Company lists · Data refreshed September 2026
Top 25 Enterprise telecom companies based in the United Kingdom
RevenueBase identified 1,567 company matches for enterprise telecom companies associated with the United Kingdom as of September 2026 and tracks 46,060 professional contacts across them, including 15,843 with verified work emails. London is the largest hub.
This list covers company matches for enterprise telecom companies associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 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 enterprise telecom companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,767 contacts → | ||||
Exact match “Vodafone Business is part of the Vodafone Group.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 6,233 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 2,886 contacts → | ||||
Exact match “Softcat is a leading provider of IT infrastructure to corporate and public sectors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 1,568 contacts → | ||||
Exact match “Gamma Communications is a leading provider of technology-based communication solutions across Europe.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 1,053 contacts → | ||||
Exact match “Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 960 contacts → | ||||
Exact match “Welcome to Focus Group.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 877 contacts → | ||||
Exact match “KCOM designs and delivers communications and integration services across the UK.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 667 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 655 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 597 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 521 contacts → | ||||
Exact match “Zen is a B Corp certified telecommunications and technology service provider in the UK.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 519 contacts → | ||||
Exact match “WHP is one of the UK's leading suppliers of network infrastructure services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 367 contacts → | ||||
Exact match “Comex is an established major strategic partner of choice within the telecommunication sector, across the United Kingdom and Ireland, offering an end to end solution.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 341 contacts → | ||||
Exact match “Maintel is a communications managed services provider.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 273 contacts → | ||||
Exact match “Magdalene provides comprehensive independent solutions which address the individual needs of our customers throughout the Telecommunications Industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 266 contacts → | ||||
Exact match “Welcome to Aspire Technology Solutions!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 262 contacts → | ||||
Exact match “We’re here to power the ambitions of London enterprises with a dedicated 100Gbps fibre network, managed IT and cybersecurity services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 214 contacts → | ||||
Exact match “IFB - Managed IT Services Provider committed to maximising and supporting our customers' uptime.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 209 contacts → | ||||
Exact match “Aerial Direct are an award-winning, UK-based, managed communications expert.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 179 contacts → | ||||
Exact match “RETN is one of the fastest-growing independent Eurasian network services providers, awarded the title of Innovation Disruptor of the Year, at the prestigious Global Connectivity…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 171 contacts → | ||||
Exact match “Keeping your team connected with bespoke managed service solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 157 contacts → | ||||
Exact match “At BT Local Business London West & South we are part of BT's Business division.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 151 contacts → | ||||
Exact match “Beacon Comms is the trading name of Beacon Communication Services Ltd.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 148 contacts → | ||||
Exact match “Great technology matters, but it’s great people who make it work.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 141 contacts → | ||||
Exact match “Deepscale Technologies provide data center, enterprise & managed IT solutions across the globe that enhance how businesses operate.” Recorded in the RevenueBase company graph · Sep 21, 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 “enterprise telecom companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,567 enterprise telecom companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 15,843 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Enterprise telecom companies based in the United Kingdom at a glance
As of Sep 21, 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 1,567 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 “enterprise telecom companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 15,843 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 21, 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.
Enterprise telecom companies by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “enterprise telecom companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many enterprise telecom companies are there based in the United Kingdom?
RevenueBase identified 1,567 company matches for enterprise telecom companies associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Vodafone Business tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most enterprise telecom companies?
London leads with 250 company records, followed by Manchester (40) and Birmingham (31).
