Company lists · Data refreshed November 2026

Top 25 Voice communication platforms based in Brazil

RevenueBase identified 100 company matches for voice communication platforms associated with Brazil as of November 2026 and tracks 1,416 professional contacts across them, including 278 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for voice communication platforms 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 5, 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 5, 2026 How this list was built
100Companies
1,416Contacts tracked
278Verified emails
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The 25 largest voice communication platforms based in Brazil

Ranked by team size
Top 25 of 100 company matches for voice communication platforms based in Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchBrasília, BrazilHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
2Exact matchGuarapuava, BrazilHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
3Exact matchRio De Janeiro, BrazilHQ recorded Nov 5, 202611-5080 contacts →

Exact match

“O Atende Simples é uma solução completa em atendimento telefônico, com número nacional ou 0800.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchSao Paulo, BrazilHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
5Exact matchPetrópolis, BrazilHQ recorded Nov 5, 202651-20045 contacts →

Exact match

“RedT is a Rio de Janeiro based company commited to develop and deploy communication solutions mainly using VoIP solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchSão Paulo, BrazilHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
7Exact matchBoituva, BrazilHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
8Exact matchJuiz De Fora, BrazilHQ recorded Nov 5, 202651-20036 contacts →

Exact match

“A Nvoip é a plataforma de voz, chat e API.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchSao Paulo, BrazilHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
10Exact matchSanto Anastácio, BrazilHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
11Exact matchSão Paulo, BrazilHQ recorded Nov 5, 202651-20033 contacts →

Exact match

“A Tellfree é provedora de soluções de comunicações para o mercado corporativo.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchCuritiba, BrazilHQ recorded Nov 5, 202611-5029 contacts →

Exact match

“A tecnologia da informação marcou uma grande revolução na maneira com que as empresas atuam no mercado e realizam seus negócios.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchRecife, BrazilHQ recorded Nov 5, 202651-20028 contacts →

Exact match

“Há duas décadas, a Base Telco sustenta a infraestrutura crítica e a evolução da comunicação corporativa de líderes de mercado.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchCaxias Do Sul, BrazilHQ recorded Nov 5, 202611-5023 contacts →

Exact match

“A Native conta com produtos e serviços para telecomunicações, auxiliando empresas a se tornarem mais competitivas, alinhando a tecnologia com estratégias de crescimento.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchBelo Horizonte, BrazilHQ recorded Nov 5, 202611-5023 contacts →

Exact match

“Há mais de 20 anos, a VDS atua no mercado com soluções de UC (Comunicações Unificadas), Contact Center IP, SBC (Session Border Controller), Voz sobre IP com o máximo de…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchRibeirão Preto, BrazilHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“A Krolik, desde tem revolucionado a forma como empresas de todos os tamanhos se comunicam, integrando múltiplos canais como WhatsApp, redes sociais e e-mail em uma plataforma…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchPorto Alegre, BrazilHQ recorded Nov 5, 202611-5011 contacts →

Exact match

“Summit Networks is a provider of software and services that enable voice providers to deploy high performance and scalable voice Next Generation Intelligent Network over their IP…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchPorto Alegre, BrazilHQ recorded Nov 5, 202611-509 contacts →

Exact match

“Há mais de 25 anos a Phsul é um provedor de soluções em comunicação empresarial para pequenas, médias e grandes organizações, nos setores público e privado, oferecendo avançadas…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchSao Paulo, BrazilHQ recorded Nov 5, 202611-508 contacts →

Exact match

“Otimi is a VOIP company based in Brazil in the city of São Paulo that serves wholesale customers from all over the world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchCuritiba, BrazilHQ recorded Nov 5, 20261-108 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchVeranopolis, BrazilHQ recorded Nov 5, 202611-507 contacts →

Exact match

“A Smartel é uma empresa de comunicação completa, especialista em desenvolver projetos especiais para pequenas, médias e grandes empresas.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchPalhoça, BrazilHQ recorded Nov 5, 202611-506 contacts →

Exact match

“A Digital Vox é uma empresa especializada em soluções de comunicação empresarial com foco em telefonia VoIP.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchCuritiba, BrazilHQ recorded Nov 5, 202611-506 contacts →

Exact match

“Somos uma empresa que oferece telefonia em nuvem, como PABX Virtual e VoIP, nossa intenção e trazer uma comunicação excelete e que cabe no seu bolso.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchSaquarema, BrazilHQ recorded Nov 5, 20261-105 contacts →

Exact match

“Voltada ao desenvolvimento de soluções e Plataformas para Telefonia via Internet (VoIP).”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchFortaleza, BrazilHQ recorded Nov 5, 202611-505 contacts →

Exact match

“A N5 Tecnologia é uma empresa focada no segmento de tecnologia para comunicações entre usuários finais, seja utilizando voz, vídeo e/ou dados, onde a tecnologia é fornecida para o…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 100 voice communication platforms based in Brazil

See the full list, filter by size, metro and specialty, and access 278 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Voice communication platforms based in Brazil at a glance

As of Nov 5, 2026
19.6%Verified-email coverage
14.2Average contacts per company
11-50Median size (employees)
29.0%Largest-city concentration · Sao Paulo
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
41
11-50
42
51-200
16
201-500
1

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 100 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 “voice communication platforms” 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 278 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 5, 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.

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

How many voice communication platforms are there based in Brazil?

RevenueBase identified 100 company matches for voice communication platforms 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?

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

Which city has the most voice communication platforms?

Sao Paulo leads with 29 company records, followed by Curitiba (6) and Rio De Janeiro (4).

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 278 professional contacts with verified work emails tracked across these 100 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 5, 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.