Company lists · Data refreshed November 2026

Top 25 Phone system implementation companies based in Brazil

RevenueBase identified 150 company matches for phone system implementation companies associated with Brazil as of November 2026 and tracks 1,365 professional contacts across them, including 162 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for phone system implementation companies 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
150Companies
1,365Contacts tracked
162Verified emails
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The 25 largest phone system implementation companies based in Brazil

Ranked by team size
Top 25 of 150 company matches for phone system implementation companies 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 matchOsasco, BrazilHQ recorded Nov 6, 2026201-500286 contacts →

Exact match

“A Handphone Telecomunicações é uma indústria, fabricante de equipamentos para Telecomunicações, tais como sistemas PABX de pequeno, médio e grande porte, sistemas Call Center's…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact 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
4Exact matchFlorianopolis, BrazilHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“We develop state-of-the-art technology for corporate telephony and security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“A Mundo Telecom é uma Integradora e Operadora de Telecomunicações fundada em 2005, que iniciou suas operações prestando serviços de consultoria, projetos, implantação e manutenção…”

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

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchSorocaba, BrazilHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Empresa especializada em implementações de plataformas de telecomunicações e projetos para Call Center.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact 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
10Exact 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
11Exact 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
12Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 20261-1015 contacts →

Exact match

“Somos uma empresa com ampla atuação no mercado e especializada nas melhores soluções de Telecomunicações.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGuarulhos, BrazilHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“A RFTecnologia é uma empresa idealizada para oferecer soluções de TI e Telecomunicações para empresas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“A Top Services Telecomunicações foi criada no ano com o propósito de oferecer os melhores serviços em telecomunicações do mercado.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSão José Dos Campos, BrazilHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Provedor de soluções de telecomunicações e TI para pequenas, médias e grandes empresas.* Soluções de Telefonia IP, Comunicações Unificadas (UC), Software`s de Call Center, IVR…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
17Exact matchBotelhos, BrazilHQ recorded Nov 6, 20261-108 contacts →

Exact match

“A Easytec Brasil é uma empresa de tecnologia que atua no mercado de tecnologia, transformando a telefonia das empresas em uma experiencia inovadora.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPasso Fundo, BrazilHQ recorded Nov 6, 20261-108 contacts →

Exact match

“FinTi Tecnologia is a telecommunications company based out of Av.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCuritiba, BrazilHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Temos sistemas de comunicação para sua empresa, Centrais Telefônicas IP com comunicação Unificada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchVeranopolis, BrazilHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
21Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Somos especializados em soluções de comunicação para empresas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchRecife, BrazilHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Com mais de 17 anos de expertise, a LCI Soluções se destaca como uma empresa altamente especializada em consultoria, projetos, implantação e integração de sistemas de telefonia…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLauro De Freitas, BrazilHQ recorded Nov 6, 202611-506 contacts →

Exact match

“A JCR Tecnologia é uma empresa fundada em 2001 com foco na integração de diversas tecnologias de TI relacionadas à área de infra-estrutura tecnológica, incluindo, porém não…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCampinas, BrazilHQ recorded Nov 6, 202611-506 contacts →

Exact match

“A Adtech Telecom é uma empresa integradora de soluções de comunicação de Voz e Dados.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchFortaleza, BrazilHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase

Showing 25 of 150 phone system implementation companies based in Brazil

See the full list, filter by size, metro and specialty, and access 162 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Phone system implementation companies based in Brazil at a glance

As of Nov 6, 2026
11.9%Verified-email coverage
9.1Average contacts per company
1-10Median size (employees)
19.3%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
76
11-50
65
51-200
7
201-500
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 150 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 “phone system implementation 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 162 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.

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 “phone system implementation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many phone system implementation companies are there based in Brazil?

RevenueBase identified 150 company matches for phone system implementation companies 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?

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

Which city has the most phone system implementation companies?

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

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 162 professional contacts with verified work emails tracked across these 150 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.