Company lists · Data refreshed September 2026

Top 24 Telecom infrastructure software companies based in London, United Kingdom

Name: Telecom infrastructure software companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 13, 2026 119 companies tracked

RevenueBase identified 119 company matches for telecom infrastructure software companies associated with London, United Kingdom as of September 2026 and tracks 4,065 professional contacts across them, including 1,137 with verified work emails and 157 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for telecom infrastructure software companies 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 13, 2026 How this list was built

119Companies

4,065Contacts tracked

1,137Verified emails

157Mobile numbers

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The 24 largest telecom infrastructure software companies based in London, United Kingdom

Ranked by team size

Top 24 of 119 company matches for telecom infrastructure software companies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 13, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Helios Towers	Exact match	London, United KingdomHQ recorded Sep 13, 2026	501-1,000	784 contacts →
	Exact match “Helios Towers is a leading independent telecom tower company connecting people and powering growth across Africa and the Middle East.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
2	Cerillion Technologies	Exact match	London, United KingdomHQ recorded Sep 13, 2026	201-500	364 contacts →
	Exact match “Cerillion is a leading provider of BSS/OSS software for the telecommunications industry, with over 25 years’ experience supporting mobile, fixed, cable and multi-service operators…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
3	Omobiong	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	168 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 · Sep 13, 2026 · View company records in RevenueBase
4	Telesens	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	125 contacts →
	Exact match “Telesens is a global provider of enterprise level cost effective software products and solutions for telecom and other business domains.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
5	Programus LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	95 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 · Sep 13, 2026 · View company records in RevenueBase
6	Mobile Systems International Msiuk	Exact match	London, United KingdomHQ recorded Sep 13, 2026	201-500	89 contacts →
	Exact match “32 years of excellence in delivering consultancy, solutions, services and products in technology, telecommunications, platforms and regulatory.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
7	Speedflow	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	79 contacts →
	Exact match “With a broad experience in the industry, Speedflow is in the best position to provide you with products and services proven by time to be effective.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
8	Radiocoms Systems LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	57 contacts →
	Exact match “Radiocoms Systems Limited is a mature communications company of some 50 years and is now the UK’s leading independent communications supplier specialising in the design…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
9	Powerx Technology	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	46 contacts →
	Exact match “Tower networks are vast and complex systems.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
10	Spartified	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	21 contacts →
	Exact match “Spartified is a global telecommunications technology company that helps mobile network operators, MVNOs, and digital service providers transform complex network operations into…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
11	Jerasoft	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	18 contacts →
	Exact match “JeraSoft is a leading developer and integrator of full-featured Billing Software for modern Telecom Operators (VoIP) and IoT/M2M Providers.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
12	Carritech Limited	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	16 contacts →
	Exact match “Carritech is a telecommunications company which was founded in 2010 by a management team with over 30 years of experience in the carrier industry.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
13	Mobihive Labs Limited	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	15 contacts →
	Exact match “A hardcore IT Organisation, we have moved away from traditional office locations to ensure we are completely flexible and easily available to solve your problems as quickly as…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
14	A3&o Limited	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	14 contacts →
	Exact match “A3 & O, the leading telecommunication System Integrator and Solution Provider; The company provides state of the art technologies and turnkey solutions to its clients across the…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
15	Salestar	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	10 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 · Sep 13, 2026 · View company records in RevenueBase
16	Exfo Ontology	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	10 contacts →
	Exact match “EXFO Ontology is revolutionising how telecommunication network operators get to know their networks – and through this, their customers.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
17	Linx-Networks	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	9 contacts →
	Exact match “Linx-Networks: Driving Innovation in Trading & Telecom Solutions Linx-Networks is a leading technology and telecommunications provider headquartered in the City of London…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
18	Code Technology LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	8 contacts →
	Exact match “Code exists to challenge, rethink and refine the selection, procurement and support of mobile telecommunications services for business users.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
19	Kbtl Telecoms	Exact match	London, United KingdomHQ recorded Sep 13, 2026	11-50	8 contacts →
	Exact match “Established in 2006, KBTL specialises in Telecommunications Systems Delivery across the Rail, Power and General Transportation sectors.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
20	OEM Support Solutions	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	7 contacts →
	Exact match “Elevate Telecom Excellence with OEM Support Solutions Welcome to OEM Support Solutions, your global telecom support partner.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
21	Supportwizard	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	6 contacts →
	Exact match “SupportWizard is a Division of ClubWizard Ltd We are an IT and Telecoms company offering a personal in-house technical support service and enhanced telecom solutions for SME's.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
22	Dynamic Infrastructure	Exact match	London, United KingdomHQ recorded Sep 13, 2026	51-200	6 contacts →
	Exact match “Your trusted and reliable partner in the telecoms industry.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
23	Titan Civils LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	5 contacts →
	Exact match “What we do: Telecommunications builds: MicroCells, SmallCells, Meter boxes, Cabinets Pre Installation services: Trenching, Ducting, Manholes, Water, Sewerage Streetworks: Meter…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
24	JTD Associates LTD	Exact match	London, United KingdomHQ recorded Sep 13, 2026	1-10	4 contacts →
	Exact match “JTD Associates is a specialist, London based firm offering experience and expertise across the gamut of telecommunications infrastructure development.” 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 “telecom infrastructure software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 24 of 119 telecom infrastructure software companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 1,137 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom infrastructure software companies based in London, United Kingdom at a glance

As of Sep 13, 2026

28.0%Verified-email coverage

3.9%Mobile-number coverage

34.2Average contacts per company

11-50Median size (employees)

Sep 13, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 15.0d

8850–30

24531–60

161–90

090–180

6180+

Company record updated

Median 80.0d

00–30

1,23631–60

2,20061–90

47490–180

155180+

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 London, United Kingdom whose business descriptions match “telecom infrastructure software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 1,137 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 “telecom infrastructure software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom infrastructure software companies are there based in London, United Kingdom?

RevenueBase identified 119 company matches for telecom infrastructure software companies 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?

Helios Towers 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 telecom infrastructure software companies?

London leads the United Kingdom with 116 company records, followed by Birmingham (14) and Glasgow (11).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,137 professional contacts with verified work emails tracked across these 119 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.

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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.