Company lists · Data refreshed September 2026
Top 21 Unified communications platforms based in London, United Kingdom
RevenueBase identified 59 company matches for unified communications platforms associated with London, United Kingdom as of September 2026 and tracks 2,663 professional contacts across them, including 846 with verified work emails and 136 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for unified communications platforms associated with London, 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 13, 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 21 largest unified communications platforms based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,568 contacts → | ||||
Exact match “Gamma Communications is a leading provider of technology-based communication solutions across Europe.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 2 | 120 contacts → | ||||
Exact match “The Collaboration and CX solutions offered by NTT Ltd.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 3 | 86 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 13, 2026 · View company records in RevenueBase | |||||
| 4 | 70 contacts → | ||||
Exact match “On the 6th of February 2018, Viju and VisionsConnected officially terminated their previous company names, and created a new brand, Kinly We provide secure and flexible visual…” Recorded in the RevenueBase company graph · Sep 13, 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 13, 2026 · View company records in RevenueBase | |||||
| 6 | 52 contacts → | ||||
Exact match “SCB Global is a leading global provider of collaboration and communication solutions native inside Microsoft Teams, delivering workplace transformation for the dynamic workforce.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 7 | 45 contacts → | ||||
Exact match “Microtalk: Global Communications Made Simple For over 15 years, Microtalk has delivered reliable voice, messaging, and cloud communications to businesses worldwide.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 8 | 43 contacts → | ||||
Exact match “Xinix is UK’s leading cloud-based unified communication provider making persistent efforts towards modernizing business communications.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 9 | 15 contacts → | ||||
Exact match “VTSL Ltd is a leading cloud communications company in the UK & Ireland.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 10 | 13 contacts → | ||||
Exact match “Since 2006, Elisha Telecom has been at the forefront of innovation in the field of Unified Communications.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 11 | 9 contacts → | ||||
Exact match “Call, meet, view, & collaborate through a reliable service you can trust.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 12 | 8 contacts → | ||||
Exact match “AE Telco is a global leader in business communication solutions.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 13 | 7 contacts → | ||||
Exact match “We are proud to be one of London's most engaging and professional IT and Unified Communications companies.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match “Purify helps you make the right technology choices to increase productivity and create confident teams that reach their full potential.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “Interact Technology has extensive experience derived from over 20 years in providing business to business communications.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “THE MOBILE FIRST COMMUNICATION PLATFORM WITH FMC & WebRTC Apalo takes smarter communications to the next level, combining a comprehensive set of collaboration tools and rich…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “At ZiAAS, we're passionate about harnessing the power of technology to transform businesses and streamline operations.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “One company for all your communications and collaboration needs.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “Voicelinx are experts in VOIP telecoms.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “Brand and Culture Videos is a Video Solution company.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “Since our inception Circle have been successfully delivering reliable and cost effective Unified Communications solutions to clients across a variety of sectors and specialisms.” Recorded in the RevenueBase company graph · Sep 13, 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 “unified communications platforms”. 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 21 of 59 unified communications platforms based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 846 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Unified communications platforms based in London, United Kingdom at a glance
As of Sep 13, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 15.0dCompany record updated
Median 79.0dHow 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 London, United Kingdom whose business descriptions match “unified communications platforms” 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 846 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 13, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “unified communications platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many unified communications platforms are there based in London, United Kingdom?
RevenueBase identified 59 company matches for unified communications platforms associated with London, 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?
GAMMA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United Kingdom has the most unified communications platforms?
London leads the United Kingdom with 52 company records, followed by Manchester (5) and Belfast (3).
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 846 professional contacts with verified work emails tracked across these 59 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 13, 2026.
Ready to reach these companies? Verified emails and direct dials for all 59 unified communications platforms based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
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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.
