Company lists · Data refreshed September 2026
Top 25 Telecom cloud infrastructure software companies based in the United Kingdom
RevenueBase identified 161 company matches for telecom cloud infrastructure software companies associated with the United Kingdom as of September 2026 and tracks 3,725 professional contacts across them, including 958 with verified work emails. London is the largest hub.
This list covers company matches for telecom cloud infrastructure software 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 29, 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 telecom cloud infrastructure software companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 29, 2026 · View company records in RevenueBase | |||||
| 2 | 91 contacts → | ||||
Exact match “Metaswitch is a recognized leader in the development of ultra-high-performance, cloud native communications software.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 90 contacts → | ||||
Exact match “Made for businesses of all sizes, Bicom Systems revolutionizes communications by providing PBXware, the world's most unified turnkey open standards hosted telephony platform, plus…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 85 contacts → | ||||
Exact match “Gradwell Communications Ltd are a leading cloud communications solutions provider with a focus on small to medium-sized businesses (SMEs).” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 67 contacts → | ||||
Exact match “Telappliant is an award-winning VoIP and cloud communications provider.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 60 contacts → | ||||
Exact match “Digitalk, a Hansen Technologies company, enables communications service providers worldwide to operate efficient and innovative services profitably with its Carrier Cloud and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 56 contacts → | ||||
Exact match “We have over 20 years' experience of working to deliver best of breed cloud telephony solutions to B2B clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 52 contacts → | ||||
Exact match “We propel telecoms to innovate fearlessly for the last 30 years.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 44 contacts → | ||||
Exact match “At the UK’s most advanced network, we harness innovation, automation and simplicity to provide outstanding wholesale connectivity and cloud services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 43 contacts → | ||||
Exact match “Voiceflex is an innovative and multi-award-winning wholesale communications provider and leading telecoms carrier of SIP, Hosted Telephony, Connectivity, Unified Communications…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 35 contacts → | ||||
Exact match “Telelink provide the critical infrastructure that we all take for granted but has a major impact on our day-to-day life.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 31 contacts → | ||||
Exact match “OnApp makes cloud fast, easy & profitable for Telcos, MSPs & other cloud service providers.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 28 contacts → | ||||
Exact match “Eloquent operates a range of platforms across various secure data centres in the UK, all of which are connected to our network and serve as the delivery point for our services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 28 contacts → | ||||
Exact match “Now part of the Onecom Group, Olive and Onecom create the largest business-to-business mobile, fixed-line and cloud specialist in the UK.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 26 contacts → | ||||
Exact match “We Are CORTEX are global leaders in advanced automation and orchestration.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 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 29, 2026 · View company records in RevenueBase | |||||
| 17 | 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 29, 2026 · View company records in RevenueBase | |||||
| 18 | 22 contacts → | ||||
Exact match “Voip Unlimited has been delivering premium telecoms, cloud, and connectivity solutions since 2006, working hand-in-hand with IT and telecoms partners across the UK.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 21 contacts → | ||||
Exact match “At atom.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 21 contacts → | ||||
Exact match “Talk Telecom Ltd is a leading independent unified telecommunications provider who equips small, medium and large enterprise customers with the telecoms infrastructure required to…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 19 contacts → | ||||
Exact match “Since 2006, Birmingham Telecom has been helping businesses across the UK with reliable business telecoms, Managed IT Support, Cyber Security and Connectivity Solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 17 contacts → | ||||
Exact match “17 Years of Telecommunications Excellence: Specialising in Cloud-Based Solutions to Keep You Connected to Your Customers and Colleagues Before the 2025 Switch-Off.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 15 contacts → | ||||
Exact match “VTSL Ltd is a leading cloud communications company in the UK & Ireland.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 14 contacts → | ||||
Exact match “At ConnectCom, we are committed to powering the future of connectivity.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 12 contacts → | ||||
Exact match “VoIPcloud Wholesale is a specialist in wholesale cloud telephony platforms and solutions.” Recorded in the RevenueBase company graph · Sep 29, 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 “telecom cloud infrastructure software 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 161 telecom cloud infrastructure software companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 958 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Telecom cloud infrastructure software companies based in the United Kingdom at a glance
As of Sep 29, 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 161 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 “telecom cloud infrastructure software 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 958 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 29, 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.
