Company lists · Data refreshed September 2026
Top 25 Telephone companies based in the United Kingdom
RevenueBase identified 338 company matches for telephone companies associated with the United Kingdom as of September 2026 and tracks 6,265 professional contacts across them, including 1,262 with verified work emails. London is the largest hub.
This list covers company matches for telephone 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 16, 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 telephone companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 115 contacts → | ||||
Exact match “Sparta Telecom was established in Luton Bedfordshire in 2011.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 97 contacts → | ||||
Exact match “Yo Telecom is an award winning telecommunications provider that specialises in small to medium sized businesses.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 75 contacts → | ||||
Exact match “Contact an expert now: 0800 9 77 88 99 Specialists in providing businesses with telecoms, data and energy since 1989.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 74 contacts → | ||||
Exact match “Rydal Group is the brand name of Rydal Communications LTD, Rydal Security LTD & Rydal Energy LTD.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 69 contacts → | ||||
Exact match “With 30+ years of experience in industry, Welcomm transform the way businesses communicate and operate.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 61 contacts → | ||||
Exact match “Hello.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 61 contacts → | ||||
Exact match “We’re a leading unified communications provider supplying over 2 million users with the technology they need to work their magic.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 60 contacts → | ||||
Exact match “V4One proudly carries a die-hard belief in promoting service excellence.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 48 contacts → | ||||
Exact match “Customer-focused telecommunications company dedicated to building trust through transparent communication, reliable services, and unwavering commitment.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 46 contacts → | ||||
Exact match “Citycom is one of the UK’s leading providers of business telecoms solutions, offering mobile, fixed and cloud services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 33 contacts → | ||||
Exact match “Your Comms Group: Connecting Beyond Words.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 33 contacts → | ||||
Exact match “Proudly established in 2007, Avertec provides reliable technology solutions to help businesses stay connected, specialising in business telecoms, business mobile, landlines and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 32 contacts → | ||||
Exact match “Clarity Telecom is Northern Ireland's leading alternative to BT.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 29 contacts → | ||||
Exact match “Affordable, dependable and flexible solutions across mobile, broadband, telephony and IT services, for businesses big and small.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 28 contacts → | ||||
Exact match “Founded in RCUK is part of Rose Communications Group Ltd.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 28 contacts → | ||||
Exact match “At Atlas we’re in the business of communication, focusing on powering relationships by supplying technology that keeps you and your customers connected.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 26 contacts → | ||||
Exact match “Ghekko is an independent international company providing professional services within the Telecommunications hardware market, with operating offices in EMEA & North America.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 24 contacts → | ||||
Exact match “NGC Networks is a business communications company specialising in telecommunications and internet connectivity solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 24 contacts → | ||||
Exact match “We are a leading telecommunications business with offices based in Bridgend, Bristol and Aberystwyth - covering Wales and South West UK.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 22 contacts → | ||||
Exact match “With over 30 years of experience in the telecoms industry we specialise in the installation of award-winning phone systems from some of the biggest names like Samsung, Siemens…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 22 contacts → | ||||
Exact match “Telecom2 is an all-in one, business to business telecommunications provider with an extensive portfolio of technology, products and services across the voice and mobile sectors.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 22 contacts → | ||||
Exact match “Origin Broadband is an internet service provider.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 20 contacts → | ||||
Exact match “At FTZ Telecoms, we help businesses stay connected with reliable, flexible solutions for broadband, phone systems, and mobile.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 20 contacts → | ||||
Exact match “2 Circles Solutions have partnered with SCG Communications, NSN & Hello Telecom, creating 'SCG Solutions' creating a supercharged service provider with over 50 years of combined…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 20 contacts → | ||||
Exact match “Sirus are a provider of telecommunication products and services to business customers throughout the UK.” Recorded in the RevenueBase company graph · Sep 16, 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 “telephone 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 338 telephone companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 1,262 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Telephone companies based in the United Kingdom at a glance
As of Sep 16, 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 338 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 “telephone companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 1,262 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 16, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “telephone companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many telephone companies are there based in the United Kingdom?
RevenueBase identified 338 company matches for telephone 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?
Sparta Telecom LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most telephone companies?
London leads with 49 company records, followed by Manchester (7) and Belfast (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,262 professional contacts with verified work emails tracked across these 338 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 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 338 telephone companies based in the United Kingdom. Start with a free account, no credit card.
