Company lists · Data refreshed September 2026
Top 25 Telecom audit companies based in Brazil
RevenueBase identified 119 telecom audit companies headquartered in Brazil as of September 2026 and tracks 1,054 professional contacts across them, including 133 with verified work emails. Sao Paulo is the largest hub.
This list covers telecom audit companies headquartered in Brazil, 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 19, 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.
The 25 largest telecom audit companies based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 362 contacts → | ||||
Partial evidence “A MY Business é uma empresa prestadora de serviços para telecomunicações, que atua no segmento de engenharia celular e TI, especializada na avaliação de qualidade dos serviços…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 71 contacts → | ||||
Partial evidence “For over 35 years, Sumus has been building its story alongside some of the largest companies in Brazil, offering technology, intelligence, and trust to transform telecom cost…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 54 contacts → | ||||
Partial evidence “Ativu | Transformando custos e ativos de TI e Telecom em governança estratégica para grandes empresas A Ativu ajuda grandes empresas a transformar custos e ativos de TI e Telecom…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 39 contacts → | ||||
Partial evidence “K2A Partners is a Technology and Consulting firm focused in reducing and optimizing Telecom and IT costs.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 28 contacts → | ||||
Partial evidence “A Mobilit é uma empresa especializada na prestação de serviços de gestão e redução de despesas de telecomunicações, com atuação em todo o Brasil e América Latina e pioneira no…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 28 contacts → | ||||
Partial evidence “Outsoursing, Gestão, Contabilidade e consultoria em telecomunicações.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 26 contacts → | ||||
Partial evidence “The company ATIKS TEM, acts in Telecommunication Management, Consulting and Telecommunications Services Outsourcing, using the TEM concepts (Telecom Expense Management), offering…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 20 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 15 contacts → | ||||
Indirect evidence “Ajudamos centenas de empresas a Reduzir os Custos com Telefonia na mesma operadora e cuidamos dos Protocolos, Rateios e Relatórios.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 13 contacts → | ||||
Indirect evidence “A LIVRE ESCOLHA ASSESSORIA surgiu em 2012 e desde então atua na área de prestação de serviços de forma sistêmica e com exemplar transparência, totalmente independente e sem…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 12 contacts → | ||||
Indirect evidence “A WeAudit, fundada em 2011 por Tiago Hungria, é Integrante do Exceed Group e pioneira no mercado de Auditoria e Gestão Telefônica.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 10 contacts → | ||||
Partial evidence “Transformando a Gestão de Telecom no Brasil com a Alow!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 9 contacts → | ||||
Indirect evidence “A TerraVista Consultoria foi criada em setembro de 1998 com o objetivo de prestar serviços de consultoria em redes de computador.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 7 contacts → | ||||
Partial evidence “Com inicio dos trabalhos em Agosto de 2012 à SIN Telecom é um escritório de consultoria em telefonia fixa e móvel corporativo localizado em Limeira, interior de São Paulo.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 5 contacts → | ||||
Indirect evidence “Empresa de software e serviços, voltada a gestão de despesas corporativas e automação de pagamentos.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 contacts → | ||||
Partial evidence “A Trust Telecom é uma empresa de Consultoria em Gestão de serviços de Telecom que oferece aos clientes soluções integradas e inteligentes.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Indirect evidence “A In Voice passou a ser uma ferramenta tão necessária para as empresas quanto um ERP.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Indirect evidence “Especialistas em gestão com foco em redução das despesas em Telefonia Fixa, Móvel, Voip e Internet Empresarial Comercialização de planos e serviços de Telefonia Fixa, Móvel, Voip…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Partial evidence “A TACT é uma empresa de telecomunicação com sede em Canoas e Florianópolis, Brasil.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Partial evidence “Empresa de consultoria em Telecomunicações, nossos serviços- Consultoria de Adequação ou Success Fee: Nossa remuneração é apenas sobre economia gerada para sua empresa-…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Indirect evidence “Experiência, Confiança e Eficiência.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Partial evidence “A OnSet Telecom Empresa com mais de 11 anos atuando no mercado de serviços de Telecomunicações, a OnSet Telecom possui um amplo conhecimento técnico e regulatório garantindo…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Partial evidence “A Consulttel - Consultoria em telecomunicação, tem como objetivo baixar os custos de comunicação de sua empresa, na área de telefonia móvel, Fixo e Internet banda larga.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Partial evidence “Otimizamos a utilização dos serviços de telecomunicações, executando com ética, transparência e eficiência a prestação dos serviços aos nossos clientes.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
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 audit 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 audit companies.
- Partial evidence
- Its own public description names part of telecom audit companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecom audit 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 119 telecom audit companies based in Brazil
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Telecom audit companies based in Brazil at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Brazil, so it is reported there. Company counts and contact totals on this page are exact for Brazil, over 119 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 audit 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 Brazil whose own description of what they do matches “telecom audit 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 audit 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 audit companies, and records with no verified work email. Companies headquartered outside Brazil 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, 133 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 19, 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 audit companies by metro
- Telecom audit companies in Sao Paulo30
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 audit 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 audit companies are there based in Brazil?
RevenueBase identified 119 telecom audit companies headquartered in Brazil 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?
MY Business Ltda, headquartered in Barueri, tops this list with the largest team on record.
Which city has the most telecom audit companies?
Sao Paulo leads with 30 headquartered companies, followed by Campinas (6) and Rio De Janeiro (6).
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 133 verified decision-maker contacts tracked across these 119 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 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 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.
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