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 15,843 professional contacts with verified work emails tracked across these 1,567 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,567 enterprise telecom companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Enterprise telecom companies by geography
- Enterprise telecom companies based in Brisbane, Australia
- Enterprise telecom companies based in Melbourne, Australia
- Enterprise telecom companies based in Sydney, Australia
- Enterprise telecom companies based in Belo Horizonte, Brazil
- Enterprise telecom companies based in Curitiba, Brazil
- Enterprise telecom companies based in Fortaleza, Brazil
- Enterprise telecom companies based in Porto Alegre, Brazil
- Enterprise telecom companies based in Rio De Janeiro, Brazil
- Enterprise telecom companies based in Sao Paulo, Brazil
- Enterprise telecom companies based in Mississauga, Canada
- Enterprise telecom companies based in Montreal, Canada
- Enterprise telecom companies 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
- Enterprise telecom companies based in Brisbane, Australia
- Enterprise telecom companies based in Melbourne, Australia
- Enterprise telecom companies based in Sydney, Australia
- Enterprise telecom companies based in Belo Horizonte, Brazil
- Enterprise telecom companies based in Curitiba, Brazil
- Enterprise telecom companies based in Fortaleza, Brazil
Company intelligence · public preview
Top 25 enterprise telecom companies based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,567 matching company records for enterprise telecom companies based in the United Kingdom, with 46,060 tracked contacts and 15,843 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 enterprise telecom companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Vodafone Businessvodafone.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,767 contacts → |
“Vodafone Business is part of the Vodafone Group.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Colt Technology Servicescolt.netHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 6,233 contacts → |
“Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Softcatsoftcat.comHQ: Marlow, United KingdomReported employees: 1,001-5,000 | Marlow, United Kingdom | 1,001-5,000 | Exact match | 2,886 contacts → |
“Softcat is a leading provider of IT infrastructure to corporate and public sectors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  GAMMAgammagroup.coHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,568 contacts → |
“Gamma Communications is a leading provider of technology-based communication solutions across Europe.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Kelly Groupkelly.co.ukHQ: Wembley, United KingdomReported employees: 1,001-5,000 | Wembley, United Kingdom | 1,001-5,000 | Exact match | 1,053 contacts → |
“Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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 | 960 contacts → |
“Welcome to Focus Group.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  KCOMkcom.comHQ: Hull, United KingdomReported employees: 1,001-5,000 | Hull, United Kingdom | 1,001-5,000 | Exact match | 877 contacts → |
“KCOM designs and delivers communications and integration services across the UK.” Recorded description excerpt · September 21, 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 | 667 contacts → |
“Innovation is at the core of Exponential-e, and has been since our inception in 2002.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Onecomonecom.co.ukHQ: Fareham, United KingdomReported employees: 501-1,000 | Fareham, United Kingdom | 501-1,000 | Exact match | 655 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  PXCpxc.co.ukHQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 597 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ZEN Internetzen.co.ukHQ: Rochdale, United KingdomReported employees: 501-1,000 | Rochdale, United Kingdom | 501-1,000 | Exact match | 521 contacts → |
“Zen is a B Corp certified telecommunications and technology service provider in the UK.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  WHP Telecoms Limitedwhptelecoms.comHQ: Warrington, United KingdomReported employees: 501-1,000 | Warrington, United Kingdom | 501-1,000 | Exact match | 519 contacts → |
“WHP is one of the UK's leading suppliers of network infrastructure services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Comex 2000comex2000uk.comHQ: Derby, United KingdomReported employees: 501-1,000 | Derby, United Kingdom | 501-1,000 | Exact match | 367 contacts → |
“Comex is an established major strategic partner of choice within the telecommunication sector, across the United Kingdom and Ireland, offering an end to end solution.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Maintelmaintel.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 341 contacts → |
“Maintel is a communications managed services provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Magdalenemagdalene.co.ukHQ: St Ives, United KingdomReported employees: 201-500 | St Ives, United Kingdom | 201-500 | Exact match | 273 contacts → |
“Magdalene provides comprehensive independent solutions which address the individual needs of our customers throughout the Telecommunications Industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Aspire Technology Solutionsaspirets.comHQ: Gateshead, United KingdomReported employees: 201-500 | Gateshead, United Kingdom | 201-500 | Exact match | 266 contacts → |
“Welcome to Aspire Technology Solutions!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Vorbossvorboss.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 262 contacts → |
“We’re here to power the ambitions of London enterprises with a dedicated 100Gbps fibre network, managed IT and cybersecurity services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  RETNretn.netHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 179 contacts → |
“RETN is one of the fastest-growing independent Eurasian network services providers, awarded the title of Innovation Disruptor of the Year, at the prestigious Global Connectivity…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  CROFTcroftmsp.comHQ: Hertford, United KingdomReported employees: 51-200 | Hertford, United Kingdom | 51-200 | Exact match | 171 contacts → |
“Keeping your team connected with bespoke managed service solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  BT Local Businessbt.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 157 contacts → |
“At BT Local Business London West & South we are part of BT's Business division.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Beacon Commsbeaconcomms.co.ukHQ: Tavistock, United KingdomReported employees: 201-500 | Tavistock, United Kingdom | 201-500 | Exact match | 151 contacts → |
“Beacon Comms is the trading name of Beacon Communication Services Ltd.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Elite Groupelitegroup.comHQ: Chorley, United KingdomReported employees: 51-200 | Chorley, United Kingdom | 51-200 | Exact match | 148 contacts → |
“Great technology matters, but it’s great people who make it work.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Deepscale Technologies LTDdeep-scale.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 141 contacts → |
“Deepscale Technologies provide data center, enterprise & managed IT solutions across the globe that enhance how businesses operate.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,567 company matches
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Enterprise telecom companies: dataset insights
September 21, 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
1,558 records in the displayed employee bands.