Telecom cloud infrastructure software 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 “telecom cloud infrastructure software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many telecom cloud infrastructure software companies are there based in the United Kingdom?
RevenueBase identified 161 company matches for telecom cloud infrastructure software 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?
Magdalene tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most telecom cloud infrastructure software companies?
London leads with 40 company records, followed by Reading (5) and Bolton (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 958 professional contacts with verified work emails tracked across these 161 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 161 telecom cloud infrastructure software companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Telecom cloud infrastructure software companies by geography
- Telecom cloud infrastructure software companies based in London, United Kingdom
- Telecom cloud infrastructure software companies based in Australia
- Telecom cloud infrastructure software companies based in Brazil
- Telecom cloud infrastructure software companies based in Canada
- Telecom cloud infrastructure software companies based in France
- Telecom cloud infrastructure software companies based in Germany
- Telecom cloud infrastructure software companies based in India
- Telecom cloud infrastructure software companies based in Italy
- Telecom cloud infrastructure software companies based in Mexico
- Telecom cloud infrastructure software companies based in the Netherlands
- Telecom cloud infrastructure software companies based in Spain
- Telecom cloud infrastructure software companies based in the United States
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
- Telecom cloud infrastructure software companies based in London, United Kingdom
- Telecom cloud infrastructure software companies based in Australia
- Telecom cloud infrastructure software companies based in Brazil
- Telecom cloud infrastructure software companies based in Canada
- Telecom cloud infrastructure software companies based in France
- Telecom cloud infrastructure software companies based in Germany
Company intelligence · public preview
Top 25 telecom cloud infrastructure software 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 161 matching company records for telecom cloud infrastructure software companies based in the United Kingdom, with 3,725 tracked contacts and 958 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 29, 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 telecom cloud infrastructure software 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 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Metaswitch Networksmetaswitch.comHQ: Enfield, United KingdomReported employees: 501-1,000 | Enfield, United Kingdom | 501-1,000 | Exact match | 91 contacts → |
“Metaswitch is a recognized leader in the development of ultra-high-performance, cloud native communications software.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Bicom Systemsbicomsystems.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 90 contacts → |
“Made for businesses of all sizes, Bicom Systems revolutionizes communications by providing PBXware, the world's most unified turnkey open standards hosted telephony platform, plus…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Gradwellgradwell.comHQ: Bath, United KingdomReported employees: 51-200 | Bath, United Kingdom | 51-200 | Exact match | 85 contacts → |
“Gradwell Communications Ltd are a leading cloud communications solutions provider with a focus on small to medium-sized businesses (SMEs).” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Telapplianttelappliant.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 67 contacts → |
“Telappliant is an award-winning VoIP and cloud communications provider.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Digitalkdigitalk.comHQ: Milton Keynes, United KingdomReported employees: 51-200 | Milton Keynes, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Digitalk, a Hansen Technologies company, enables communications service providers worldwide to operate efficient and innovative services profitably with its Carrier Cloud and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Firstcom Europe LTDfirstcomeurope.co.ukHQ: Bolton, United KingdomReported employees: 51-200 | Bolton, United Kingdom | 51-200 | Exact match | 56 contacts → |
“We have over 20 years' experience of working to deliver best of breed cloud telephony solutions to B2B clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Lifecycle Softwarelifecycle-software.comHQ: Newbury, United KingdomReported employees: 11-50 | Newbury, United Kingdom | 11-50 | Exact match | 52 contacts → |
“We propel telecoms to innovate fearlessly for the last 30 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Virtual1pxc.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 44 contacts → |
“At the UK’s most advanced network, we harness innovation, automation and simplicity to provide outstanding wholesale connectivity and cloud services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Voiceflexvoiceflex.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 43 contacts → |
