Company lists · Data refreshed September 2026
Top 25 Enterprise voip providers based in the United Kingdom
RevenueBase identified 328 company matches for enterprise voip providers associated with the United Kingdom as of September 2026 and tracks 2,939 professional contacts across them, including 635 with verified work emails and 133 with mobile numbers. London is the largest hub.
This list covers company matches for enterprise voip providers associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 2, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest enterprise voip providers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 172 contacts → | ||||
Exact match “bOnline is UK’s leading provider of VoIP services for micro and small businesses.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 2 | 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 2, 2026 · View company records in RevenueBase | |||||
| 3 | 84 contacts → | ||||
Exact match “Sipcom exists to make you the hero of your business narrative by turning complexity into clarity.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 4 | 67 contacts → | ||||
Exact match “Telappliant is an award-winning VoIP and cloud communications provider.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 5 | 44 contacts → | ||||
Exact match “We help UK companies cut costs, stay connected, and scale smarter - with VoIP, mobile and broadband solutions that actually work.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 6 | 32 contacts → | ||||
Exact match “At Lister Unified Communications we understand that everyone’s business telephone requirements are different.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 7 | 29 contacts → | ||||
Exact match “VoiceMailTel is a high tech innovator and service provider of a unified telecommunication solution which effectively integrates PSTN, VoIP, cellular, voicemail into an…” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 8 | 29 contacts → | ||||
Exact match “Comms Connect is an independent B2B telecommunications provider, specialising in providing business communication solutions.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 9 | 25 contacts → | ||||
Exact match “NTA Ltd are a UK based VoIP Carrier - Hosted Telephony in your name & branding, utilising our network infrastructure.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 10 | 21 contacts → | ||||
Exact match “Wavetel is one of the top VoIP Phone System and Telecom Services Providers in the UK.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 11 | 19 contacts → | ||||
Exact match “We are an established telecom service provider taking SMEs to the Cloud using our 18 years of experience, superior customer support and competitive pricing.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 12 | 17 contacts → | ||||
Exact match “VoIPstudio is a complete business phone system and scalable call center with small business pricing.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 13 | 15 contacts → | ||||
Exact match “At GPS Telecom, we help UK businesses stay connected with reliable, straightforward telecoms solutions, from VoIP phone systems to business mobile plans and fast, secure internet…” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “We are a telecommunications company based in Daresbury, Cheshire, in northwest England.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 15 | 13 contacts → | ||||
Exact match “British based Splicecom is the Channel focussed Voice Solution provider offering enhanced voice services deployed in the cloud, on–premise or any blend of the two.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “At Connect Comms we are committed to supplying all our customers with a first-class service from start to finish for no extra expense.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 17 | 12 contacts → | ||||
Exact match “IP Office Ltd is a leading supplier of business communications and IT services.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 18 | 10 contacts → | ||||
Exact match “in2tel provides reliable and feature-rich business VoIP through phone lines, phone systems, and contact centre solutions.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 19 | 10 contacts → | ||||
Exact match “Y-our Network Group provides modern, reliable telecoms solutions designed specifically for small and medium-sized businesses across the UK.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 20 | 10 contacts → | ||||
Exact match “Nexus IP have been providing business telephony nationwide for over 30 years.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 21 | 10 contacts → | ||||
Exact match “The Real PBX is a leading provider of unified cloud communication services to consumers and businesses.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 22 | 9 contacts → | ||||
Exact match “If you feel that your business telephone system no longer meets the needs of your business then why not talk to us?” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 23 | 8 contacts → | ||||
Exact match “VanillaIP is a leading UK provider of real-time, integrated communication solutions in the Cloud.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 24 | 8 contacts → | ||||
Exact match “Voxbit is reinventing the business phone by merging the worlds of cloud computing, web services & telecommunications to make collaborating part of the team.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
| 25 | 8 contacts → | ||||
Exact match “VoIPon is a worldwide business to business distributor of the highest quality voice over IP hardware.” Recorded in the RevenueBase company graph · Sep 2, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “enterprise voip providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 328 enterprise voip providers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 635 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Enterprise voip providers based in the United Kingdom at a glance
As of Sep 2, 2026Companies by employee count
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United Kingdom whose business descriptions match “enterprise voip providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 635 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 2, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Enterprise voip providers by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “enterprise voip providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many enterprise voip providers are there based in the United Kingdom?