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Company intelligence · public preview
Top 21 unified communications platforms based in London, 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 59 matching company records for unified communications platforms based in London, United Kingdom, with 2,663 tracked contacts and 846 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 13, 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 21 unified communications platforms based in London, 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 |  GAMMAgammagroup.coHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,568 contacts → |
“Gamma Communications is a leading provider of technology-based communication solutions across Europe.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  NTT Ltd. Collaboration & CXservices.global.nttHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 120 contacts → |
“The Collaboration and CX solutions offered by NTT Ltd.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sipcomsipcom.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 86 contacts → |
“Sipcom exists to make you the hero of your business narrative by turning complexity into clarity.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  VIJUvijugroup.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 70 contacts → |
“On the 6th of February 2018, Viju and VisionsConnected officially terminated their previous company names, and created a new brand, Kinly We provide secure and flexible visual…” Recorded description excerpt · September 13, 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  SCB Global LTDscb-global.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 52 contacts → |
“SCB Global is a leading global provider of collaboration and communication solutions native inside Microsoft Teams, delivering workplace transformation for the dynamic workforce.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Microtalkmicrotalk.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 45 contacts → |
“Microtalk: Global Communications Made Simple For over 15 years, Microtalk has delivered reliable voice, messaging, and cloud communications to businesses worldwide.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  XINIXxinix.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 43 contacts → |
“Xinix is UK’s leading cloud-based unified communication provider making persistent efforts towards modernizing business communications.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Elisha Telecomelishatelecom.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Since 2006, Elisha Telecom has been at the forefront of innovation in the field of Unified Communications.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Indigo Forwardindigoforward.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Call, meet, view, & collaborate through a reliable service you can trust.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | AE Telco LTDaetelco.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 8 contacts → |
“AE Telco is a global leader in business communication solutions.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Portman Tech Solutions Limitedportmantech.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 7 contacts → |
“We are proud to be one of London's most engaging and professional IT and Unified Communications companies.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Purify Technology LTDpurify-tech.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Purify helps you make the right technology choices to increase productivity and create confident teams that reach their full potential.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Interact Technology LTDinteract-technology.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Interact Technology has extensive experience derived from over 20 years in providing business to business communications.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  APALOapalo.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“THE MOBILE FIRST COMMUNICATION PLATFORM WITH FMC & WebRTC Apalo takes smarter communications to the next level, combining a comprehensive set of collaboration tools and rich…” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  ZIAASziaas.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“At ZiAAS, we're passionate about harnessing the power of technology to transform businesses and streamline operations.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Orbex Solutionsorbex.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“One company for all your communications and collaboration needs.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Voicelinx LTDvoicelinx.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Voicelinx are experts in VOIP telecoms.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Brand And Culture Videosbrandculturevideos.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Brand and Culture Videos is a Video Solution company.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Circlecirclecomms.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Since our inception Circle have been successfully delivering reliable and cost effective Unified Communications solutions to clients across a variety of sectors and specialisms.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 59 company matches
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Unified communications platforms: dataset insights
September 13, 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
58 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 15.0dCompany record updated
Median 79.0dHow 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 13, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for unified communications platforms?
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 unified communications platforms did RevenueBase find based in London, United Kingdom?
The saved snapshot records 59 matching company records, 2,663 tracked contacts and 846 verified emails. The public preview displays 21 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 13, 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
Unified communications platforms by geography
- Unified communications platforms based in the United States
- Unified communications platforms based in the United Kingdom
- Unified communications platforms based in Canada
- Unified communications platforms based in Australia
- Unified communications platforms based in Brazil
- Unified communications platforms based in Germany
- Unified communications platforms based in the Netherlands
- Unified communications platforms based in France
- Unified communications platforms based in Mexico
- Unified communications platforms based in South Africa
- Unified communications platforms based in Italy
- Unified communications platforms based in India
Cite this list
RevenueBase Data Team. Top 21 unified communications platforms based in London, United Kingdom. Snapshot: September 13, 2026. https://revenuebase.ai/companies/unified-communications-platforms/united-kingdom/london.