“Voiceflex is an innovative and multi-award-winning wholesale communications provider and leading telecoms carrier of SIP, Hosted Telephony, Connectivity, Unified Communications…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Telelink Infra Services UKtelelinkinfra.com HQ: Theale, United KingdomReported employees: 51-200 | Theale, United Kingdom | 51-200 | Exact match | 35 contacts → |
“Telelink provide the critical infrastructure that we all take for granted but has a major impact on our day-to-day life.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  ONAPPonapp.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 31 contacts → |
“OnApp makes cloud fast, easy & profitable for Telcos, MSPs & other cloud service providers.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Eloquent Technologies Limitedeloquent-technologies-group.comHQ: Stratford Upon Avon, United KingdomReported employees: 11-50 | Stratford Upon Avon, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Eloquent operates a range of platforms across various secure data centres in the UK, all of which are connected to our network and serve as the delivery point for our services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Olive Communications UKolive.co.ukHQ: High Wycombe, United KingdomReported employees: 51-200 | High Wycombe, United Kingdom | 51-200 | Exact match | 28 contacts → |
“Now part of the Onecom Group, Olive and Onecom create the largest business-to-business mobile, fixed-line and cloud specialist in the UK.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  We ARE Cortexwearecortex.comHQ: Southampton, United KingdomReported employees: 51-200 | Southampton, United Kingdom | 51-200 | Exact match | 26 contacts → |
“We Are CORTEX are global leaders in advanced automation and orchestration.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Voip Unlimitedvoip-unlimited.net HQ: Poole, United KingdomReported employees: 11-50 | Poole, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Voip Unlimited has been delivering premium telecoms, cloud, and connectivity solutions since 2006, working hand-in-hand with IT and telecoms partners across the UK.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  ATOMatomts.co.ukHQ: Newcastle Upon Tyne, United KingdomReported employees: 11-50 | Newcastle Upon Tyne, United Kingdom | 11-50 | Exact match | 21 contacts → |
“At atom.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Talk Telecom LTDtalk-telecom.co.uk HQ: High Wycombe, United KingdomReported employees: 11-50 | High Wycombe, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Talk Telecom Ltd is a leading independent unified telecommunications provider who equips small, medium and large enterprise customers with the telecoms infrastructure required to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Birmingham Telecommunications Limitedbirminghamtelecom.co.ukHQ: Coleshill, United KingdomReported employees: 11-50 | Coleshill, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Since 2006, Birmingham Telecom has been helping businesses across the UK with reliable business telecoms, Managed IT Support, Cyber Security and Connectivity Solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Airtime Solutions LTDairtimesolutions.co.ukHQ: Bridgnorth, United KingdomReported employees: 11-50 | Bridgnorth, United Kingdom | 11-50 | Exact match | 17 contacts → |
“17 Years of Telecommunications Excellence: Specialising in Cloud-Based Solutions to Keep You Connected to Your Customers and Colleagues Before the 2025 Switch-Off.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  VTSLvtsl.netHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“VTSL Ltd is a leading cloud communications company in the UK & Ireland.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Connectcom Solutionsccomsolutions.co.ukHQ: Reading, United KingdomReported employees: 11-50 | Reading, United Kingdom | 11-50 | Exact match | 14 contacts → |
“At ConnectCom, we are committed to powering the future of connectivity.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Voipcloud Wholesalevoipcloud.onlineHQ: Exeter, United KingdomReported employees: 11-50 | Exeter, United Kingdom | 11-50 | Exact match | 12 contacts → |
“VoIPcloud Wholesale is a specialist in wholesale cloud telephony platforms and solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 161 company matches
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Telecom cloud infrastructure software companies: dataset insights
September 29, 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
159 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 161 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 29, 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 ↗
Telecom cloud infrastructure software companies by metro
Questions about this company list
What does Exact match mean for telecom cloud infrastructure software 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 telecom cloud infrastructure software companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 161 matching company records, 3,725 tracked contacts and 958 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 29, 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
Telecom cloud infrastructure software companies by geography
- Telecom cloud infrastructure software companies based in London, United Kingdom
- Telecom cloud infrastructure software companies based in Australia
- Telecom cloud infrastructure software companies based in Brazil
- Telecom cloud infrastructure software companies based in Canada
