Company lists · Data refreshed September 2026

Top 21 Telecom managed services providers based in Rio De Janeiro, Brazil

RevenueBase identified 78 company matches for telecom managed services providers associated with Rio De Janeiro, Brazil as of September 2026 and tracks 9,649 professional contacts across them, including 187 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category (238 companies); Rio De Janeiro follows with 78.

This list covers company matches for telecom managed services providers associated with Rio De Janeiro, Brazil, 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
78Companies
9,649Contacts tracked
187Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 21 largest telecom managed services providers based in Rio De Janeiro, Brazil

Ranked by team size
Top 21 of 78 company matches for telecom managed services providers based in Rio De Janeiro, Brazil, 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 matchRio De Janeiro, BrazilHQ recorded Sep 19, 202610001+8,011 contacts →

Exact match

“A Serede é uma empresa prestadora de serviços de implantação e manutenção em redes de Telecom, fundada em 06 de agosto de 2007.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 202651-200377 contacts →

Exact match

“Smart internet and telephony solutions for you business.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 202651-20049 contacts →

Exact match

“The signature ISDN Infrastructure and TIC Talents underlines the long term vocation.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 202611-5032 contacts →

Exact match

“A Inovsat é uma empresa voltada para o desenvolvimento de projetos em Telecomunicações Via Satélite, com foco nos mercados offshore, de mineração e regiões de difícil acesso com…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 202651-20027 contacts →

Exact match

“Atuamos no mercado de Telecom com experiência de mais de 20 anos no setor, oferecemos soluções completas em voz, dados e imagem atendendo as necessidades de pequenas á grandes…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 202611-5021 contacts →

Exact match

“A ProviderOne Tecnologia é uma empresa especializada em Gerência de Redes para a área corporativa.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 20261-1017 contacts →

Exact match

“Somos uma empresa com ampla atuação no mercado e especializada nas melhores soluções de Telecomunicações.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 202651-20017 contacts →

Exact match

“Com larga experiência no desenvolvimento, implantação e gestão de projetos de telecomunicações, além de ótimo relacionamento com fornecedores de equipamentos e operadoras, a Link…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 202611-5011 contacts →

Exact match

“A J A&C Telecomunicações, nasceu da soma da experiência de seus representantes, em mais de 40 anos no setor de tecnologia em telecomunicações.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 202611-5010 contacts →

Exact match

“A TNB Telecom é uma empresa que desenvolve e aplica soluções de conectividade personalizadas para as necessidades de cada cliente.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 202611-509 contacts →

Exact match

“A Timaker Tecnologia da Informação é especializada em soluções de alta tecnologia em redes e infraestrutura de TI & Telecomunicações para o mercado corporativo.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 20261-106 contacts →

Exact match

“A Onlytel Telecom atua há a mais de 27 anos e, durante esse período, se tornou referência técnica para fornecedores, clientes e parceiros.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 20261-105 contacts →

Exact match

“UNISAT: uma empresa com 33 anos no mercado, vasto histórico de realizações para empresas do Brasil e do exterior, contando com profissionais especializados em uma ampla gama de…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 202611-504 contacts →

Exact match

“Uma infra-estrutura de redes e comunicações otimizada, que proporcione redução de custos e maximização de resultados, é mais do que uma simples necessidade.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 20261-104 contacts →

Exact match

“Sim, é possível receber um atendimento Telecom de qualidade.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 202611-503 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 202611-502 contacts →

Exact match

“Empresa de consultoria em Telecomunicações focada em conectividade de alta performance e suporte.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 20261-101 contacts →

Exact match

“Azimute Rj Telecomunicacoes E Infra-Estrutura is a telecommunications company based out of R Ferreira Pontes, 430, Bloco 03 Apt 801, Rio De Janeiro, Rj, Brazil.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 20261-101 contacts →

Exact match

“Excelência em Tecnologia da Informação Atuamos com excelência no mercado de tecnologia da informação e telecomunicação, Nas áreas empresarial e/ou residencial, sempre visando a…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 20261-101 contacts →

Exact match

“Empresa prestadora de serviços na área de TI e Telecomunicações, fundada no ano de 2005 na cidade de Saquarema e posteriormente transferida para a Cidade Maravilhosa.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 20261-101 contacts →

Exact match

“Empresa de atuação no setor de serviços em TI e Telecom, com soluções de infraestrutura, comunicação, suporte, manutenção, segurança e consultoria estratégica de atualização e…”

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

Showing 21 of 78 telecom managed services providers based in Rio De Janeiro, Brazil

See the full list, filter by size, metro and specialty, and access 187 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Telecom managed services providers based in Rio De Janeiro, Brazil at a glance

As of Sep 19, 2026
1.9%Verified-email coverage
123.7Average contacts per company
1-10Median size (employees)
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
40
11-50
30
51-200
5
201-500
1
1,001-5,000
1
10001+
1

Email recency for this list is measured across the whole Brazil list rather than for Rio De Janeiro, so it is reported there. Company counts and contact totals on this page are exact for Rio De Janeiro, over 78 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 Rio De Janeiro, Brazil whose business descriptions match “telecom managed services providers” 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 187 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 managed services providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom managed services providers are there based in Rio De Janeiro, Brazil?

RevenueBase identified 78 company matches for telecom managed services providers associated with Rio De Janeiro, Brazil 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?

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

Which city in Brazil has the most telecom managed services providers?

Sao Paulo leads Brazil with 238 company records, followed by Rio De Janeiro (78) and Belo Horizonte (56).

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 187 professional contacts with verified work emails tracked across these 78 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.

Ready to reach these companies? Verified emails and direct dials for all 78 telecom managed services providers based in Rio De Janeiro, Brazil. Start with a free account, no credit card.

Download this list →

Related lists

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.