RevenueBase identified 328 company matches for enterprise voip providers 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?
Bonline tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most enterprise voip providers?
London leads with 73 company records, followed by Birmingham (8) and Manchester (7).
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 635 professional contacts with verified work emails tracked across these 328 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 2, 2026.
Ready to reach these companies? Verified emails and direct dials for all 328 enterprise voip providers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Enterprise voip providers by geography
- Enterprise voip providers based in the United States
- Enterprise voip providers based in Canada
- Enterprise voip providers based in Brazil
- Enterprise voip providers based in Australia
- Enterprise voip providers based in the Netherlands
- Enterprise voip providers based in France
- Enterprise voip providers based in Spain
- Enterprise voip providers based in Italy
- Enterprise voip providers based in South Africa
- Enterprise voip providers based in Germany
- Enterprise voip providers based in Belgium
- Enterprise voip providers based in Sao Paulo, Brazil
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Enterprise voip providers based in the United States
- Enterprise voip providers based in Canada
- Enterprise voip providers based in Brazil
- Enterprise voip providers based in Australia
- Enterprise voip providers based in the Netherlands
- Enterprise voip providers based in France
Company intelligence · public preview
Top 25 enterprise voip providers based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 328 matching company records for enterprise voip providers based in the United Kingdom, with 2,939 tracked contacts and 635 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 2, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 enterprise voip providers based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 172 contacts → |
“bOnline is UK’s leading provider of VoIP services for micro and small businesses.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: HQ not recorded; location: West Bath, United KingdomReported employees: 51-200 | HQ not recorded; location: West 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 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 84 contacts → |
“Sipcom exists to make you the hero of your business narrative by turning complexity into clarity.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: HQ not recorded; location: Manchester, United KingdomReported employees: 51-200 | HQ not recorded; location: Manchester, United Kingdom | 51-200 | Exact match | 67 contacts → |
“Telappliant is an award-winning VoIP and cloud communications provider.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: HQ not recorded; location: Gosport, United KingdomReported employees: 51-200 | HQ not recorded; location: Gosport, United Kingdom | 51-200 | Exact match | 44 contacts → |
“We help UK companies cut costs, stay connected, and scale smarter - with VoIP, mobile and broadband solutions that actually work.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: HQ not recorded; location: Stonehouse, United KingdomReported employees: 11-50 | HQ not recorded; location: Stonehouse, United Kingdom | 11-50 | Exact match | 32 contacts → |
“At Lister Unified Communications we understand that everyone’s business telephone requirements are different.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: HQ not recorded; location: Haslemere, United KingdomReported employees: 51-200 | HQ not recorded; location: Haslemere, United Kingdom | 51-200 | Exact match | 29 contacts → |
“VoiceMailTel is a high tech innovator and service provider of a unified telecommunication solution which effectively integrates PSTN, VoIP, cellular, voicemail into an…” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: HQ not recorded; location: United KingdomReported employees: 11-50 | HQ not recorded; location: United Kingdom | 11-50 | Exact match | 29 contacts → |
“Comms Connect is an independent B2B telecommunications provider, specialising in providing business communication solutions.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: HQ not recorded; location: Romford, United KingdomReported employees: 11-50 | HQ not recorded; location: Romford, United Kingdom | 11-50 | Exact match | 25 contacts → |
“NTA Ltd are a UK based VoIP Carrier - Hosted Telephony in your name & branding, utilising our network infrastructure.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 21 contacts → |
“Wavetel is one of the top VoIP Phone System and Telecom Services Providers in the UK.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: HQ not recorded; location: Coleshill, United KingdomReported employees: 11-50 | HQ not recorded; location: Coleshill, United Kingdom | 11-50 | Exact match | 19 contacts → |