- Telecom cloud infrastructure software companies based in France
- Telecom cloud infrastructure software companies based in Germany
- Telecom cloud infrastructure software companies based in India
- Telecom cloud infrastructure software companies based in Italy
- Telecom cloud infrastructure software companies based in Mexico
- Telecom cloud infrastructure software companies based in the Netherlands
- Telecom cloud infrastructure software companies based in Spain
- Telecom cloud infrastructure software companies based in the United States
Cite this list
RevenueBase Data Team. Top 25 telecom cloud infrastructure software companies based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/telecom-cloud-infrastructure-software-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
- Telecom cloud infrastructure software companies based in London, United Kingdom
- Telecom cloud infrastructure software companies based in Australia
- Telecom cloud infrastructure software companies based in Brazil
- Telecom cloud infrastructure software companies based in Canada
- Telecom cloud infrastructure software companies based in France
- Telecom cloud infrastructure software companies based in Germany
Company intelligence · public preview
Top 25 telecom cloud infrastructure software companies based in the United Kingdom
RevenueBase records 161 matching company records for telecom cloud infrastructure software companies based in the United Kingdom, with 3,725 tracked contacts and 958 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 29, 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 telecom cloud infrastructure software 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 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Metaswitch Networksmetaswitch.com HQ: Enfield, United KingdomReported employees: 501-1,000 | Enfield, United Kingdom | 501-1,000 | Exact match | 91 contacts → |
“Metaswitch is a recognized leader in the development of ultra-high-performance, cloud native communications software.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Bicom Systemsbicomsystems.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 90 contacts → |
“Made for businesses of all sizes, Bicom Systems revolutionizes communications by providing PBXware, the world's most unified turnkey open standards hosted telephony platform, plus…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Gradwellgradwell.com HQ: Bath, United KingdomReported employees: 51-200 | Bath, United Kingdom | 51-200 | Exact match | 85 contacts → |
“Gradwell Communications Ltd are a leading cloud communications solutions provider with a focus on small to medium-sized businesses (SMEs).” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Telapplianttelappliant.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 67 contacts → |
“Telappliant is an award-winning VoIP and cloud communications provider.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Digitalkdigitalk.com HQ: Milton Keynes, United KingdomReported employees: 51-200 | Milton Keynes, United Kingdom | 51-200 | Exact match | 60 contacts → |
“Digitalk, a Hansen Technologies company, enables communications service providers worldwide to operate efficient and innovative services profitably with its Carrier Cloud and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Firstcom Europe LTDfirstcomeurope.co.uk HQ: Bolton, United KingdomReported employees: 51-200 | Bolton, United Kingdom | 51-200 | Exact match | 56 contacts → |
“We have over 20 years' experience of working to deliver best of breed cloud telephony solutions to B2B clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Lifecycle Softwarelifecycle-software.com HQ: Newbury, United KingdomReported employees: 11-50 | Newbury, United Kingdom | 11-50 | Exact match | 52 contacts → |
“We propel telecoms to innovate fearlessly for the last 30 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Virtual1pxc.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 44 contacts → |
“At the UK’s most advanced network, we harness innovation, automation and simplicity to provide outstanding wholesale connectivity and cloud services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Voiceflexvoiceflex.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 43 contacts → |
“Voiceflex is an innovative and multi-award-winning wholesale communications provider and leading telecoms carrier of SIP, Hosted Telephony, Connectivity, Unified Communications…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Telelink Infra Services UKtelelinkinfra.com HQ: Theale, United KingdomReported employees: 51-200 | Theale, United Kingdom | 51-200 | Exact match | 35 contacts → |
“Telelink provide the critical infrastructure that we all take for granted but has a major impact on our day-to-day life.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | ONAPPonapp.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 31 contacts → |
“OnApp makes cloud fast, easy & profitable for Telcos, MSPs & other cloud service providers.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Eloquent Technologies Limitedeloquent-technologies-group.com HQ: Stratford Upon Avon, United KingdomReported employees: 11-50 | Stratford Upon Avon, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Eloquent operates a range of platforms across various secure data centres in the UK, all of which are connected to our network and serve as the delivery point for our services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Olive Communications UKolive.co.uk HQ: High Wycombe, United KingdomReported employees: 51-200 | High Wycombe, United Kingdom | 51-200 | Exact match | 28 contacts → |