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Browse the directory
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
Company intelligence · public preview
Top 25 telephone 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 338 matching company records for telephone companies based in the United Kingdom, with 6,265 tracked contacts and 1,262 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 16, 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 telephone 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 |  Sparta Telecom LTDspartatelecom.comHQ: Luton, United KingdomReported employees: 51-200 | Luton, United Kingdom | 51-200 | Exact match | 115 contacts → |
“Sparta Telecom was established in Luton Bedfordshire in 2011.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  YO Telecomyotelecom.co.ukHQ: Southampton, United KingdomReported employees: 51-200 | Southampton, United Kingdom | 51-200 | Exact match | 97 contacts → |
“Yo Telecom is an award winning telecommunications provider that specialises in small to medium sized businesses.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  ICS Communicationsicscomms.co.ukHQ: Camberley, United KingdomReported employees: 11-50 | Camberley, United Kingdom | 11-50 | Exact match | 75 contacts → |
“Contact an expert now: 0800 9 77 88 99 Specialists in providing businesses with telecoms, data and energy since 1989.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Rydal Grouprydalgroup.co.ukHQ: Peterborough, United KingdomReported employees: 51-200 | Peterborough, United Kingdom | 51-200 | Exact match | 74 contacts → |
“Rydal Group is the brand name of Rydal Communications LTD, Rydal Security LTD & Rydal Energy LTD.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Welcomm Communicationswelcomm.co.ukHQ: Market Harborough, United KingdomReported employees: 51-200 | Market Harborough, United Kingdom | 51-200 | Exact match | 69 contacts → |
“With 30+ years of experience in industry, Welcomm transform the way businesses communicate and operate.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  5g Communications5gcomms.comHQ: High Wycombe, United KingdomReported employees: 51-200 | High Wycombe, United Kingdom | 51-200 | Exact match | 61 contacts → |
“Hello.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Enconvo UKenconvo.co.ukHQ: Telford, United KingdomReported employees: 51-200 | Telford, United Kingdom | 51-200 | Exact match | 61 contacts → |
“We’re a leading unified communications provider supplying over 2 million users with the technology they need to work their magic.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | V4onev4one.co.uk HQ: Coventry, United KingdomReported employees: 51-200 | Coventry, United Kingdom | 51-200 | Exact match | 60 contacts → |
“V4One proudly carries a die-hard belief in promoting service excellence.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  B3 Communicationsb3communications.co.ukHQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 48 contacts → |
“Customer-focused telecommunications company dedicated to building trust through transparent communication, reliable services, and unwavering commitment.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Citycomcitycom.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 46 contacts → |
“Citycom is one of the UK’s leading providers of business telecoms solutions, offering mobile, fixed and cloud services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Your Comms Groupyourcommsgroup.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Your Comms Group: Connecting Beyond Words.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Avertecavertec.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 33 contacts → |
“Proudly established in 2007, Avertec provides reliable technology solutions to help businesses stay connected, specialising in business telecoms, business mobile, landlines and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Clarity Telecomclaritytele.com HQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Clarity Telecom is Northern Ireland's leading alternative to BT.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | YAPPLyappl.com HQ: South Normanton, United KingdomReported employees: 11-50 | South Normanton, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Affordable, dependable and flexible solutions across mobile, broadband, telephony and IT services, for businesses big and small.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | RCUKrcuk.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Founded in RCUK is part of Rose Communications Group Ltd.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Atlas Communications NI LTDatlas-comms.comHQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 28 contacts → |
“At Atlas we’re in the business of communication, focusing on powering relationships by supplying technology that keeps you and your customers connected.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Ghekkoghekko.comHQ: Macclesfield, United KingdomReported employees: 11-50 | Macclesfield, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Ghekko is an independent international company providing professional services within the Telecommunications hardware market, with operating offices in EMEA & North America.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | NGC Networks Limited NOW Cloudclevrngcnetworks.co.uk HQ: Wakefield, United KingdomReported employees: 11-50 | Wakefield, United Kingdom | 11-50 | Exact match | 24 contacts → |
“NGC Networks is a business communications company specialising in telecommunications and internet connectivity solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | SCG Walesdatakom.co.uk HQ: Bridgend, United KingdomReported employees: 11-50 | Bridgend, United Kingdom | 11-50 | Exact match | 24 contacts → |
“We are a leading telecommunications business with offices based in Bridgend, Bristol and Aberystwyth - covering Wales and South West UK.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Fibre Telecoms UKfibretelecomsuk.co.uk HQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 22 contacts → |