“We are an established telecom service provider taking SMEs to the Cloud using our 18 years of experience, superior customer support and competitive pricing.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 17 contacts → |
“VoIPstudio is a complete business phone system and scalable call center with small business pricing.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: HQ not recorded; location: United KingdomReported employees: 11-50 | HQ not recorded; location: United Kingdom | 11-50 | Exact match | 15 contacts → |
“At GPS Telecom, we help UK businesses stay connected with reliable, straightforward telecoms solutions, from VoIP phone systems to business mobile plans and fast, secure internet…” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: HQ not recorded; location: Daresbury, United KingdomReported employees: 11-50 | HQ not recorded; location: Daresbury, United Kingdom | 11-50 | Exact match | 13 contacts → |
“We are a telecommunications company based in Daresbury, Cheshire, in northwest England.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: HQ not recorded; location: Chorleywood, United KingdomReported employees: 51-200 | HQ not recorded; location: Chorleywood, United Kingdom | 51-200 | Exact match | 13 contacts → |
“British based Splicecom is the Channel focussed Voice Solution provider offering enhanced voice services deployed in the cloud, on–premise or any blend of the two.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: HQ not recorded; location: Manchester, United KingdomReported employees: 11-50 | HQ not recorded; location: Manchester, United Kingdom | 11-50 | Exact match | 12 contacts → |
“At Connect Comms we are committed to supplying all our customers with a first-class service from start to finish for no extra expense.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: HQ not recorded; location: Exeter, United KingdomReported employees: 11-50 | HQ not recorded; location: Exeter, United Kingdom | 11-50 | Exact match | 12 contacts → |
“IP Office Ltd is a leading supplier of business communications and IT services.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: HQ not recorded; location: Telford, United KingdomReported employees: 11-50 | HQ not recorded; location: Telford, United Kingdom | 11-50 | Exact match | 10 contacts → |
“in2tel provides reliable and feature-rich business VoIP through phone lines, phone systems, and contact centre solutions.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: HQ not recorded; location: United KingdomReported employees: 11-50 | HQ not recorded; location: United Kingdom | 11-50 | Exact match | 10 contacts → |
“Y-our Network Group provides modern, reliable telecoms solutions designed specifically for small and medium-sized businesses across the UK.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Nexus IP have been providing business telephony nationwide for over 30 years.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: HQ not recorded; location: Snodland, United KingdomReported employees: 11-50 | HQ not recorded; location: Snodland, United Kingdom | 11-50 | Exact match | 10 contacts → |
“The Real PBX is a leading provider of unified cloud communication services to consumers and businesses.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: HQ not recorded; location: Burgess Hill, United KingdomReported employees: 11-50 | HQ not recorded; location: Burgess Hill, United Kingdom | 11-50 | Exact match | 9 contacts → |
“If you feel that your business telephone system no longer meets the needs of your business then why not talk to us?” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: HQ not recorded; location: Croydon, United KingdomReported employees: 51-200 | HQ not recorded; location: Croydon, United Kingdom | 51-200 | Exact match | 8 contacts → |
“VanillaIP is a leading UK provider of real-time, integrated communication solutions in the Cloud.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: HQ not recorded; location: Belfast, United KingdomReported employees: 11-50 | HQ not recorded; location: Belfast, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Voxbit is reinventing the business phone by merging the worlds of cloud computing, web services & telecommunications to make collaborating part of the team.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: HQ not recorded; location: Chelmsford, United KingdomReported employees: 11-50 | HQ not recorded; location: Chelmsford, United Kingdom | 11-50 | Exact match | 8 contacts → |
“VoIPon is a worldwide business to business distributor of the highest quality voice over IP hardware.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 328 company matches
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Enterprise voip providers: dataset insights
September 2, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
316 records in the displayed employee bands.
