Company lists · Data refreshed September 2026

Top 25 Telecom network consulting firms based in the United Kingdom

RevenueBase identified 835 telecom network consulting firms headquartered in the United Kingdom as of September 2026 and tracks 12,122 professional contacts across them, including 4,161 with verified work emails. London is the largest hub.

This list covers telecom network consulting firms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
835Companies
12,122Contacts tracked
4,161Verified emails
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The 25 largest telecom network consulting firms based in the United Kingdom

Ranked by team size
Top 25 of 835 telecom network consulting firms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to telecom network consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceWembley, United KingdomHQ checked Sep 29, 20261,001-5,0001,053 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
2Partial evidenceWarrington, United KingdomHQ checked Sep 29, 2026501-1,000519 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
3Indirect evidenceLondon, United KingdomHQ checked Sep 29, 2026501-1,000401 contacts →

Indirect evidence

“We believe successful businesses are underpinned by quality IT infrastructure.”

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceLondon, United KingdomHQ checked Sep 29, 2026201-500341 contacts →

Indirect evidence

“Maintel is a communications managed services provider.”

Source: RevenueBase Database · checked Sep 29, 2026
5Strong evidenceManchester, United KingdomHQ checked Sep 29, 2026201-500312 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
6Strong evidenceLondon, United KingdomHQ checked Sep 29, 2026201-500302 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceMiddlesbrough, United KingdomHQ checked Sep 29, 2026201-500275 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidenceSt Ives, United KingdomHQ checked Sep 29, 2026201-500273 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
9Partial evidenceEpsom, United KingdomHQ checked Sep 29, 202651-200238 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceTavistock, United KingdomHQ checked Sep 29, 2026201-500151 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
11Strong evidenceLondon, United KingdomHQ checked Sep 29, 202651-200139 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidencePeterborough, United KingdomHQ checked Sep 29, 2026501-1,000132 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
13Partial evidenceChippenham, United KingdomHQ checked Sep 29, 202651-200129 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202651-200120 contacts →

Indirect evidence

“OpticoreIT is an IT Consultancy founded in 2013 to bridge a gap in the market between the major IT services providers and the consultancy market.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceReading, United KingdomHQ checked Sep 29, 202651-20099 contacts →

Indirect evidence

“With operations that span the United Kingdom, Teligent Limited is a dynamic infrastructure delivery and management consultancy servicing the biggest names in the UK…”

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidenceWest Byfleet, United KingdomHQ checked Sep 29, 202651-20093 contacts →

Partial evidence

“Providing high quality, dedicated telecom infrastructure services to Operators across the country.”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceCrewe, United KingdomHQ checked Sep 29, 202651-20089 contacts →

Partial evidence

“Ice Comms are an independent consultant which specialise in mobile, traditional landline, hosted, and broadband business telecommunication solutions.”

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidenceSheffield, United KingdomHQ checked Sep 29, 2026201-50089 contacts →

Partial evidence

“We connect people, technologies and locations, enabling service providers, OEM's and internet service providers to deploy, scale, support and maintain network infrastructure…”

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceLondon, United KingdomHQ checked Sep 29, 2026201-50089 contacts →

Partial evidence

“32 years of excellence in delivering consultancy, solutions, services and products in technology, telecommunications, platforms and regulatory.”

Source: RevenueBase Database · checked Sep 29, 2026
20Partial evidenceIrvine, United KingdomHQ checked Sep 29, 202651-20079 contacts →

Partial evidence

“Providing World-class Communication Network and Security Infrastructure Solutions Novo Technologies is dedicated to projects excellence, Novo Technologies undertakes end to end…”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceHorsham, United KingdomHQ checked Sep 29, 202651-20078 contacts →

Indirect evidence

“Metricell is on a mission to deliver connectivity.”

Source: RevenueBase Database · checked Sep 29, 2026
22Partial evidenceNelson, United KingdomHQ checked Sep 29, 2026201-50076 contacts →

Partial evidence

“ISG Tech is a market-leading provider of services for the design, deployment and management of enterprise network connectivity with over 35 years of experience.”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceReading, United KingdomHQ checked Sep 29, 202651-20074 contacts →

Indirect evidence

“Installation Technology has over thirty years of experience in providing technical solutions in advanced communication systems.”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceSwindon, United KingdomHQ checked Sep 29, 202651-20072 contacts →

Partial evidence

“Excalibur provides an end to end business consulting service that offers reliable insight, and expertise in communications and technology.”

Source: RevenueBase Database · checked Sep 29, 2026
25Partial evidenceLondon, United KingdomHQ checked Sep 29, 202611-5068 contacts →

Partial evidence

“Sytel Reply is the Reply Company focused on Networks and Security.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 835 telecom network consulting firms based in the United Kingdom

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

As of Sep 29, 2026
34.3%Verified-email coverage
14.5Average contacts per company
1-10Median size (employees)
23.2%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
449
11-50
267
51-200
85
201-500
21
501-1,000
6
1,001-5,000
2
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 835 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecom network consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “telecom network consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecom network consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among telecom network consulting firms, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 4,161 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Telecom network consulting firms by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telecom network consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 835 telecom network consulting firms headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Kelly Group, headquartered in Wembley, tops this list with the largest team on record.

Which city has the most telecom network consulting firms?

London leads with 194 headquartered companies, followed by Reading (22) and Manchester (19).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,161 verified decision-maker contacts tracked across these 835 companies.

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 Smart Search, 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.