 contacts → |
“Keeping your team connected with bespoke managed service solutions.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Bonlinebonline.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 161 contacts → |
“bOnline is UK’s leading provider of VoIP services for micro and small businesses.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Elite Groupelitegroup.comHQ: Chorley, United KingdomReported employees: 51-200 | Chorley, United Kingdom | 51-200 | Exact match | 151 contacts → |
“Great technology matters, but it’s great people who make it work.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | SCG Togetherscgtogether.com HQ: Hemel Hempstead, United KingdomReported employees: 501-1,000 | Hemel Hempstead, United Kingdom | 501-1,000 | Exact match | 121 contacts → |
“Established in 1965, SCG is a supplier of business-to-business communications products and services.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Radius Connect Solutionsradiusconnectsolutions.comHQ: Crewe, United KingdomReported employees: 201-500 | Crewe, United Kingdom | 201-500 | Exact match | 120 contacts → |
“Radius Connect Solutions is an award-winning independent “total communications” solution provider.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Tela Technologytelatechnology.comHQ: Hampton-in-arden, United KingdomReported employees: 51-200 | Hampton-in-arden, United Kingdom | 51-200 | Exact match | 117 contacts → |
“We provide communication solutions and IT business services to businesses, big and small, to help your business grow.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Flotek Group Limitedflotek.ioHQ: Bridgend, United KingdomReported employees: 51-200 | Bridgend, United Kingdom | 51-200 | Exact match | 110 contacts → |
“At last, an IT & Comms service provider taking SMEs to the Cloud with confidence, clarity and clout.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cloudclevrcloudclevr.com HQ: Warwickshire, United KingdomReported employees: 51-200 | Warwickshire, United Kingdom | 51-200 | Exact match | 108 contacts → |
“Smarter technology.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Spitfire Network Services LTDspitfire.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 106 contacts → |
“Spitfire Network Services is a UK-based, multi-award winning telecoms and ISP provider for businesses.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,606 company matches
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Business telecommunications providers: dataset insights
October 9, 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
1,598 records in the displayed employee bands.
8 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 1,606 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 9, 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 ↗
Business telecommunications providers by metro
Questions about this company list
What does Exact match mean for business telecommunications providers?
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 business telecommunications providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,606 matching company records, 40,111 tracked contacts and 13,162 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 9, 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
Business telecommunications providers by geography
- Business telecommunications providers based in Buenos Aires, Argentina
- Business telecommunications providers based in Melbourne, Australia
- Business telecommunications providers based in Sydney, Australia
- Business telecommunications providers based in Belo Horizonte, Brazil
- Business telecommunications providers based in Curitiba, Brazil
- Business telecommunications providers based in Porto Alegre, Brazil
- Business telecommunications providers based in Rio De Janeiro, Brazil
- Business telecommunications providers based in Sao Paulo, Brazil
- Business telecommunications providers based in Calgary, Canada
- Business telecommunications providers based in Mississauga, Canada
- Business telecommunications providers based in Montreal, Canada
- Business telecommunications providers based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 25 business telecommunications providers based in the United Kingdom. Snapshot: October 9, 2026. https://revenuebase.ai/companies/business-telecommunications-providers/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
- Business telecommunications providers based in Buenos Aires, Argentina
- Business telecommunications providers based in Melbourne, Australia
- Business telecommunications providers based in Sydney, Australia
- Business telecommunications providers based in Belo Horizonte, Brazil
- Business telecommunications providers based in Curitiba, Brazil
- Business telecommunications providers based in Porto Alegre, Brazil
Company intelligence · public preview
Top 25 business telecommunications providers based in the United Kingdom
RevenueBase records 1,606 matching company records for business telecommunications providers based in the United Kingdom, with 40,111 tracked contacts and 13,162 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 9, 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 business telecommunications providers 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 | Colt Technology Servicescolt.net HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 6,457 contacts → |
“Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Vodafone Businessvodafone.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,350 contacts → |
“Vodafone Business is part of the Vodafone Group.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | GAMMAgammagroup.co HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,624 contacts → |
“Gamma Communications is a leading provider of technology-based communication solutions across Europe.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Talktalktalktalk.co.uk HQ: Salford, United KingdomReported employees: Not recorded | Salford, United Kingdom | Not recorded | Exact match | 1,563 contacts → |
“Welcome to the bolder, braver, electric green world of TalkTalk.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Focus Groupfocusgroup.co.uk HQ: Shoreham By Sea, United KingdomReported employees: 1,001-5,000 | Shoreham By Sea, United Kingdom | 1,001-5,000 | Exact match | 989 contacts → |
“Welcome to Focus Group.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | KCOMkcom.com HQ: Hull, United KingdomReported employees: 1,001-5,000 | Hull, United Kingdom | 1,001-5,000 | Exact match | 937 contacts → |
“KCOM designs and delivers communications and integration services across the UK.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Onecomonecom.co.uk HQ: Fareham, United KingdomReported employees: 501-1,000 | Fareham, United Kingdom | 501-1,000 | Exact match | 693 contacts → |
“Onecom is the UK’s leading business telecoms and cloud communications provider managing over a million services for business customers - delivering communication services and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Exponential-Eexponential-e.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 678 contacts → |
“Innovation is at the core of Exponential-e, and has been since our inception in 2002.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | PXCpxc.co.uk HQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 563 contacts → |