12 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 2, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Enterprise voip providers by metro
Questions about this company list
What does Exact match mean for enterprise voip providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many enterprise voip providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 328 matching company records, 2,939 tracked contacts and 635 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 2, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Enterprise voip providers by geography
- Enterprise voip providers based in the United States
- Enterprise voip providers based in Canada
- Enterprise voip providers based in Brazil
- Enterprise voip providers based in Australia
- Enterprise voip providers based in the Netherlands
- Enterprise voip providers based in France
- Enterprise voip providers based in Spain
- Enterprise voip providers based in Italy
- Enterprise voip providers based in South Africa
- Enterprise voip providers based in Germany
- Enterprise voip providers based in Belgium
- Enterprise voip providers based in Sao Paulo, Brazil
Cite this list
RevenueBase Data Team. Top 25 enterprise voip providers based in the United Kingdom. Snapshot: September 2, 2026. https://revenuebase.ai/companies/enterprise-voip-providers/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Enterprise voip providers based in the United States
- Enterprise voip providers based in Canada
- Enterprise voip providers based in Brazil
- Enterprise voip providers based in Australia
- Enterprise voip providers based in the Netherlands
- Enterprise voip providers based in France
Company intelligence · public preview
Top 25 enterprise voip providers based in the United Kingdom
RevenueBase records 328 matching company records for enterprise voip providers based in the United Kingdom, with 2,939 tracked contacts and 635 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 2, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 enterprise voip providers based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 172 contacts → |
“bOnline is UK’s leading provider of VoIP services for micro and small businesses.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: HQ not recorded; location: West Bath, United KingdomReported employees: 51-200 | HQ not recorded; location: West 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 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 84 contacts → |
“Sipcom exists to make you the hero of your business narrative by turning complexity into clarity.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: HQ not recorded; location: Manchester, United KingdomReported employees: 51-200 | HQ not recorded; location: Manchester, United Kingdom | 51-200 | Exact match | 67 contacts → |
“Telappliant is an award-winning VoIP and cloud communications provider.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: HQ not recorded; location: Gosport, United KingdomReported employees: 51-200 | HQ not recorded; location: Gosport, United Kingdom | 51-200 | Exact match | 44 contacts → |
“We help UK companies cut costs, stay connected, and scale smarter - with VoIP, mobile and broadband solutions that actually work.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: HQ not recorded; location: Stonehouse, United KingdomReported employees: 11-50 | HQ not recorded; location: Stonehouse, United Kingdom | 11-50 | Exact match | 32 contacts → |
“At Lister Unified Communications we understand that everyone’s business telephone requirements are different.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: HQ not recorded; location: Haslemere, United KingdomReported employees: 51-200 | HQ not recorded; location: Haslemere, United Kingdom | 51-200 | Exact match | 29 contacts → |
“VoiceMailTel is a high tech innovator and service provider of a unified telecommunication solution which effectively integrates PSTN, VoIP, cellular, voicemail into an…” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: HQ not recorded; location: United KingdomReported employees: 11-50 | HQ not recorded; location: United Kingdom | 11-50 | Exact match | 29 contacts → |
“Comms Connect is an independent B2B telecommunications provider, specialising in providing business communication solutions.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: HQ not recorded; location: Romford, United KingdomReported employees: 11-50 | HQ not recorded; location: Romford, United Kingdom | 11-50 | Exact match | 25 contacts → |
“NTA Ltd are a UK based VoIP Carrier - Hosted Telephony in your name & branding, utilising our network infrastructure.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 21 contacts → |
“Wavetel is one of the top VoIP Phone System and Telecom Services Providers in the UK.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: HQ not recorded; location: Coleshill, United KingdomReported employees: 11-50 | HQ not recorded; location: Coleshill, United Kingdom | 11-50 | Exact match | 19 contacts → |
“We are an established telecom service provider taking SMEs to the Cloud using our 18 years of experience, superior customer support and competitive pricing.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 17 contacts → |
“VoIPstudio is a complete business phone system and scalable call center with small business pricing.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: HQ not recorded; location: United KingdomReported employees: 11-50 | HQ not recorded; location: United Kingdom | 11-50 | Exact match | 15 contacts → |
“At GPS Telecom, we help UK businesses stay connected with reliable, straightforward telecoms solutions, from VoIP phone systems to business mobile plans and fast, secure internet…” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: HQ not recorded; location: Daresbury, United KingdomReported employees: 11-50 | HQ not recorded; location: Daresbury, United Kingdom | 11-50 | Exact match | 13 contacts → |