9 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 1,567 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: September 21, 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 ↗
Enterprise telecom companies by metro
Questions about this company list
What does Exact match mean for enterprise telecom companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many enterprise telecom companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,567 matching company records, 46,060 tracked contacts and 15,843 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 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
Enterprise telecom companies by geography
- Enterprise telecom companies based in Brisbane, Australia
- Enterprise telecom companies based in Melbourne, Australia
- Enterprise telecom companies based in Sydney, Australia
- Enterprise telecom companies based in Belo Horizonte, Brazil
- Enterprise telecom companies based in Curitiba, Brazil
- Enterprise telecom companies based in Fortaleza, Brazil
- Enterprise telecom companies based in Porto Alegre, Brazil
- Enterprise telecom companies based in Rio De Janeiro, Brazil
- Enterprise telecom companies based in Sao Paulo, Brazil
- Enterprise telecom companies based in Mississauga, Canada
- Enterprise telecom companies based in Montreal, Canada
- Enterprise telecom companies based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 25 enterprise telecom companies based in the United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/enterprise-telecom-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Enterprise telecom companies based in Brisbane, Australia
- Enterprise telecom companies based in Melbourne, Australia
- Enterprise telecom companies based in Sydney, Australia
- Enterprise telecom companies based in Belo Horizonte, Brazil
- Enterprise telecom companies based in Curitiba, Brazil
- Enterprise telecom companies based in Fortaleza, Brazil
Company intelligence · public preview
Top 25 enterprise telecom companies based in the United Kingdom
RevenueBase records 1,567 matching company records for enterprise telecom companies based in the United Kingdom, with 46,060 tracked contacts and 15,843 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 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 enterprise telecom companies based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Vodafone Businessvodafone.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 6,767 contacts → |
“Vodafone Business is part of the Vodafone Group.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Colt Technology Servicescolt.net HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 6,233 contacts → |
“Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Softcatsoftcat.com HQ: Marlow, United KingdomReported employees: 1,001-5,000 | Marlow, United Kingdom | 1,001-5,000 | Exact match | 2,886 contacts → |
“Softcat is a leading provider of IT infrastructure to corporate and public sectors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | GAMMAgammagroup.co HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,568 contacts → |
“Gamma Communications is a leading provider of technology-based communication solutions across Europe.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Kelly Groupkelly.co.uk HQ: Wembley, United KingdomReported employees: 1,001-5,000 | Wembley, United Kingdom | 1,001-5,000 | Exact match | 1,053 contacts → |
“Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 | 960 contacts → |
“Welcome to Focus Group.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | KCOMkcom.com HQ: Hull, United KingdomReported employees: 1,001-5,000 | Hull, United Kingdom | 1,001-5,000 | Exact match | 877 contacts → |
“KCOM designs and delivers communications and integration services across the UK.” Recorded description excerpt · September 21, 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 | 667 contacts → |
“Innovation is at the core of Exponential-e, and has been since our inception in 2002.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Onecomonecom.co.uk HQ: Fareham, United KingdomReported employees: 501-1,000 | Fareham, United Kingdom | 501-1,000 | Exact match | 655 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | PXCpxc.co.uk HQ: Manchester, United KingdomReported employees: 1,001-5,000 | Manchester, United Kingdom | 1,001-5,000 | Exact match | 597 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ZEN Internetzen.co.uk HQ: Rochdale, United KingdomReported employees: 501-1,000 | Rochdale, United Kingdom | 501-1,000 | Exact match | 521 contacts → |
“Zen is a B Corp certified telecommunications and technology service provider in the UK.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | WHP Telecoms Limitedwhptelecoms.com HQ: Warrington, United KingdomReported employees: 501-1,000 | Warrington, United Kingdom | 501-1,000 | Exact match | 519 contacts → |
“WHP is one of the UK's leading suppliers of network infrastructure services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Comex 2000comex2000uk.com HQ: Derby, United KingdomReported employees: 501-1,000 | Derby, United Kingdom | 501-1,000 | Exact match | 367 contacts → |
