Company lists · Data refreshed August 2026

Top 25 Cloud pbx companies based in Brazil

Name: Cloud pbx companies based in Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Aug 31, 2026 150 companies tracked

RevenueBase identified 150 cloud pbx companies headquartered in Brazil as of August 2026 and tracks 1,996 professional contacts across them, including 385 with verified work emails and 24 with mobile numbers. Sao Paulo is the largest hub.

This list covers cloud pbx 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 August 31, 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 RevenueBase Smart Search rating on every row Refreshed Aug 31, 2026 86% judged on-target in blind review

150Companies

1,996Contacts tracked

385Verified emails

24Mobile numbers

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The 25 largest cloud pbx companies based in Brazil

Ranked by team size

Top 25 of 150 cloud pbx companies based in Brazil, ranked by team size, largest first. Data refreshed Aug 31, 2026. RevenueBase Smart Search rates how each company's information relates to cloud pbx companies: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Central 24 Horas	Indirect evidence	Aracaju, Brazil	201-500	280 contacts →
	Indirect evidence “Call / Contact Center Comunicações Unificadas & Colaboração Infraestrutura em TIC Painel Indicador de Performance - informações em tempo real 24x7 para sua gestão Call /Call /…” Source: RevenueBase Database · checked Aug 31, 2026
2	Telium Networks	Indirect evidence	Porto Alegre, Brazil	201-500	232 contacts →
	Indirect 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 Aug 31, 2026
3	3c Plus	Indirect evidence	Guarapuava, Brazil	51-200	127 contacts →
	Indirect evidence “We believe that technology and intelligence, combined, have the power to transform the world.” Source: RevenueBase Database · checked Aug 31, 2026
4	Baldussi Telecom	Indirect evidence	Curitiba, Brazil	51-200	72 contacts →
	Indirect evidence “Sua empresa perde ligações, atendimentos e oportunidades sem saber.” Source: RevenueBase Database · checked Aug 31, 2026
5	Agil Telecom	Indirect evidence	Sao Paulo Sp, Brazil	11-50	59 contacts →
	Indirect evidence “Na Agil Telecom, trabalhamos para simplificar a comunicação das empresas.” Source: RevenueBase Database · checked Aug 31, 2026
6	UC Technology	Indirect evidence	Campinas, Brazil	11-50	54 contacts →
	Indirect evidence “Na UC Technology, conectamos empresas ao futuro por meio de soluções completas em PABX em nuvem, CRM omnichannel, Contact Center e hardwares profissionais de comunicação.” Source: RevenueBase Database · checked Aug 31, 2026
7	Grupo Union Telecom	Indirect evidence	Sao Paulo, Brazil	51-200	45 contacts →
	Indirect evidence “O Grupo Union Telecom é referência em telecomunicações, oferecendo aos clientes e parceiros 20 anos de experiência, com profissionais capacitados, certificados e experientes.” Source: RevenueBase Database · checked Aug 31, 2026
8	Redt Telecom	Indirect evidence	Petropolis, Brazil	51-200	41 contacts →
	Indirect evidence “RedT is a Rio de Janeiro based company commited to develop and deploy communication solutions mainly using VoIP solutions.” Source: RevenueBase Database · checked Aug 31, 2026
9	IUNGO	Indirect evidence	Santo Andre, Brazil	51-200	38 contacts →
	Indirect evidence “Somos a maior operadora de Pabx em nuvem do Brasil.” Source: RevenueBase Database · checked Aug 31, 2026
10	Voitel Soluções DE Comunicação	Indirect evidence	Sao Paulo, Brazil	11-50	37 contacts →
	Indirect evidence “A Voitel atua há mais de 20 anos no mercado e é pioneira em Telefonia IP.” Source: RevenueBase Database · checked Aug 31, 2026
11	BR Conecta	Indirect evidence	Boituva, Brazil	51-200	36 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Aug 31, 2026
12	Tellfree Brasil Telefonia IP S.A	Indirect evidence	Sao Paulo, Brazil	51-200	32 contacts →
	Indirect evidence “A Tellfree é provedora de soluções de comunicações para o mercado corporativo.” Source: RevenueBase Database · checked Aug 31, 2026
13	Fale Paco	Indirect evidence	Sao Paulo, Brazil	51-200	28 contacts →
	Indirect evidence “A Fale Paco entrega para seus clientes uma experiência única de qualidade, inovação e economia.” Source: RevenueBase Database · checked Aug 31, 2026
14	United World Telecom	Partial evidence	Sao Paulo, Brazil	11-50	26 contacts →
	Partial evidence “United World Telecom is a global cloud telephony provider delivering enterprise-grade voice solutions in over 160 countries.” Source: RevenueBase Database · checked Aug 31, 2026
15	Base Telco	Indirect evidence	Sao Paulo, Brazil	51-200	26 contacts →