“We are a telecommunications company based in Daresbury, Cheshire, in northwest England.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: HQ not recorded; location: Chorleywood, United KingdomReported employees: 51-200 | HQ not recorded; location: Chorleywood, United Kingdom | 51-200 | Exact match | 13 contacts → |
“British based Splicecom is the Channel focussed Voice Solution provider offering enhanced voice services deployed in the cloud, on–premise or any blend of the two.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: HQ not recorded; location: Manchester, United KingdomReported employees: 11-50 | HQ not recorded; location: Manchester, United Kingdom | 11-50 | Exact match | 12 contacts → |
“At Connect Comms we are committed to supplying all our customers with a first-class service from start to finish for no extra expense.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: HQ not recorded; location: Exeter, United KingdomReported employees: 11-50 | HQ not recorded; location: Exeter, United Kingdom | 11-50 | Exact match | 12 contacts → |
“IP Office Ltd is a leading supplier of business communications and IT services.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: HQ not recorded; location: Telford, United KingdomReported employees: 11-50 | HQ not recorded; location: Telford, United Kingdom | 11-50 | Exact match | 10 contacts → |
“in2tel provides reliable and feature-rich business VoIP through phone lines, phone systems, and contact centre solutions.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: HQ not recorded; location: United KingdomReported employees: 11-50 | HQ not recorded; location: United Kingdom | 11-50 | Exact match | 10 contacts → |
“Y-our Network Group provides modern, reliable telecoms solutions designed specifically for small and medium-sized businesses across the UK.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 10 contacts → |
“Nexus IP have been providing business telephony nationwide for over 30 years.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: HQ not recorded; location: Snodland, United KingdomReported employees: 11-50 | HQ not recorded; location: Snodland, United Kingdom | 11-50 | Exact match | 10 contacts → |
“The Real PBX is a leading provider of unified cloud communication services to consumers and businesses.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: HQ not recorded; location: Burgess Hill, United KingdomReported employees: 11-50 | HQ not recorded; location: Burgess Hill, United Kingdom | 11-50 | Exact match | 9 contacts → |
“If you feel that your business telephone system no longer meets the needs of your business then why not talk to us?” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: HQ not recorded; location: Croydon, United KingdomReported employees: 51-200 | HQ not recorded; location: Croydon, United Kingdom | 51-200 | Exact match | 8 contacts → |
“VanillaIP is a leading UK provider of real-time, integrated communication solutions in the Cloud.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: HQ not recorded; location: Belfast, United KingdomReported employees: 11-50 | HQ not recorded; location: Belfast, United Kingdom | 11-50 | Exact match | 8 contacts → |
“Voxbit is reinventing the business phone by merging the worlds of cloud computing, web services & telecommunications to make collaborating part of the team.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: HQ not recorded; location: Chelmsford, United KingdomReported employees: 11-50 | HQ not recorded; location: Chelmsford, United Kingdom | 11-50 | Exact match | 8 contacts → |
“VoIPon is a worldwide business to business distributor of the highest quality voice over IP hardware.” Recorded description excerpt · September 2, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 328 company matches
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Enterprise voip providers: dataset insights
September 2, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
316 records in the displayed employee bands.
12 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 2, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Enterprise voip providers by metro
Questions about this company list
What does Exact match mean for enterprise voip providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many enterprise voip providers did RevenueBase find based in the United Kingdom?
The saved snapshot records 328 matching company records, 2,939 tracked contacts and 635 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 2, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Enterprise voip providers by geography
- Enterprise voip providers based in the United States
- Enterprise voip providers based in Canada
- Enterprise voip providers based in Brazil
- Enterprise voip providers based in Australia
- Enterprise voip providers based in the Netherlands
- Enterprise voip providers based in France
- Enterprise voip providers based in Spain
- Enterprise voip providers based in Italy
- Enterprise voip providers based in South Africa
- Enterprise voip providers based in Germany
- Enterprise voip providers based in Belgium
- Enterprise voip providers based in Sao Paulo, Brazil
Cite this list
RevenueBase Data Team. Top 25 enterprise voip providers based in the United Kingdom. Snapshot: September 2, 2026. https://revenuebase.ai/companies/enterprise-voip-providers/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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- Enterprise voip providers based in the United States
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- Enterprise voip providers based in Brazil
- Enterprise voip providers based in Australia
- Enterprise voip providers based in the Netherlands
- Enterprise voip providers based in France