“PXC is the UK’s leading wholesale provider of innovative solutions for connectivity, voice, cloud and security, underpinned by the UK’s most robust, secure, resilient and reliable…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | ZEN Internetzen.co.uk HQ: Rochdale, United KingdomReported employees: 501-1,000 | Rochdale, United Kingdom | 501-1,000 | Exact match | 519 contacts → |
“Zen is a B Corp certified telecommunications and technology service provider in the UK.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | DBS Groupthedbsgroup.co.uk HQ: Grimsby, United KingdomReported employees: Not recorded | Grimsby, United Kingdom | Not recorded | Exact match | 483 contacts → |
“At DBS we provide IT and telecomms support to businesses nationwide, helping them to stay connected.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Maintelmaintel.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 363 contacts → |
“Maintel is a communications managed services provider.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Aspire Technology Solutionsaspirets.com HQ: Gateshead, United KingdomReported employees: 201-500 | Gateshead, United Kingdom | 201-500 | Exact match | 300 contacts → |
“Welcome to Aspire Technology Solutions!” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | IFBifb.net HQ: Aberdeen, United KingdomReported employees: Not recorded | Aberdeen, United Kingdom | Not recorded | Exact match | 214 contacts → |
“IFB - Managed IT Services Provider committed to maximising and supporting our customers' uptime.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Aerial Directaerial-direct.co.uk HQ: Portsmouth, United KingdomReported employees: 201-500 | Portsmouth, United Kingdom | 201-500 | Exact match | 209 contacts → |
“Aerial Direct are an award-winning, UK-based, managed communications expert.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | BDR Groupbdrgroup.co.uk HQ: Stratford-upon-avon, United KingdomReported employees: 201-500 | Stratford-upon-avon, United Kingdom | 201-500 | Exact match | 173 contacts → |
“BDR Group are a UK award-winning IT and Communications specialist, who provide a wide range of bespoke solutions to a broad spectrum of businesses across the UK and globally.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | CROFTcroftmsp.com HQ: Hertford, United KingdomReported employees: 51-200 | Hertford, United Kingdom | 51-200 | Exact match | 172 contacts → |
“Keeping your team connected with bespoke managed service solutions.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Bonlinebonline.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 161 contacts → |
“bOnline is UK’s leading provider of VoIP services for micro and small businesses.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Elite Groupelitegroup.com HQ: Chorley, United KingdomReported employees: 51-200 | Chorley, United Kingdom | 51-200 | Exact match | 151 contacts → |
“Great technology matters, but it’s great people who make it work.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | SCG Togetherscgtogether.com HQ: Hemel Hempstead, United KingdomReported employees: 501-1,000 | Hemel Hempstead, United Kingdom | 501-1,000 | Exact match | 121 contacts → |
“Established in 1965, SCG is a supplier of business-to-business communications products and services.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Radius Connect Solutionsradiusconnectsolutions.com HQ: Crewe, United KingdomReported employees: 201-500 | Crewe, United Kingdom | 201-500 | Exact match | 120 contacts → |
“Radius Connect Solutions is an award-winning independent “total communications” solution provider.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Tela Technologytelatechnology.com HQ: Hampton-in-arden, United KingdomReported employees: 51-200 | Hampton-in-arden, United Kingdom | 51-200 | Exact match | 117 contacts → |
“We provide communication solutions and IT business services to businesses, big and small, to help your business grow.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Flotek Group Limitedflotek.io HQ: Bridgend, United KingdomReported employees: 51-200 | Bridgend, United Kingdom | 51-200 | Exact match | 110 contacts → |
“At last, an IT & Comms service provider taking SMEs to the Cloud with confidence, clarity and clout.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cloudclevrcloudclevr.com HQ: Warwickshire, United KingdomReported employees: 51-200 | Warwickshire, United Kingdom | 51-200 | Exact match | 108 contacts → |
“Smarter technology.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Spitfire Network Services LTDspitfire.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 106 contacts → |
“Spitfire Network Services is a UK-based, multi-award winning telecoms and ISP provider for businesses.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,606 company matches
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Business telecommunications providers: dataset insights
October 9, 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
1,598 records in the displayed employee bands.
8 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 1,606 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 9, 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 ↗
Business telecommunications providers by metro
Questions about this company list
What does Exact match mean for business telecommunications providers?
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 business telecommunications providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,606 matching company records, 40,111 tracked contacts and 13,162 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 9, 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
Business telecommunications providers by geography
- Business telecommunications providers based in Buenos Aires, Argentina
- Business telecommunications providers based in Melbourne, Australia
- Business telecommunications providers based in Sydney, Australia
- Business telecommunications providers based in Belo Horizonte, Brazil
- Business telecommunications providers based in Curitiba, Brazil
- Business telecommunications providers based in Porto Alegre, Brazil
- Business telecommunications providers based in Rio De Janeiro, Brazil
- Business telecommunications providers based in Sao Paulo, Brazil
- Business telecommunications providers based in Calgary, Canada
- Business telecommunications providers based in Mississauga, Canada
- Business telecommunications providers based in Montreal, Canada
- Business telecommunications providers based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 25 business telecommunications providers based in the United Kingdom. Snapshot: October 9, 2026. https://revenuebase.ai/companies/business-telecommunications-providers/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
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- Business telecommunications providers based in Buenos Aires, Argentina
- Business telecommunications providers based in Melbourne, Australia
- Business telecommunications providers based in Sydney, Australia
- Business telecommunications providers based in Belo Horizonte, Brazil
- Business telecommunications providers based in Curitiba, Brazil
- Business telecommunications providers based in Porto Alegre, Brazil