	Indirect evidence “Tradicionalmente, as empresas adquiriram e implantaram sua própria infra-estrutura de comunicações, no entanto, a economia mudou em favor de um modelo de provedor de serviços.” Source: RevenueBase Database · checked Aug 31, 2026
16	Phonevox Group	Indirect evidence	Santo Anastacio, Brazil	51-200	26 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Aug 31, 2026
17	Flexus Soluções	Strong evidence	Sao Paulo, Brazil	11-50	22 contacts →
	Strong evidence “Com mais de 20 anos de atuação, a Flexus oferece em seu portfólio diversos serviços em telecomunicações: telefonia fixa digital, PBX cloud, virtualização, licenciamento Microsoft…” Source: RevenueBase Database · checked Aug 31, 2026
18	ARC Telecom	Indirect evidence	Sao Paulo, Brazil	11-50	20 contacts →
	Indirect evidence “Há 28 anos ajudando empresas a melhorar suas comunicações Criamos a ARC Telecom em 1995 inicialmente com o foco de ofertar serviços e soluções customizadas em telecomunicações…” Source: RevenueBase Database · checked Aug 31, 2026
19	Inovacomm Comunicações Unificadas	Indirect evidence	Rio, Brazil	11-50	18 contacts →
	Indirect evidence “Especializada em soluções de comunicação e colaboração para empresas.” Source: RevenueBase Database · checked Aug 31, 2026
20	Agotec	Indirect evidence	Sao Paulo, Brazil	11-50	18 contacts →
	Indirect evidence “A Agotec é especializada em T.I e serviços de Telefonia Voip, oferecendo soluções adaptáveis para empresas de todos os tamanhos.” Source: RevenueBase Database · checked Aug 31, 2026
21	Stel Tecnologia	Indirect evidence	Varginha, Brazil	11-50	13 contacts →
	Indirect evidence “Desde 1990, a STEL Tecnologia tem sido referência em comunicação corporativa e infraestrutura de redes no Sul de Minas, unindo tradição, inovação e excelência técnica.” Source: RevenueBase Database · checked Aug 31, 2026
22	Smartel Inteligência EM Conectividade	Indirect evidence	Veranopolis, Brazil	11-50	9 contacts →
	Indirect evidence “A Smartel é uma empresa de comunicação completa, especialista em desenvolver projetos especiais para pequenas, médias e grandes empresas.” Source: RevenueBase Database · checked Aug 31, 2026
23	PCM Soluções	Indirect evidence	Goiania, Brazil	11-50	9 contacts →
	Indirect evidence “Há 10 anos no mercado com clientes em todo o Brasil, nós da PCM Soluções buscamos trazer excelência e qualidade em todos os nossos produtos e serviços.” Source: RevenueBase Database · checked Aug 31, 2026
24	MBX Pabx EM Nuvem	Indirect evidence	Cascavel, Brazil	11-50	7 contacts →
	Indirect evidence “Vem ser um parceiro MBX!” Source: RevenueBase Database · checked Aug 31, 2026
25	Digital VOX Telecom	Indirect evidence	Palhoca, Brazil	11-50	7 contacts →
	Indirect evidence “A Digital Vox é uma empresa especializada em soluções de comunicação empresarial com foco em telefonia VoIP.” Source: RevenueBase Database · checked Aug 31, 2026

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: cloud pbx 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 cloud pbx companies.
Partial evidence: Its own public description names part of cloud pbx companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name cloud pbx 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 150 cloud pbx companies based in Brazil

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Cloud pbx companies based in Brazil at a glance

As of Aug 31, 2026

19.3%Verified-email coverage

1.2%Mobile-number coverage

13.3Average contacts per company

11-50Median size (employees)

33.3%Largest-city concentration · Sao Paulo

Aug 31, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 cloud pbx 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 “cloud pbx 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 cloud pbx 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 cloud pbx 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, 385 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 August 31, 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.

Cloud pbx companies by metro

Cloud pbx companies in Sao Paulo50

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 cloud pbx 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 cloud pbx companies are there based in Brazil?

RevenueBase identified 150 cloud pbx companies headquartered in Brazil as of August 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?

Central 24 Horas, headquartered in Aracaju, tops this list with the largest team on record.

Which city has the most cloud pbx companies?

Sao Paulo leads with 50 headquartered companies, followed by Curitiba (8) and Belo Horizonte (7).

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 385 verified decision-maker contacts tracked across these 150 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on August 31, 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.