Company lists · Data refreshed November 2026

Top 25 Telecom service delivery software vendors based in the United Kingdom

RevenueBase identified 66 company matches for telecom service delivery software vendors associated with the United Kingdom as of November 2026 and tracks 1,141 professional contacts across them, including 292 with verified work emails. London is the largest hub.

This list covers company matches for telecom service delivery software vendors 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 November 5, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
66Companies
1,141Contacts tracked
292Verified emails
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The 25 largest telecom service delivery software vendors based in the United Kingdom

Ranked by team size
Top 25 of 66 company matches for telecom service delivery software vendors based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPeterborough, United KingdomHQ recorded Nov 5, 2026501-1,000123 contacts →

Exact match

“Genesis Technology Services Limited (GTS Ltd) is a leading engineering service provider in the UK and a global multinational corporation, based in Cambridgeshire, UK.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBelfast, United KingdomHQ recorded Nov 5, 202651-200103 contacts →

Exact match

“Barclay Communications is the leading provider of business mobile, landline and digital solutions, supporting small, medium and large organisations across the UK.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20086 contacts →

Exact match

“Omobio (Pvt) Ltd was established in February 2011 by a team of Professional Telecom Software Developers, tendering it’s service to Telecom Operators and Telecom Service…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchNewbury, United KingdomHQ recorded Nov 5, 202611-5055 contacts →

Exact match

“We propel telecoms to innovate fearlessly for the last 30 years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20055 contacts →

Exact match

“Programus Limited boast over 15 years of experience developing the world's leading software for the Telecom and Events and Venues industries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchCaterham, United KingdomHQ recorded Nov 5, 202611-5041 contacts →

Exact match

“Tekton Billing develops software that helps service providers simplify, automate and scale.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSouthampton, United KingdomHQ recorded Nov 5, 202651-20029 contacts →

Exact match

“We Are CORTEX are global leaders in advanced automation and orchestration.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchRedditch, United KingdomHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“Eminencetel is an established and growing business who create and facilitate telecommunication and information technology infrastructure solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchNewmarket, United KingdomHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“Frame Communications Ltd supplies a wide range of Telecoms Datacoms Test and Management solutions to Network Operators, Equipment Manufacturers, System Integrators, Field Support…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchMargaretting, United KingdomHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“We are a UK-based development company specialising in data capture and communication software solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchBolton, United KingdomHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“At ClearTech Communications, we specialise in providing market-leading hardware, advanced systems, and intuitive software to build a robust and resilient communication…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchWarrington, United KingdomHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“NetEngage has over 30 years' experience in deploying global, telco-grade, real-time solutions and value-added services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20010 contacts →

Exact match

“With over 20 years of experience, salestar continues to lead the way in delivering software solutions specifically designed for the telecom, mobile phone, and cellular industries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchBristol, United KingdomHQ recorded Nov 5, 20261-108 contacts →

Exact match

“LAYERED TECHNOLOGIES LIMITED is an information technology and services company based out of 70 PRINCE STREET, BRISTOL, United Kingdom.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchGuernsey, United KingdomHQ recorded Nov 5, 202611-508 contacts →

Exact match

“Exos Systems helps telecom operators move from systems of record to systems of outcome.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchWhitstable, United KingdomHQ recorded Nov 5, 202611-508 contacts →

Exact match

“In today’s increasingly complex Networks, IT infrastructure and Services, business critical operations cannot rely on Human Intelligence alone.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchIngham, United KingdomHQ recorded Nov 5, 202611-507 contacts →

Exact match

“Ocean Telecom has grown to become one of the leading providers of communications products and telecom services in East Anglia.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-107 contacts →

Exact match

“OEM Support Solutions is an independent multivendor telecom support company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchSevenoaks, United KingdomHQ recorded Nov 5, 20261-106 contacts →

Exact match

“Tariffmatch is a UK-based specialist in intelligence-driven tariff analysis and projection systems for telecoms providers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 5, 20261-104 contacts →

Exact match

“GLOBILITY LIMITED is a software company focusing on communications.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchChatham, United KingdomHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Connect-it is a leading telecommunications provider with clients operating in most industry sectors nationwide, from schools, solicitors & motor dealerships to call centres.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchCanterbury, United KingdomHQ recorded Nov 5, 202611-503 contacts →

Exact match

“A truly independent company we deliver tailored & innovative billing and operation software solutions to telecoms & ICT resellers.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchLeeds, United KingdomHQ recorded Nov 5, 202611-503 contacts →

Exact match

“UK based ICC Networks provides outstanding telco Software as a Service for Internet Telephone Service providers throughout Europe and beyond.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchRochdale, United KingdomHQ recorded Nov 5, 20261-103 contacts →

Exact match

“At TechSmart we are experts in Broadband automation products and services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchStocks Bridge Way St Ives, United KingdomHQ recorded Nov 5, 2026201-5002 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 66 telecom service delivery software vendors based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 292 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom service delivery software vendors based in the United Kingdom at a glance

As of Nov 5, 2026
25.6%Verified-email coverage
17.3Average contacts per company
11-50Median size (employees)
25.8%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
21
11-50
24
51-200
15
201-500
4
501-1,000
1

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 66 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “telecom service delivery software vendors” 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 292 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 November 5, 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 “telecom service delivery software vendors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom service delivery software vendors are there based in the United Kingdom?

RevenueBase identified 66 company matches for telecom service delivery software vendors associated with the United Kingdom as of November 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?

Genesis Technology Services Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most telecom service delivery software vendors?

London leads with 17 company records, followed by Fareham (3) and Bristol (2).

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 292 professional contacts with verified work emails tracked across these 66 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 November 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 66 telecom service delivery software vendors based in the United Kingdom. Start with a free account, no credit card.

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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.