Company lists · Data refreshed September 2026

Top 15 Telecom audit companies based in the United Kingdom

RevenueBase identified 33 company matches for telecom audit companies associated with the United Kingdom as of September 2026 and tracks 260 professional contacts across them, including 121 with verified work emails. London is the largest hub.

This list covers company matches for telecom audit companies 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 19, 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 19, 2026 How this list was built
33Companies
260Contacts tracked
121Verified emails
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The 15 largest telecom audit companies based in the United Kingdom

Ranked by team size
Top 15 of 33 company matches for telecom audit companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchLondon, United KingdomHQ recorded Sep 19, 202611-5055 contacts →

Exact match

“FirmDecisions, member of the Ebiquity Group Plc, is the largest independent global marketing auditor.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchAndover, United KingdomHQ recorded Sep 19, 202651-20041 contacts →

Exact match

“Lynx-UK is a telecommunications engineering and network asset management company.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchNewbury, United KingdomHQ recorded Sep 19, 202611-5028 contacts →

Exact match

“Construction Site Services Ltd (CSS Ltd) prides itself on quality, integrity and performance to deliver bespoke solutions to the ever-changing needs of our clients both new and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchAshton Under Lyne, United KingdomHQ recorded Sep 19, 202611-5013 contacts →

Exact match

“We are an independent, non biased Telecoms Analytics and Management company.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchBarnstaple, United KingdomHQ recorded Sep 19, 202611-5012 contacts →

Exact match

“BluGem provide independent test solutions to telecommunication companies for roaming, network service, billing, regulatory compliance and fraud detection.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchDalgety Bay, United KingdomHQ recorded Sep 19, 202611-5012 contacts →

Exact match

“Founded in 1996, we began with a clear mission: bring transparency and control to complex telecoms spend.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchReading, United KingdomHQ recorded Sep 19, 20261-107 contacts →

Exact match

“Founded in 2021, Frednel is a specialist consultancy serving the telecommunications sector, offering expertise in Cost Management, Commercial Contract Management, and Project…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchCaterham, United KingdomHQ recorded Sep 19, 202611-507 contacts →

Exact match

“Temis Systems Ltd are a UK based Telecom Expense Management (TEM) outsourced service provider.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchGreat Bookham, United KingdomHQ recorded Sep 19, 20261-107 contacts →

Exact match

“We’re a dedicated managed service provider located in Bookham, Surrey, that helps to support customers, ensuring their business is secure, compliant and running efficiently.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchLivingston, United KingdomHQ recorded Sep 19, 202611-504 contacts →

Exact match

“We provide analysis, advisory and purchasing services for Telecom and IT functions.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchMedia City Uk, United KingdomHQ recorded Sep 19, 20261-102 contacts →

Exact match

“Quantum Audit was formed in 2017 by a group of Cost Recovery specialists with over 60 years combined analytical experience.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchBoroughbridge, United KingdomHQ recorded Sep 19, 20261-102 contacts →

Exact match

“TGE Solutions is dedicated to saving schools money as the UK’s leading Audit and Procurement provider to the Education sector, specialising in Telecoms, ICT and Broadband.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchGreat Shelford, United KingdomHQ recorded Sep 19, 202651-2002 contacts →

Exact match

“Acquired by Cambridge Management Consulting in MAR 2026.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchWare, United KingdomHQ recorded Sep 19, 20261-101 contacts →

Exact match

“Telecoms Management - Eliminate billing errors - Source better tariffs - Cut your spend on calls and networks Go hosted - Move to low cost, maintenance-free telecoms - Enjoy the…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchWirral, United KingdomHQ recorded Sep 19, 20261-101 contacts →

Exact match

“JL Business Mobiles are specialists in ensuring your business mobile phone package is fit for purpose.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 15 of 33 telecom audit companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 121 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom audit companies based in the United Kingdom at a glance

As of Sep 19, 2026
46.5%Verified-email coverage
7.9Average contacts per company
11-50Median size (employees)
24.2%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
16
11-50
15
51-200
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 33 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 audit 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 121 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 19, 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 audit companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom audit companies are there based in the United Kingdom?

RevenueBase identified 33 company matches for telecom audit companies 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?

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

Which city has the most telecom audit companies?

London leads with 8 company records, followed by Ashton Under Lyne (2) and Andover (1).

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 121 professional contacts with verified work emails tracked across these 33 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 19, 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.