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
- Unified communications platforms based in the United States
- Unified communications platforms based in the United Kingdom
- Unified communications platforms based in Canada
- Unified communications platforms based in Australia
- Unified communications platforms based in Brazil
- Unified communications platforms based in Germany
Company intelligence · public preview
Top 21 unified communications platforms based in London, United Kingdom
RevenueBase records 59 matching company records for unified communications platforms based in London, United Kingdom, with 2,663 tracked contacts and 846 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 13, 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 21 unified communications platforms based in London, 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 | GAMMAgammagroup.co HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,568 contacts → |
“Gamma Communications is a leading provider of technology-based communication solutions across Europe.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | NTT Ltd. Collaboration & CXservices.global.ntt HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 120 contacts → |
“The Collaboration and CX solutions offered by NTT Ltd.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sipcomsipcom.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 86 contacts → |
“Sipcom exists to make you the hero of your business narrative by turning complexity into clarity.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | VIJUvijugroup.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 70 contacts → |
“On the 6th of February 2018, Viju and VisionsConnected officially terminated their previous company names, and created a new brand, Kinly We provide secure and flexible visual…” Recorded description excerpt · September 13, 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | SCB Global LTDscb-global.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 52 contacts → |
“SCB Global is a leading global provider of collaboration and communication solutions native inside Microsoft Teams, delivering workplace transformation for the dynamic workforce.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Microtalkmicrotalk.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 45 contacts → |
“Microtalk: Global Communications Made Simple For over 15 years, Microtalk has delivered reliable voice, messaging, and cloud communications to businesses worldwide.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | XINIXxinix.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 43 contacts → |
“Xinix is UK’s leading cloud-based unified communication provider making persistent efforts towards modernizing business communications.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Elisha Telecomelishatelecom.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Since 2006, Elisha Telecom has been at the forefront of innovation in the field of Unified Communications.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Indigo Forwardindigoforward.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 9 contacts → |
“Call, meet, view, & collaborate through a reliable service you can trust.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | AE Telco LTDaetelco.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 8 contacts → |
“AE Telco is a global leader in business communication solutions.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Portman Tech Solutions Limitedportmantech.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 7 contacts → |
“We are proud to be one of London's most engaging and professional IT and Unified Communications companies.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Purify Technology LTDpurify-tech.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Purify helps you make the right technology choices to increase productivity and create confident teams that reach their full potential.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Interact Technology LTDinteract-technology.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 7 contacts → |
“Interact Technology has extensive experience derived from over 20 years in providing business to business communications.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | APALOapalo.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“THE MOBILE FIRST COMMUNICATION PLATFORM WITH FMC & WebRTC Apalo takes smarter communications to the next level, combining a comprehensive set of collaboration tools and rich…” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | ZIAASziaas.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“At ZiAAS, we're passionate about harnessing the power of technology to transform businesses and streamline operations.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Orbex Solutionsorbex.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“One company for all your communications and collaboration needs.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Voicelinx LTDvoicelinx.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“Voicelinx are experts in VOIP telecoms.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Brand And Culture Videosbrandculturevideos.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Brand and Culture Videos is a Video Solution company.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Circlecirclecomms.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Since our inception Circle have been successfully delivering reliable and cost effective Unified Communications solutions to clients across a variety of sectors and specialisms.” Recorded description excerpt · September 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 59 company matches
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Unified communications platforms: dataset insights
September 13, 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
58 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 15.0dCompany record updated
Median 79.0dHow 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 13, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for unified communications platforms?
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 unified communications platforms did RevenueBase find based in London, United Kingdom?
The saved snapshot records 59 matching company records, 2,663 tracked contacts and 846 verified emails. The public preview displays 21 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 13, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 21 unified communications platforms based in London, United Kingdom. Snapshot: September 13, 2026. https://revenuebase.ai/companies/unified-communications-platforms/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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