Company lists · Data refreshed September 2026

Top 22 Enterprise telecom consulting firms based in Rio De Janeiro, Brazil

RevenueBase identified 87 enterprise telecom consulting firms headquartered in Rio De Janeiro, Brazil as of September 2026 and tracks 1,358 professional contacts across them, including 62 with verified work emails. Across Brazil, Sao Paulo is the largest hub for this category (357 companies); Rio De Janeiro follows with 87.

This list covers enterprise telecom consulting firms headquartered in Rio De Janeiro, 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 28, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
87Companies
1,358Contacts tracked
62Verified emails
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The 22 largest enterprise telecom consulting firms based in Rio De Janeiro, Brazil

Ranked by team size
Top 22 of 87 enterprise telecom consulting firms based in Rio De Janeiro, Brazil, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise telecom consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202651-20049 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202611-5027 contacts →

Indirect evidence

“Com sede no Rio de Janeiro, a empresa é especializada em consultoria, desenvolvimento de sistemas, infra-estrutura, conectividade, segurança digital e treinamento corporativo.”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202651-20027 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202611-5021 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceRio De Janeiro, BrazilHQ checked Sep 28, 20261-1017 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
6Partial evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202651-20017 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202611-5011 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
8Partial evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202611-509 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202611-508 contacts →

Indirect evidence

“Há mais de dez anos a Pacto vem solidificando-se como uma das principais empresas integradoras com matriz na cidade do Rio de Janeiro.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202611-506 contacts →

Indirect evidence

“A AZ Gestão e Desenvolvimento Empresarial é uma empresa com core business na prestação de serviços de consultoria, contemplando a concepção, o desenvolvimento, a expansão e a…”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 20261-106 contacts →

Indirect evidence

“Fundada em 2009 com sede no Rio de Janeiro (RJ), a Onbits Soluções em TI é uma empresa integradora de redes focada na prestação de serviços e venda de equipamentos, especializada…”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202611-505 contacts →

Indirect evidence

“4xpert IT is a company specializing in IP solutions.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

“A IP Secure foi fundada a partir da união de profissionais que atuam no mercado de IT há mais de 15 anos e vem especializando-se, nos últimos 10 anos na implantação de soluções…”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202611-504 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceRio De Janeiro, BrazilHQ checked Sep 28, 20261-104 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202611-503 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202611-502 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“Conte com profissionais capacitados e constantemente atualizados.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“Formada por profissionais com mais de 27 anos de experiência nas áreas de telefonia, computação e sistemas, a IPCOM oferece serviços, soluções e equipamentos, consolidando seu…”

Source: RevenueBase Database · checked Sep 28, 2026
21Partial evidenceRio De Janeiro, BrazilHQ checked Sep 28, 20261-101 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidenceRio De Janeiro, BrazilHQ checked Sep 28, 20261-101 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 22 of 87 enterprise telecom consulting firms based in Rio De Janeiro, Brazil

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Enterprise telecom consulting firms based in Rio De Janeiro, Brazil at a glance

As of Sep 28, 2026
4.6%Verified-email coverage
15.6Average contacts per company
1-10Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
49
11-50
31
51-200
5
201-500
1
1,001-5,000
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 87 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 enterprise telecom consulting firms, 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 Rio De Janeiro, Brazil whose own description of what they do matches “enterprise telecom consulting firms”. 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 enterprise telecom consulting firms), 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 enterprise telecom consulting firms, and records with no verified work email. Companies headquartered outside Rio De Janeiro 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, 62 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 28, 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.

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 enterprise telecom consulting firms, 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 enterprise telecom consulting firms are there based in Rio De Janeiro, Brazil?

RevenueBase identified 87 enterprise telecom consulting firms headquartered in Rio De Janeiro, 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?

Isdn Infra E Talentos EM TI, headquartered in Rio De Janeiro, tops this list with the largest team on record.

Which city in Brazil has the most enterprise telecom consulting firms?

Sao Paulo leads Brazil with 357 headquartered companies, followed by Rio De Janeiro (87) and Belo Horizonte (50).

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 62 verified decision-maker contacts tracked across these 87 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 28, 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.