“Comex is an established major strategic partner of choice within the telecommunication sector, across the United Kingdom and Ireland, offering an end to end solution.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Maintelmaintel.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 341 contacts → |
“Maintel is a communications managed services provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Magdalenemagdalene.co.uk HQ: St Ives, United KingdomReported employees: 201-500 | St Ives, United Kingdom | 201-500 | Exact match | 273 contacts → |
“Magdalene provides comprehensive independent solutions which address the individual needs of our customers throughout the Telecommunications Industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Aspire Technology Solutionsaspirets.com HQ: Gateshead, United KingdomReported employees: 201-500 | Gateshead, United Kingdom | 201-500 | Exact match | 266 contacts → |
“Welcome to Aspire Technology Solutions!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Vorbossvorboss.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 262 contacts → |
“We’re here to power the ambitions of London enterprises with a dedicated 100Gbps fibre network, managed IT and cybersecurity services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | RETNretn.net HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 179 contacts → |
“RETN is one of the fastest-growing independent Eurasian network services providers, awarded the title of Innovation Disruptor of the Year, at the prestigious Global Connectivity…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | CROFTcroftmsp.com HQ: Hertford, United KingdomReported employees: 51-200 | Hertford, United Kingdom | 51-200 | Exact match | 171 contacts → |
“Keeping your team connected with bespoke managed service solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | BT Local Businessbt.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 157 contacts → |
“At BT Local Business London West & South we are part of BT's Business division.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Beacon Commsbeaconcomms.co.uk HQ: Tavistock, United KingdomReported employees: 201-500 | Tavistock, United Kingdom | 201-500 | Exact match | 151 contacts → |
“Beacon Comms is the trading name of Beacon Communication Services Ltd.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Elite Groupelitegroup.com HQ: Chorley, United KingdomReported employees: 51-200 | Chorley, United Kingdom | 51-200 | Exact match | 148 contacts → |
“Great technology matters, but it’s great people who make it work.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Deepscale Technologies LTDdeep-scale.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 141 contacts → |
“Deepscale Technologies provide data center, enterprise & managed IT solutions across the globe that enhance how businesses operate.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,567 company matches
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Enterprise telecom companies: dataset insights
September 21, 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
1,558 records in the displayed employee bands.
9 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 1,567 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: September 21, 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 ↗
Enterprise telecom companies by metro
Questions about this company list
What does Exact match mean for enterprise telecom companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many enterprise telecom companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,567 matching company records, 46,060 tracked contacts and 15,843 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 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
Enterprise telecom companies by geography
- Enterprise telecom companies based in Brisbane, Australia
- Enterprise telecom companies based in Melbourne, Australia
- Enterprise telecom companies based in Sydney, Australia
- Enterprise telecom companies based in Belo Horizonte, Brazil
- Enterprise telecom companies based in Curitiba, Brazil
- Enterprise telecom companies based in Fortaleza, Brazil
- Enterprise telecom companies based in Porto Alegre, Brazil
- Enterprise telecom companies based in Rio De Janeiro, Brazil
- Enterprise telecom companies based in Sao Paulo, Brazil
- Enterprise telecom companies based in Mississauga, Canada
- Enterprise telecom companies based in Montreal, Canada
- Enterprise telecom companies based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 25 enterprise telecom companies based in the United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/enterprise-telecom-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Enterprise telecom companies based in Brisbane, Australia
- Enterprise telecom companies based in Melbourne, Australia
- Enterprise telecom companies based in Sydney, Australia
- Enterprise telecom companies based in Belo Horizonte, Brazil
- Enterprise telecom companies based in Curitiba, Brazil
- Enterprise telecom companies based in Fortaleza, Brazil