Company lists · Data refreshed September 2026

Top 25 Telecom consulting companies based in the United Kingdom

Name: Telecom consulting companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 559 companies tracked

RevenueBase identified 559 telecom consulting companies headquartered in the United Kingdom as of September 2026 and tracks 7,047 professional contacts across them, including 2,457 with verified work emails. London is the largest hub.

This list covers telecom consulting companies 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 21, 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 21, 2026 86% judged on-target in blind review

559Companies

7,047Contacts tracked

2,457Verified emails

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The 25 largest telecom consulting companies based in the United Kingdom

Ranked by team size

Top 25 of 559 telecom consulting companies based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to telecom consulting companies: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Kelly Group	Indirect evidence	Wembley, United KingdomHQ checked Sep 21, 2026	1,001-5,000	1,053 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 21, 2026
2	Analysys Mason	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	201-500	459 contacts →
	Partial evidence “Analysys Mason is the leading specialist consultancy, creating lasting value in technology-intensive industries, including telecoms, digital infrastructure, software, IT services…” Source: RevenueBase Database · checked Sep 21, 2026
3	Maintel	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	201-500	341 contacts →
	Indirect evidence “Maintel is a communications managed services provider.” Source: RevenueBase Database · checked Sep 21, 2026
4	Cartesian	Strong evidence	London, United KingdomHQ checked Sep 21, 2026	201-500	302 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 21, 2026
5	Magdalene	Partial evidence	St Ives, United KingdomHQ checked Sep 21, 2026	201-500	273 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 21, 2026
6	Penta Consulting	Partial evidence	Epsom, United KingdomHQ checked Sep 21, 2026	51-200	238 contacts →
	Partial evidence “Penta Consulting provides the people to power your most ambitious projects.” Source: RevenueBase Database · checked Sep 21, 2026
7	Beacon Comms	Indirect evidence	Tavistock, United KingdomHQ checked Sep 21, 2026	201-500	151 contacts →
	Indirect evidence “Beacon Comms is the trading name of Beacon Communication Services Ltd.” Source: RevenueBase Database · checked Sep 21, 2026
8	Genesis Technology Services Limited	Indirect evidence	Peterborough, United KingdomHQ checked Sep 21, 2026	501-1,000	132 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 21, 2026
9	Teligent Limited	Indirect evidence	Reading, United KingdomHQ checked Sep 21, 2026	51-200	99 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 21, 2026
10	Waldon Telecom	Partial evidence	West Byfleet, United KingdomHQ checked Sep 21, 2026	51-200	93 contacts →
	Partial evidence “Providing high quality, dedicated telecom infrastructure services to Operators across the country.” Source: RevenueBase Database · checked Sep 21, 2026
11	ICE Telecommunications Limited	Partial evidence	Crewe, United KingdomHQ checked Sep 21, 2026	51-200	89 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 21, 2026
12	Linbrooke Services LTD	Indirect evidence	Sheffield, United KingdomHQ checked Sep 21, 2026	201-500	89 contacts →
	Indirect 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 21, 2026
13	Mobile Systems International Msiuk	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	201-500	89 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 21, 2026
14	Novo Technologies Limited	Indirect evidence	Irvine, United KingdomHQ checked Sep 21, 2026	51-200	79 contacts →
	Indirect 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 21, 2026
15	Rydal Group	Indirect evidence	Peterborough, United KingdomHQ checked Sep 21, 2026	51-200	74 contacts →
	Indirect evidence “Rydal Group is the brand name of Rydal Communications LTD, Rydal Security LTD & Rydal Energy LTD.” Source: RevenueBase Database · checked Sep 21, 2026
16	Excalibur Communications	Partial evidence	Swindon, United KingdomHQ checked Sep 21, 2026	51-200	72 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 21, 2026
17	Abzorb	Indirect evidence	Brighouse, United KingdomHQ checked Sep 21, 2026	51-200	60 contacts →
	Indirect evidence “Business: It’s all about connecting people.” Source: RevenueBase Database · checked Sep 21, 2026
18	MMX	Indirect evidence	Solihull, United KingdomHQ checked Sep 21, 2026	51-200	54 contacts →
	Indirect evidence “Here at MMX (part of the TXO group), we're experts in providing communication network design, build & support services.” Source: RevenueBase Database · checked Sep 21, 2026
19	Business Advantage	Strong evidence	Petts Wood, United KingdomHQ checked Sep 21, 2026	11-50	48 contacts →
	Strong evidence “Business Advantage is a B2B research, business development and marketing consulting practice operating in the global IT, Digital and Telecommunications sectors.” Source: RevenueBase Database · checked Sep 21, 2026
20	STL Partners	Indirect evidence	22 Highbury Grove, United KingdomHQ checked Sep 21, 2026	11-50	39 contacts →
	Indirect evidence “STL Partners helps telcos and their partners innovate, grow and stay ahead of the competition.” Source: RevenueBase Database · checked Sep 21, 2026
21	Lloyds Ventures	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	37 contacts →
	Partial evidence “Lloyds Ventures is the India entity to Lloyds UK, set up to expand its outreach globally in the telecom sector.” Source: RevenueBase Database · checked Sep 21, 2026
22	Delteq LTD	Partial evidence	Epsom, United KingdomHQ checked Sep 21, 2026	51-200	34 contacts →
	Partial evidence “DELTEQ Ltd is a leading company in the telecommunications and infrastructure industry.” Source: RevenueBase Database · checked Sep 21, 2026
23	The Network Collective	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	11-50	32 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
24	Technology Solutions2 LTD	Partial evidence	Leamington Spa, United KingdomHQ checked Sep 21, 2026	11-50	30 contacts →
	Partial evidence “Technology Solutions² is a specialist Telecom and EV Infrastructure Design Consultancy with over 9 years of industry experience delivering high-quality engineering and design…” Source: RevenueBase Database · checked Sep 21, 2026
25	4ms Network Solutions	Partial evidence	Aberdeen, United KingdomHQ checked Sep 21, 2026	51-200	29 contacts →
	Partial evidence “4MS specialise in networking, cyber-security and telecoms technical services.” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telecom consulting companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names telecom consulting companies.
Partial evidence: Its own public description names part of telecom consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecom consulting companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 559 telecom consulting companies based in the United Kingdom

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Telecom consulting companies based in the United Kingdom at a glance

As of Sep 21, 2026

34.9%Verified-email coverage

12.6Average contacts per company

1-10Median size (employees)

25.0%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

327

11-50

170

51-200

201-500

501-1,000

1,001-5,000

10001+

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 559 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 consulting companies, 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 consulting companies”. 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 consulting companies), 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 consulting companies, 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, 2,457 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 21, 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 consulting companies by metro

Telecom consulting companies in London140

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 consulting companies, 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 consulting companies are there based in the United Kingdom?

RevenueBase identified 559 telecom consulting companies 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 consulting companies?

London leads with 140 headquartered companies, followed by Manchester (11) and Reading (11).

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 2,457 verified decision-maker contacts tracked across these 559 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 21, 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.