Company lists · Data refreshed September 2026

Top 15 Enterprise voice solutions companies based in Sao Paulo, Brazil

Name: Enterprise voice solutions companies based in Sao Paulo, Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 12, 2026 112 companies tracked

RevenueBase identified 112 company matches for enterprise voice solutions companies associated with Sao Paulo, Brazil as of September 2026 and tracks 2,198 professional contacts across them, including 386 with verified work emails and 29 with mobile numbers. Across Brazil, Sao Paulo is the largest hub for this category.

This list covers company matches for enterprise voice solutions companies associated with Sao Paulo, 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 12, 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 12, 2026 How this list was built

112Companies

2,198Contacts tracked

386Verified emails

29Mobile numbers

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The 15 largest enterprise voice solutions companies based in Sao Paulo, Brazil

Ranked by team size

Top 15 of 112 company matches for enterprise voice solutions companies based in Sao Paulo, Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 12, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Phonoway	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	201-500	136 contacts →
	Exact match “A PHONOWAY oferece soluções em tecnologia para Voz, Dados, Software, Serviços Gerenciados e Segurança Eletrônica, que integra uma equipe de Pré-Vendas e Engenharia preparada, que…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
2	Quality Technology	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	51-200	50 contacts →
	Exact match “A Quality Telecom é uma empresa voltada à área de integração para soluções ligadas a telecomunicações e tecnologia da Informação que desenvolve projetos para pequenas, médias e…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
3	Grupo Union Telecom	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	51-200	44 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 · Sep 12, 2026 · View company records in RevenueBase
4	Fale Paco	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	51-200	30 contacts →
	Exact match “A Fale Paco entrega para seus clientes uma experiência única de qualidade, inovação e economia.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
5	ARC Telecom	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	11-50	20 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
6	Agotec	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	11-50	18 contacts →
	Exact match “A Agotec é especializada em T.I e serviços de Telefonia Voip, oferecendo soluções adaptáveis para empresas de todos os tamanhos.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
7	Flex Business	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	11-50	15 contacts →
	Exact match “A Flex Telecom é uma empresa formada por profissionais da área de telecomunicações altamente capacitados e com vasta experiência neste mercado.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
8	Global OSI Brasil Telecomunicacoes E Conectividades	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	1-10	15 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
9	Ik1 Tecnologia	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	11-50	14 contacts →
	Exact match “Fundada em 2004, a iK1 é uma empresa especializada em soluções on demand de TI com ênfase em gerenciamento de processos - e telecomunicações para o mercado corporativo.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
10	Servstar Telecom E Network	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	1-10	6 contacts →
	Exact match “Somos especializados em soluções de comunicação para empresas.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
11	Voipconsult	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	1-10	6 contacts →
	Exact match “A VoIPConsult é uma empresa integradora de soluções e tecnologias para voz e dados.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
12	Across Comercio E Prestacao DE Servicos EM Telecomunicacoes	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	1-10	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
13	Tech INN Teleinformatica Ltda	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	11-50	4 contacts →
	Exact match “QUEM SOMOS A Tech Inn Teleinformática é uma integradora de soluções em telecomunicação que atua nos segmentos de telefonia, dados, rede de telefone / computador e Circuito fechado…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
14	Cosmos Comércio E Serviços DE Telecomunicações Ltda	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	1-10	4 contacts →
	Exact match “Tudo para que seus negócios possam expandir com qualidade na comunicação entre clientes, fornecedores, colaboradores e funcionários.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
15	Perceptiva Informática S S Ltda	Exact match	Sao Paulo, BrazilHQ recorded Sep 12, 2026	1-10	3 contacts →
	Exact match “Soluções em TI Virtualização de Servidores - Descubra os benefícios da virtualização de servidores.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “enterprise voice solutions companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 15 of 112 enterprise voice solutions companies based in Sao Paulo, Brazil

See the full list, filter by size, metro and specialty, and access 386 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Enterprise voice solutions companies based in Sao Paulo, Brazil at a glance

As of Sep 12, 2026

17.6%Verified-email coverage

1.3%Mobile-number coverage

19.6Average contacts per company

11-50Median size (employees)

Sep 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 14.0d

3260–30

5831–60

061–90

090–180

2180+

Company record updated

Median 80.0d

00–30

56931–60

1,24661–90

29590–180

88180+

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 Sao Paulo, Brazil whose business descriptions match “enterprise voice solutions companies” 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 386 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 12, 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 “enterprise voice solutions companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise voice solutions companies are there based in Sao Paulo, Brazil?

RevenueBase identified 112 company matches for enterprise voice solutions companies associated with Sao Paulo, 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?

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

Which city in Brazil has the most enterprise voice solutions companies?

Sao Paulo leads Brazil with 111 company records, followed by Rio De Janeiro (21) and Curitiba (19).

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 386 professional contacts with verified work emails tracked across these 112 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 12, 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.