Company lists · Data refreshed September 2026
Top 25 Telecom cost management companies based in Brazil
RevenueBase identified 200 telecom cost management companies headquartered in Brazil as of September 2026 and tracks 1,325 professional contacts across them, including 169 with verified work emails. Sao Paulo is the largest hub.
This list covers telecom cost management 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 cost management companies based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 71 contacts → | ||||
Strong 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. | |||||
| 2 | 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. | |||||
| 3 | 39 contacts → | ||||
Strong 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. | |||||
| 4 | 33 contacts → | ||||
Indirect evidence “Ajudamos empresas a reduzir custos em sua telefonia, além de atender melhor seus clientes e fazer a gestão total de toda comunicação da empresa, independente de estar presencial…” 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 → | ||||
Strong 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 | 23 contacts → | ||||
Partial evidence “A Native conta com produtos e serviços para telecomunicações, auxiliando empresas a se tornarem mais competitivas, alinhando a tecnologia com estratégias de crescimento.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | 14 contacts → | ||||
Partial evidence “Somos especializados em estratégias de gerenciamento em Telecom para contratos B2B.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 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. | |||||
| 13 | 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. | |||||
| 14 | 12 contacts → | ||||
Indirect evidence “Somos especialistas na gestão, controle, auditoria e redução de custos para empresas.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 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. | |||||
| 16 | 9 contacts → | ||||
Partial evidence “A MG8 trabalha com o objetivo de otimizar o setor de telecomunicações de empresas de médio e grande porte, visando a redução dos custos e melhoria dos processos de comunicação.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Indirect evidence “Empresa de Telefonia especializada em soluções personalizadas para sua empresa, atendimento personalizado do começo ao fim da contratação.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 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. | |||||
| 19 | 6 contacts → | ||||
Indirect evidence “A istmo foi fundada em 1996 para atender ao mercado corporativo com serviços consultivos inicialmente em redes locais e corporativas.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 contacts → | ||||
Partial evidence “Presentes no mercado de Gestão de Telecomunicações há mais de 15 anos, oferecemos à nossos clientes soluções que visam reduzir os custos e otimizar recursos de telefonia e…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 contacts → | ||||
Indirect evidence “Somos especialistas em Soluções Customizadas para Redução entre 25% e 35% de Custos no segmento corporativo de Telefonia, Internet e Energia Elétrica.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 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. | |||||
| 23 | 5 contacts → | ||||
Indirect evidence “Percebendo que as operadoras não davam a devida atenção aos seus clientes após a venda, fazendo com que os mesmos ficassem dependendo do atendimento precário das centrais das…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 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. | |||||
| 25 | 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. | |||||
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 cost management 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 cost management companies.
- Partial evidence
- Its own public description names part of telecom cost management companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecom cost management 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 200 telecom cost management companies based in Brazil
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Telecom cost management 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 200 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 cost management 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 cost management 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 cost management 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 cost management 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, 169 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 cost management companies by metro
- Telecom cost management companies in Sao Paulo49
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 cost management 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 cost management companies are there based in Brazil?
RevenueBase identified 200 telecom cost management 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?
SUMUS, headquartered in Sao Paulo, tops this list with the largest team on record.
Which city has the most telecom cost management companies?
Sao Paulo leads with 49 headquartered companies, followed by Rio De Janeiro (13) and Campinas (10).
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 169 verified decision-maker contacts tracked across these 200 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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