Company lists · Data refreshed November 2026

Top 25 Business telephone system providers based in Brazil

RevenueBase identified 293 company matches for business telephone system providers associated with Brazil as of November 2026 and tracks 6,090 professional contacts across them, including 452 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for business telephone system 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
293Companies
6,090Contacts tracked
452Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest business telephone system providers based in Brazil

Ranked by team size
Top 25 of 293 company matches for business telephone system 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 matchTimbó, BrazilHQ recorded Nov 6, 20261,001-5,0001,962 contacts →

Exact match

“Somos uma empresa de telecomunicações com 28 anos de atuação.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact 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
4Exact 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
5Exact 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
6Exact matchMaringá, BrazilHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“RS Telecomunicaes is a telecommunications company based out of 265 TREVO DE CIANORTE - Parque Industrial, Maringá, Brazil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“A Lettel Cloud Enterprise é uma empresa que há 30 anos distribui, implanta e mantém tecnologias de voz e dados e está alinhada com as novas economias baseadas em serviço, de valor…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchBarueri, BrazilHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Começamos em 1981, fabricando produtos para rede externa (Red-ex).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPetrópolis, BrazilHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
11Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“A Telealpha Teleinformática, foi fundada em 1989, é uma opção na área de Telecomunicações, fornecendo e colocando a disposição do mercado, soluções completas de comunicação que…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchRibeirão Preto, BrazilHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“Produtos de última geração dos mais renomados fornecedores da área.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Empresa inovadora e 100% nacional, a Routerlink tem uma completa infraestrutura para oferecer ao mercado corporativo serviços e soluções como consultoria, manutenção, locação e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRondonópolis, BrazilHQ recorded Nov 6, 2026201-50029 contacts →

Exact match

“Interfibras Telecomunicações is a telecommunications company based out of R.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“A ADVANCE está entre as principais operadoras de Telecomunicações das Américas, promovemos a conectividade empresarial e sua integração, ofertando soluções completas e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLondrina, BrazilHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“A MX Soluções é uma empresa com foco em soluções de T.I nas áreas de Telecomunicação e dados.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCaxias Do Sul, BrazilHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
19Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchJoinville, BrazilHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“A TelVille é parceira VIVO EMPRESAS que tem por finalidade prestar atendimento personalizado a sua empresa, proporcionando soluções completas em telefonia sempre buscando a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“A tecnologia que aparece para o usuário depende de muita coisa que permanece invisível.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchVarginha, BrazilHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFeira De Santana, BrazilHQ recorded Nov 6, 20261-1018 contacts →

Exact match

“A Oktelecom é uma empresa especializada em soluções e serviços de telefonia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchJoinville, BrazilHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Fundada em 1989 na cidade de Joinville-SC com o nome Sigmafone, a Wonit é uma empresa de Telecom e TI genuinamente brasileira que iniciou suas atividades com foco na revenda e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCanoas, BrazilHQ recorded Nov 6, 20261-1016 contacts →

Exact match

“A Pontual Telecom é uma empresa de soluções em telecomunicações, voltada principalmente para a área de telefonia e internet em âmbito corporativo.”

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

Showing 25 of 293 business telephone system providers based in Brazil

See the full list, filter by size, metro and specialty, and access 452 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Business telephone system providers based in Brazil at a glance

As of Nov 6, 2026
7.4%Verified-email coverage
20.8Average contacts per company
11-50Median size (employees)
21.8%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
134
11-50
127
51-200
19
201-500
3
501-1,000
1
1,001-5,000
3
5,001-10,000
1
10001+
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 293 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 telephone system 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 452 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 telephone system 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 telephone system providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business telephone system providers are there based in Brazil?

RevenueBase identified 293 company matches for business telephone system 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?

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

Which city has the most business telephone system providers?

Sao Paulo leads with 64 company records, followed by Rio De Janeiro (18) and Belo Horizonte (14).

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 452 professional contacts with verified work emails tracked across these 293 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.

Ready to reach these companies? Verified emails and direct dials for all 293 business telephone system providers based in Brazil. Start with a free account, no credit card.

Download this list →

Related lists

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.