Company lists · Data refreshed September 2026

Top 25 Telecom infrastructure consulting firms based in the United Kingdom

RevenueBase identified 1,383 company matches for telecom infrastructure consulting firms associated with the United Kingdom as of September 2026 and tracks 20,601 professional contacts across them, including 7,156 with verified work emails. London is the largest hub.

This list covers company matches for telecom infrastructure consulting firms associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
1,383Companies
20,601Contacts tracked
7,156Verified emails
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The 25 largest telecom infrastructure consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 1,383 company matches for telecom infrastructure consulting firms based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchWembley, United KingdomHQ recorded Sep 29, 20261,001-5,0001,053 contacts →

Exact match

“Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 29, 2026501-1,000784 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 29, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 29, 2026201-500524 contacts →

Exact match

“Complex challenges.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchWarrington, United KingdomHQ recorded Sep 29, 2026501-1,000519 contacts →

Exact match

“WHP is one of the UK's leading suppliers of network infrastructure services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 29, 2026201-500459 contacts →

Exact match

“Analysys Mason is the leading specialist consultancy, creating lasting value in technology-intensive industries, including telecoms, digital infrastructure, software, IT services…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 29, 2026201-500453 contacts →

Exact match

“Redstone is now part of RedstoneConnect PLC.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchDerby, United KingdomHQ recorded Sep 29, 2026501-1,000367 contacts →

Exact match

“Comex is an established major strategic partner of choice within the telecommunication sector, across the United Kingdom and Ireland, offering an end to end solution.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 29, 2026201-500341 contacts →

Exact match

“Maintel is a communications managed services provider.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchStevenage, United KingdomHQ recorded Sep 29, 2026501-1,000339 contacts →

Exact match

“Morrison Telecom Services is focused on the design, build and maintenance of telecom infrastructure for key clients in the fixed telecom market.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchManchester, United KingdomHQ recorded Sep 29, 2026201-500312 contacts →

Exact match

“Clarke Telecom carries out every aspect of wireless telecoms network infrastructure delivery.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 29, 2026201-500302 contacts →

Exact match

“Cartesian is a specialist consulting firm focused on the global telecommunications, media, and technology industries and is now part of Bounteous, an AI services firm helping…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchMiddlesbrough, United KingdomHQ recorded Sep 29, 2026201-500275 contacts →

Exact match

“Map Group (UK) is one of the leading independent providers of professional technology services to the UK communications sector.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchSt Ives, United KingdomHQ recorded Sep 29, 2026201-500273 contacts →

Exact match

“Magdalene provides comprehensive independent solutions which address the individual needs of our customers throughout the Telecommunications Industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchEpsom, United KingdomHQ recorded Sep 29, 202651-200238 contacts →

Exact match

“Penta Consulting provides the people to power your most ambitious projects.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchManchester, United KingdomHQ recorded Sep 29, 2026201-500228 contacts →

Exact match

“Sudlows is a multi-award winning Critical Infrastructures, Enterprise Services and Facilities Management specialist which provides a full range of technical services for…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchCambridge, United KingdomHQ recorded Sep 29, 2026201-500223 contacts →

Exact match

“Founded in 1985, John Henry Group is a leading, national independent integrated services provider providing best in class expertise, enabling our partner clients to deliver…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchCoalisland, United KingdomHQ recorded Sep 29, 2026501-1,000158 contacts →

Exact match

“Viberoptix delivers frontline services to fibre networks providers across the UK and Ireland.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchBury, United KingdomHQ recorded Sep 29, 202651-200156 contacts →

Exact match

“Our expertise spans consultancy, sales, installation and maintenance services across the communication spectrum, from unified comms systems and hardware, CX solutions and cloud…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchTavistock, United KingdomHQ recorded Sep 29, 2026201-500151 contacts →

Exact match

“Beacon Comms is the trading name of Beacon Communication Services Ltd.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-200139 contacts →

Exact match

“Hamilton Barnes are an award-winning recruitment consultancy, here to help you secure the best talent and opportunities in the networking, telecommunications, data center and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-200134 contacts →

Exact match

“The networks of the future are here.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchSnitterfield, United KingdomHQ recorded Sep 29, 2026201-500134 contacts →

Exact match

“CASS (Cabling and Splicing Services) is a services driven telecommunications specialist business.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchPeterborough, United KingdomHQ recorded Sep 29, 2026501-1,000132 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 · Sep 29, 2026 · View company records in RevenueBase
24Exact matchChippenham, United KingdomHQ recorded Sep 29, 202651-200129 contacts →

Exact match

“Part of the Exponential-e Group, Vysiion provides innovative edge to core IT and telecommunications product and solutions, supported by an agile, proactive, and responsive…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchBraintree, United KingdomHQ recorded Sep 29, 202651-200123 contacts →

Exact match

“About Swann Engineering Group Founded in 1974, Swann Engineering Group specializes in delivering turnkey solutions for complex engineering challenges.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 1,383 telecom infrastructure consulting firms based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 7,156 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom infrastructure consulting firms based in the United Kingdom at a glance

As of Sep 29, 2026
34.7%Verified-email coverage
14.9Average contacts per company
1-10Median size (employees)
21.1%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
737
11-50
449
51-200
135
201-500
38
501-1,000
10
1,001-5,000
5
5,001-10,000
1
10001+
2

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 1,383 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 infrastructure consulting firms” 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 7,156 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

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 consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom infrastructure consulting firms are there based in the United Kingdom?

RevenueBase identified 1,383 company matches for telecom infrastructure consulting firms 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?

Kelly Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most telecom infrastructure consulting firms?

London leads with 292 company records, followed by Manchester (33) and Reading (22).

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 7,156 professional contacts with verified work emails tracked across these 1,383 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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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.