Company lists · Data refreshed November 2026

Top 25 Business communication providers based in Brazil

RevenueBase identified 318 company matches for business communication providers associated with Brazil as of November 2026 and tracks 7,509 professional contacts across them, including 1,570 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for business communication providers associated with 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 November 6, 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 Nov 6, 2026 How this list was built
318Companies
7,509Contacts tracked
1,570Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest business communication providers based in Brazil

Ranked by team size
Top 25 of 318 company matches for business communication providers based in Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchSão Paulo, BrazilHQ recorded Nov 6, 2026501-1,000916 contacts →

Exact match

“Com mais de 25 anos de experiência, a Mundivox é uma operadora licenciada pela Anatel, especializada em soluções integradas de comunicação para o mercado corporativo.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSão Paulo, BrazilHQ recorded Nov 6, 2026201-500335 contacts →

Exact match

“A IK Solution dispõe de diversas soluções inovadoras para seu negócio sair na frente.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchCuritiba, BrazilHQ recorded Nov 6, 202651-200237 contacts →

Exact match

“Somos Parceiro Platinum Vivo Empresas Fazemos parte de um seleto grupo de parceiros Vivo Empresas com melhor desempenho do Brasil, desde 2010 oferecendo os serviços e produtos que…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchGoias, BrazilHQ recorded Nov 6, 2026n/a185 contacts →

Exact match

“Somos especialistas em telecomunicações para empresas, contamos com atendimento diferenciado e exclusivo, respeitando e satisfazendo o perfil do cliente.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchManaus, BrazilHQ recorded Nov 6, 2026201-500163 contacts →

Exact match

“Há 14 anos no mercado em prestações de serviços em Banda Larga, TV por assinatura, cabeamento estruturado, Call Center, proporcionando em atender melhor os cliente garantindo…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBrasília, BrazilHQ recorded Nov 6, 202651-200151 contacts →

Exact match

“A A.Telecom é resultado das atualizações e mudanças no segmento de TI e telecomunicação.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchGuarapuava, BrazilHQ recorded Nov 6, 202651-200113 contacts →

Exact match

“We believe that technology and intelligence, combined, have the power to transform the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202611-5071 contacts →

Exact match

“Na Agil Telecom, trabalhamos para simplificar a comunicação das empresas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSão José Dos Campos, BrazilHQ recorded Nov 6, 2026201-50062 contacts →

Exact match

“A NipBr possui o objetivo de oferecer ao mercado corporativo meios de comunicação mais ágeis, seguros e eficientes, com soluções integradas, a fim de aproximar as distâncias entre…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAssis Chateaubriand, BrazilHQ recorded Nov 6, 202651-20059 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSete Lagoas, BrazilHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“A Link 7 Internet foi fundada em 2004, com o intuito de fornecer soluções de comunicação de dados, Internet Corporativa e acesso banda larga, desde então atua na comercialização…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCuritiba, BrazilHQ recorded Nov 6, 2026201-50049 contacts →

Exact match

“With offices in North and South America, and across Europe, Alhambra offers a global presence with localized solutions, support, and expertise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“O Grupo Union Telecom é referência em telecomunicações, oferecendo aos clientes e parceiros 20 anos de experiência, com profissionais capacitados, certificados e experientes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“A Voitel atua há mais de 20 anos no mercado e é pioneira em Telefonia IP.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBoituva, BrazilHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“BR Conecta started its activities in 2005 by bringing the VoIP telephony service to the interior of São Paulo, based in the city of Boituva.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCampinas, BrazilHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“A UC Technology é uma empresa com mais de 10 anos de experiência, com foco em tecnologia e Comunicação Unificada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSão Mateus, BrazilHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“A Zafex é referência em telecomunicações e inovação tecnológica, consolidando-se como líder em Telefonia e Internet na região de São Mateus e Guriri, além de oferecer Telefonia…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Empresa de Telecomunicações focada em soluções para o mercado corporativo de pequenas e médias empresas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSão Caetano Do Sul, BrazilHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“A AZTelecom se especializa a cada dia em fornecer soluções eficientes nas áreas de telecomunicações e prestação de serviços para total eficácia dos sistemas de comunicação…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSão José Do Rio Preto, BrazilHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Telebrasil Telecomunicações é um parceiro credenciado Vivo Empresas, atuando em São José do Rio Preto e região para oferecer produtos e serviços da operadora para empresas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“A Rodobens Comunicação Empresarial utiliza a tecnologia na comunicação e a favor das empresas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Transformamos conexões em experiências memoráveis!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“A Fale Paco entrega para seus clientes uma experiência única de qualidade, inovação e economia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSanto Anastácio, BrazilHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“A Phonevox Group é uma empresa de destaque no setor de telecomunicações, oferecendo uma ampla gama de produtos e soluções para melhorar o atendimento e a comunicação dos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 318 business communication providers based in Brazil

See the full list, filter by size, metro and specialty, and access 1,570 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Business communication providers based in Brazil at a glance

As of Nov 6, 2026
20.9%Verified-email coverage
23.6Average contacts per company
11-50Median size (employees)
25.8%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
131
11-50
136
51-200
32
201-500
9
501-1,000
3
1,001-5,000
2
5,001-10,000
1
10001+
2

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 318 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 Brazil whose business descriptions match “business communication 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 1,570 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 November 6, 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.

Business communication providers by metro

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 “business communication providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business communication providers are there based in Brazil?

RevenueBase identified 318 company matches for business communication providers associated with Brazil as of November 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?

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

Which city has the most business communication providers?

Sao Paulo leads with 82 company records, followed by Curitiba (16) and Rio De Janeiro (16).

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 1,570 professional contacts with verified work emails tracked across these 318 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 November 6, 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 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.