Company lists · Data refreshed September 2026
Top 25 Telecom infrastructure services companies based in Brazil
RevenueBase identified 1,548 telecom infrastructure services companies headquartered in Brazil as of September 2026 and tracks 63,271 professional contacts across them, including 4,706 with verified work emails. Sao Paulo is the largest hub.
This list covers telecom infrastructure services 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 16, 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 infrastructure services companies based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 8,011 contacts → | ||||
Partial evidence “A Serede é uma empresa prestadora de serviços de implantação e manutenção em redes de Telecom, fundada em 06 de agosto de 2007.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,895 contacts → | ||||
Partial evidence “A Icomon atua há 37 anos com alta performance em tecnologia e telecomunicações.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,538 contacts → | ||||
Indirect evidence “Prazer, somos a Procisa do Brasil!” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,810 contacts → | ||||
Indirect evidence “A RCS é uma empresa de Engenharia especializada em oferecer serviços técnicos de missão crítica com alta tecnologia aplicada, para clientes que necessitam manter suas atividades…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,733 contacts → | ||||
Indirect evidence “Com mais de funcionários, a Ability Tecnologia e Serviços S.A.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,222 contacts → | ||||
Partial evidence “Somos uma operadora independente de telecomunicações, com sede na cidade de São Paulo/SP, que oferece serviços de internet de alta velocidade por fibra óptica, além de TV por…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 775 contacts → | ||||
Indirect evidence “Há mais de 25 anos, a Valenet leva conexão para empresas, lares e comunidades.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 603 contacts → | ||||
Indirect evidence “Fundada em 2008, a Engeselt atua no mercado com a finalidade de atender às demandas provenientes do setor elétrico, telefonia e tecnologia da informação, de forma responsável e…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 566 contacts → | ||||
Partial evidence “BR.Digital Telecom is a company with 25 years of experience in the metropolitan and long-distance networks market, supported by the most modern fiber optic transmission structures.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 522 contacts → | ||||
Partial evidence “Somos uma empresa líder em telecomunicações na região Centro-Oeste.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 478 contacts → | ||||
Indirect evidence “B.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 453 contacts → | ||||
Partial evidence “Grupo Viggo is a commercial representation and telecommunications company that offers technological solutions to end consumers.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 356 contacts → | ||||
Partial evidence “Desde 2005, buscamos sempre as melhores soluções em telecomunicações para pessoas e empresas.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 350 contacts → | ||||
Indirect evidence “A Orion, fundado há 30 anos, atua em diferentes segmentos de mercado, oferecendo soluções tecnológicas e serviços especializados de engenharia.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 319 contacts → | ||||
Indirect evidence “Radiante Engenharia, há mais de 30 anos, oferecendo a infraestrutura completa para operadoras e provedores.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 296 contacts → | ||||
Partial evidence “A Ageplan é uma construtora especializada na implementação de infraestrutura para telecomunicações, data centers e instalações industriais.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 290 contacts → | ||||
Partial evidence “Há 23 anos no mercado, somos a primeira empresa de Internet e Telecomunicações da Região Serrana do Rio de Janeiro e pioneira no uso de Fibra Óptica no Brasil.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 260 contacts → | ||||
Indirect evidence “A ITS Brasil é líder em provimento de acesso à internet no Estado da Bahia, com mais de 600km de Rede de Fibra DWDM.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 247 contacts → | ||||
Indirect evidence “O desenvolvimento da Betta Group está alicerçado na capacidade de se adaptar a diversos cenários empresariais, projetando infra-estruturas convergentes e elásticas, promovendo…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 245 contacts → | ||||
Indirect evidence “Começamos a escrever nossa história há 15 anos.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 240 contacts → | ||||
Partial evidence “A Algar Telecom, empresa do grupo Algar, possui um amplo portfólio com soluções de telecomunicações e tecnologia para atender clientes corporativos (B2B) e do varejo (B2C).” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 237 contacts → | ||||
Partial evidence “A Winity Telecom é a plataforma do Pátria Investimentos que atua como provedora de infraestrutura wireless, com ativos de redes de telefonia móvel, sistemas de cobertura indoor e…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 235 contacts → | ||||
Partial evidence “A Telium, criada em 2004 para atender exclusivamente o mercado B2B, atende os segmentos de Telecom e IDC com infraestrutura de padrão internacional, totalmente adequada e…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 225 contacts → | ||||
Partial evidence “A ALT - Acessoline Telecomunicações LTDA, parte do grupo Brasil Tecpar, é uma empresa dedicada a fornecer serviços de conectividade tanto para o mercado wholesale quanto para o…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 220 contacts → | ||||
Partial evidence “Empresa especializada em serviços de TI e Telecomunicações com foco em operações críticas e de valor estratégico.” Source: RevenueBase Database · checked Sep 16, 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 infrastructure services 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 infrastructure services companies.
- Partial evidence
- Its own public description names part of telecom infrastructure services companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecom infrastructure services 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 1,548 telecom infrastructure services companies based in Brazil
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Telecom infrastructure services companies based in Brazil at a glance
As of Sep 16, 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 1,548 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 infrastructure services 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 infrastructure services 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 infrastructure services 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 infrastructure services 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, 4,706 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 16, 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 infrastructure services companies by metro
- Telecom infrastructure services companies in Sao Paulo296
- Telecom infrastructure services companies in Rio De Janeiro108
- Telecom infrastructure services companies in Belo Horizonte66
- Telecom infrastructure services companies in Curitiba45
- Telecom infrastructure services companies in Brasilia30
- Telecom infrastructure services companies in Campinas29
- Telecom infrastructure services companies in Fortaleza28
- Telecom infrastructure services companies in Porto Alegre28
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 infrastructure services 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 infrastructure services companies are there based in Brazil?
RevenueBase identified 1,548 telecom infrastructure services 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?
Serede, headquartered in Rio De Janeiro, tops this list with the largest team on record.
Which city has the most telecom infrastructure services companies?
Sao Paulo leads with 296 headquartered companies, followed by Rio De Janeiro (108) and Belo Horizonte (66).
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 4,706 verified decision-maker contacts tracked across these 1,548 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 16, 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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