“With over 30 years of experience in the telecoms industry we specialise in the installation of award-winning phone systems from some of the biggest names like Samsung, Siemens…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Telecom2telecom2.netHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Telecom2 is an all-in one, business to business telecommunications provider with an extensive portfolio of technology, products and services across the voice and mobile sectors.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Origin Broadbandoriginbroadband.com HQ: Rotherham, United KingdomReported employees: 51-200 | Rotherham, United Kingdom | 51-200 | Exact match | 22 contacts → |
“Origin Broadband is an internet service provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | FTZ Telecomsftzltd.com HQ: L'derry, United KingdomReported employees: 51-200 | L'derry, United Kingdom | 51-200 | Exact match | 20 contacts → |
“At FTZ Telecoms, we help businesses stay connected with reliable, flexible solutions for broadband, phone systems, and mobile.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SCG Solutionssolutions.scgtogether.com HQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 20 contacts → |
“2 Circles Solutions have partnered with SCG Communications, NSN & Hello Telecom, creating 'SCG Solutions' creating a supercharged service provider with over 50 years of combined…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sirus Telecom Limitedsirus-telecom.co.uk HQ: Eastleigh, United KingdomReported employees: 11-50 | Eastleigh, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Sirus are a provider of telecommunication products and services to business customers throughout the UK.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 338 company matches
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Telephone companies: dataset insights
September 16, 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
336 records in the displayed employee bands.
2 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 338 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 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for telephone 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 telephone companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 338 matching company records, 6,265 tracked contacts and 1,262 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 16, 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
Telephone companies by geography
- Telephone companies based in Sao Paulo, Brazil
- Telephone companies based in Argentina
- Telephone companies based in Australia
- Telephone companies based in Belgium
- Telephone companies based in Brazil
- Telephone companies based in Canada
- Telephone companies based in Chile
- Telephone companies based in Colombia
- Telephone companies based in France
- Telephone companies based in Germany
- Telephone companies based in India
- Telephone companies based in Italy
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 telephone companies based in the United Kingdom. Snapshot: September 16, 2026. https://revenuebase.ai/companies/telephone-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
Company intelligence · public preview
Top 25 telephone companies based in the United Kingdom
RevenueBase records 338 matching company records for telephone companies based in the United Kingdom, with 6,265 tracked contacts and 1,262 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 16, 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 telephone 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 | Sparta Telecom LTDspartatelecom.com HQ: Luton, United KingdomReported employees: 51-200 | Luton, United Kingdom | 51-200 | Exact match | 115 contacts → |
“Sparta Telecom was established in Luton Bedfordshire in 2011.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | YO Telecomyotelecom.co.uk HQ: Southampton, United KingdomReported employees: 51-200 | Southampton, United Kingdom | 51-200 | Exact match | 97 contacts → |
“Yo Telecom is an award winning telecommunications provider that specialises in small to medium sized businesses.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | ICS Communicationsicscomms.co.uk HQ: Camberley, United KingdomReported employees: 11-50 | Camberley, United Kingdom | 11-50 | Exact match | 75 contacts → |
“Contact an expert now: 0800 9 77 88 99 Specialists in providing businesses with telecoms, data and energy since 1989.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Rydal Grouprydalgroup.co.uk HQ: Peterborough, United KingdomReported employees: 51-200 | Peterborough, United Kingdom | 51-200 | Exact match | 74 contacts → |
“Rydal Group is the brand name of Rydal Communications LTD, Rydal Security LTD & Rydal Energy LTD.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Welcomm Communicationswelcomm.co.uk HQ: Market Harborough, United KingdomReported employees: 51-200 | Market Harborough, United Kingdom | 51-200 | Exact match | 69 contacts → |
“With 30+ years of experience in industry, Welcomm transform the way businesses communicate and operate.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 5g Communications5gcomms.com HQ: High Wycombe, United KingdomReported employees: 51-200 | High Wycombe, United Kingdom | 51-200 | Exact match | 61 contacts → |
“Hello.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Enconvo UKenconvo.co.uk HQ: Telford, United KingdomReported employees: 51-200 | Telford, United Kingdom | 51-200 | Exact match | 61 contacts → |
“We’re a leading unified communications provider supplying over 2 million users with the technology they need to work their magic.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | V4onev4one.co.uk HQ: Coventry, United KingdomReported employees: 51-200 | Coventry, United Kingdom | 51-200 | Exact match | 60 contacts → |
“V4One proudly carries a die-hard belief in promoting service excellence.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | B3 Communicationsb3communications.co.uk HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 48 contacts → |