“Now part of the Onecom Group, Olive and Onecom create the largest business-to-business mobile, fixed-line and cloud specialist in the UK.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | We ARE Cortexwearecortex.com HQ: Southampton, United KingdomReported employees: 51-200 | Southampton, United Kingdom | 51-200 | Exact match | 26 contacts → |
“We Are CORTEX are global leaders in advanced automation and orchestration.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Voip Unlimitedvoip-unlimited.net HQ: Poole, United KingdomReported employees: 11-50 | Poole, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Voip Unlimited has been delivering premium telecoms, cloud, and connectivity solutions since 2006, working hand-in-hand with IT and telecoms partners across the UK.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | ATOMatomts.co.uk HQ: Newcastle Upon Tyne, United KingdomReported employees: 11-50 | Newcastle Upon Tyne, United Kingdom | 11-50 | Exact match | 21 contacts → |
“At atom.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Talk Telecom LTDtalk-telecom.co.uk HQ: High Wycombe, United KingdomReported employees: 11-50 | High Wycombe, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Talk Telecom Ltd is a leading independent unified telecommunications provider who equips small, medium and large enterprise customers with the telecoms infrastructure required to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Birmingham Telecommunications Limitedbirminghamtelecom.co.uk HQ: Coleshill, United KingdomReported employees: 11-50 | Coleshill, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Since 2006, Birmingham Telecom has been helping businesses across the UK with reliable business telecoms, Managed IT Support, Cyber Security and Connectivity Solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Airtime Solutions LTDairtimesolutions.co.uk HQ: Bridgnorth, United KingdomReported employees: 11-50 | Bridgnorth, United Kingdom | 11-50 | Exact match | 17 contacts → |
“17 Years of Telecommunications Excellence: Specialising in Cloud-Based Solutions to Keep You Connected to Your Customers and Colleagues Before the 2025 Switch-Off.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | VTSLvtsl.net HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“VTSL Ltd is a leading cloud communications company in the UK & Ireland.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Connectcom Solutionsccomsolutions.co.uk HQ: Reading, United KingdomReported employees: 11-50 | Reading, United Kingdom | 11-50 | Exact match | 14 contacts → |
“At ConnectCom, we are committed to powering the future of connectivity.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Voipcloud Wholesalevoipcloud.online HQ: Exeter, United KingdomReported employees: 11-50 | Exeter, United Kingdom | 11-50 | Exact match | 12 contacts → |
“VoIPcloud Wholesale is a specialist in wholesale cloud telephony platforms and solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 161 company matches
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Telecom cloud infrastructure software companies: dataset insights
September 29, 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
159 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 161 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 29, 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 ↗
Telecom cloud infrastructure software companies by metro
Questions about this company list
What does Exact match mean for telecom cloud infrastructure software 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 telecom cloud infrastructure software companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 161 matching company records, 3,725 tracked contacts and 958 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 29, 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
Telecom cloud infrastructure software companies by geography
- Telecom cloud infrastructure software companies based in London, United Kingdom
- Telecom cloud infrastructure software companies based in Australia
- Telecom cloud infrastructure software companies based in Brazil
- Telecom cloud infrastructure software companies based in Canada
- Telecom cloud infrastructure software companies based in France
- Telecom cloud infrastructure software companies based in Germany
- Telecom cloud infrastructure software companies based in India
- Telecom cloud infrastructure software companies based in Italy
- Telecom cloud infrastructure software companies based in Mexico
- Telecom cloud infrastructure software companies based in the Netherlands
- Telecom cloud infrastructure software companies based in Spain
- Telecom cloud infrastructure software companies based in the United States
Cite this list
RevenueBase Data Team. Top 25 telecom cloud infrastructure software companies based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/telecom-cloud-infrastructure-software-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Telecom cloud infrastructure software companies based in Canada
- Telecom cloud infrastructure software companies based in France
- Telecom cloud infrastructure software companies based in Germany