Company lists · Data refreshed November 2026

Top 25 Telecom bill auditing companies worldwide

RevenueBase identified 371 company matches for telecom bill auditing companies worldwide as of November 2026 and tracks 2,094 professional contacts across them, including 451 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for telecom bill auditing companies worldwide, 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 November 6, 2026. Country and city lists for telecom bill auditing companies follow the table.

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 Nov 6, 2026 How this list was built
371Companies
2,094Contacts tracked
451Verified emails
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The 25 largest telecom bill auditing companies worldwide

Ranked by team size
Top 25 of 371 company matches for telecom bill auditing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchSan Antonio, TX, United StatesHQ recorded Nov 6, 202651-200154 contacts →

Exact match

“For over 25 years, Billing Services Group has focused on payment solutions that maximize the value of the local telephone bill.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWestlake, OH, United StatesHQ recorded Nov 6, 202651-200118 contacts →

Exact match

“Over 20 years ago, SpyGlass began with a vision of using the power of analysis for universal technology and communications savings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLyon, FranceHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Araxxe is a French company founded in 2005.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWest Long Branch, NJ, United StatesHQ recorded Nov 6, 2026n/a66 contacts →

Exact match

“The Abadi Group is expert at uncovering waste and overcharges, as well as reducing overall voice and data costs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSouthampton, NY, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“UtiliSave has recovered $700M+ in verified utility billing overcharges since 1991.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSão José Dos Campos, BrazilHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“A Coach Telecom atua na área de Telecom, redução de custos, gestão de contratos e auditoria entre as operadoras de telefonia móvel e fixa, sendo Agente Autorizado Claro Empresas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDover, PA, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“LegalBillReview.com identifies and corrects billing errors and non-compliant charges on outside counsel bills for corporate legal departments, using a team of US-based licensed…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchWestlake, OH, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Rooted in family values, we specialize in tailoring freight bill auditing and payment solutions to meet the unique needs of each client.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“We are a privately-held company with a long history (since 1974) of continued growth, expansion, and evolution as we add the services and expertise our clients need to be…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“There are two kinds of TEM providers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchGlenelg, MD, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“We are audit experts in both the enterprise and carrier wholesale markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBarueri, BrazilHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“K2A Partners is a Technology and Consulting firm focused in reducing and optimizing Telecom and IT costs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-20021 contacts →

Exact match

“A Seta é uma empresa especialista em Gestão e Redução de Custos de telecomunicações, criada por um grupo de sócios com mais de 20 anos de experiência no mercado de Telecom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBuffalo, NY, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Headquartered in Buffalo, N.Y, Troy & Banks helps clients recover refunds for billing errors that may have happened in the past and make sure that those errors do not reoccur in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMatthews, NC, United StatesHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Founded in 2004, Charlotte, North Carolina-based Profit Advisory Group offers comprehensive telecom expense management throughout the life cycle of all telecom services and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchUnited StatesHQ recorded Nov 6, 202611-5020 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchGreenwood, IN, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Telecommunications providers often overcharge and under-deliver.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMalvern, PA, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Prelude Solutions is a technology consulting firm helping organizations optimize their communication platforms while uncovering cost savings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPetoskey, MI, United StatesHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Tenurgy is a Michigan-based telecom and utility expense management firm with the ability to audit nationwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchUnited StatesHQ recorded Nov 6, 20261-1014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“Spendly helps finance and operations teams reduce costs on operating expenses like SaaS, shipping, and telecom - without changing vendors or disrupting the business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAraras, BrazilHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Ajudamos centenas de empresas a Reduzir os Custos com Telefonia na mesma operadora e cuidamos dos Protocolos, Rateios e Relatórios.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchChino, CA, United StatesHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“SolveForce is a consultancy and auditing firm that specializes in telecommunications services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCuiabá, BrazilHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Transformando a Gestão de Telecom no Brasil com a Alow!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGardner, KS, United StatesHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“PROVIDING TELECOM HEALTH CHECK-UP'S" IntegrityCSI provides performance-based, self-funded, vendor-neutral telecom expense reduction services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 371 telecom bill auditing companies worldwide

See the full list, filter by size, metro and specialty, and access 451 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom bill auditing companies worldwide at a glance

As of Nov 6, 2026
21.5%Verified-email coverage
5.6Average contacts per company
1-10Median size (employees)
3.8%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
252
11-50
100
51-200
14
201-500
2

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for telecom bill auditing companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “telecom bill auditing 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. 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 451 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 November 6, 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.

Telecom bill auditing companies by location

2 lists · largest first

Every Telecom bill auditing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 bill auditing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom bill auditing companies are there worldwide?

RevenueBase identified 371 company matches for telecom bill auditing companies worldwide as of November 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?

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

Which country has the most telecom bill auditing companies?

The United States leads with 155 companies, followed by Brazil (48). Every telecom bill auditing companies list by country and city is linked on this page.

Which city has the most telecom bill auditing companies?

Sao Paulo leads with 14 company records, followed by Buenos Aires (4) and Dallas (4).

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 451 professional contacts with verified work emails tracked across these 371 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 November 6, 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.