“Customer-focused telecommunications company dedicated to building trust through transparent communication, reliable services, and unwavering commitment.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Citycomcitycom.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 46 contacts → |
“Citycom is one of the UK’s leading providers of business telecoms solutions, offering mobile, fixed and cloud services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Your Comms Groupyourcommsgroup.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Your Comms Group: Connecting Beyond Words.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Avertecavertec.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 33 contacts → |
“Proudly established in 2007, Avertec provides reliable technology solutions to help businesses stay connected, specialising in business telecoms, business mobile, landlines and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Clarity Telecomclaritytele.com HQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Clarity Telecom is Northern Ireland's leading alternative to BT.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | YAPPLyappl.com HQ: South Normanton, United KingdomReported employees: 11-50 | South Normanton, United Kingdom | 11-50 | Exact match | 29 contacts → |
“Affordable, dependable and flexible solutions across mobile, broadband, telephony and IT services, for businesses big and small.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | RCUKrcuk.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Founded in RCUK is part of Rose Communications Group Ltd.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Atlas Communications NI LTDatlas-comms.com HQ: Belfast, United KingdomReported employees: 11-50 | Belfast, United Kingdom | 11-50 | Exact match | 28 contacts → |
“At Atlas we’re in the business of communication, focusing on powering relationships by supplying technology that keeps you and your customers connected.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Ghekkoghekko.com HQ: Macclesfield, United KingdomReported employees: 11-50 | Macclesfield, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Ghekko is an independent international company providing professional services within the Telecommunications hardware market, with operating offices in EMEA & North America.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | NGC Networks Limited NOW Cloudclevrngcnetworks.co.uk HQ: Wakefield, United KingdomReported employees: 11-50 | Wakefield, United Kingdom | 11-50 | Exact match | 24 contacts → |
“NGC Networks is a business communications company specialising in telecommunications and internet connectivity solutions.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | SCG Walesdatakom.co.uk HQ: Bridgend, United KingdomReported employees: 11-50 | Bridgend, United Kingdom | 11-50 | Exact match | 24 contacts → |
“We are a leading telecommunications business with offices based in Bridgend, Bristol and Aberystwyth - covering Wales and South West UK.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Fibre Telecoms UKfibretelecomsuk.co.uk HQ: Southampton, United KingdomReported employees: 11-50 | Southampton, United Kingdom | 11-50 | Exact match | 22 contacts → |
“With over 30 years of experience in the telecoms industry we specialise in the installation of award-winning phone systems from some of the biggest names like Samsung, Siemens…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Telecom2telecom2.net HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Telecom2 is an all-in one, business to business telecommunications provider with an extensive portfolio of technology, products and services across the voice and mobile sectors.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Origin Broadbandoriginbroadband.com HQ: Rotherham, United KingdomReported employees: 51-200 | Rotherham, United Kingdom | 51-200 | Exact match | 22 contacts → |
“Origin Broadband is an internet service provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | FTZ Telecomsftzltd.com HQ: L'derry, United KingdomReported employees: 51-200 | L'derry, United Kingdom | 51-200 | Exact match | 20 contacts → |
“At FTZ Telecoms, we help businesses stay connected with reliable, flexible solutions for broadband, phone systems, and mobile.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SCG Solutionssolutions.scgtogether.com HQ: Aberdeen, United KingdomReported employees: 201-500 | Aberdeen, United Kingdom | 201-500 | Exact match | 20 contacts → |
“2 Circles Solutions have partnered with SCG Communications, NSN & Hello Telecom, creating 'SCG Solutions' creating a supercharged service provider with over 50 years of combined…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sirus Telecom Limitedsirus-telecom.co.uk HQ: Eastleigh, United KingdomReported employees: 11-50 | Eastleigh, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Sirus are a provider of telecommunication products and services to business customers throughout the UK.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 338 company matches
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Telephone companies: dataset insights
September 16, 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
336 records in the displayed employee bands.
2 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 338 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 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for telephone 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 telephone companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 338 matching company records, 6,265 tracked contacts and 1,262 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 16, 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.
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Cite this list
RevenueBase Data Team. Top 25 telephone companies based in the United Kingdom. Snapshot: September 16, 2026. https://revenuebase.ai/companies/telephone-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