Company lists · Data refreshed November 2026

Top 25 Dark fiber providers based in Brazil

RevenueBase identified 369 company matches for dark fiber providers associated with Brazil as of November 2026 and tracks 6,556 professional contacts across them, including 355 with verified work emails. Sao Paulo is the largest hub.

This list covers company matches for dark fiber 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
369Companies
6,556Contacts tracked
355Verified emails
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The 25 largest dark fiber providers based in Brazil

Ranked by team size
Top 25 of 369 company matches for dark fiber 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 matchMauá, BrazilHQ recorded Nov 6, 2026501-1,000368 contacts →

Exact match

“A VIP TELECOM é uma marca que faz parte do Grupo Alloha Fibra, a maior empresa independente de fibra Óptica no Brasil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNova Friburgo, BrazilHQ recorded Nov 6, 2026201-500314 contacts →

Exact match

“Há 23 anos no mercado, somos a primeira empresa de Internet e Telecomunicações da Região Serrana do Rio de Janeiro e pioneira no uso de Fibra Óptica no Brasil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchJoao Pessoa, BrazilHQ recorded Nov 6, 2026201-500287 contacts →

Exact match

“Conectando pessoas desde 2004, a Tely é a maior empresa de telecomunicações do Nordeste.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchEusébio, BrazilHQ recorded Nov 6, 202651-200232 contacts →

Exact match

“A INFOLINK TELECOM é uma empresa especializada em produtos e serviços de comunicação e tecnologia, presente no mercado desde 2004 com DNA de servir com qualidade e excelência…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-200227 contacts →

Exact match

“LIGAR OS PONTOS.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchRecife, BrazilHQ recorded Nov 6, 20261,001-5,000227 contacts →

Exact match

“A Um Telecom é empresa de soluções em infraestrutura de TI e conectividade que possui mais de km de rede de fibra óptica e atende aos segmentos corporativo, setor público…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSão Paulo, BrazilHQ recorded Nov 6, 2026201-500196 contacts →

Exact match

“A FiBrasil é uma empresa especialista em rede neutra de fibra ótica, que nasceu com a missão de levar conectividade de alta qualidade para cada vez mais pessoas, atendendo…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchJacareí, BrazilHQ recorded Nov 6, 2026201-500158 contacts →

Exact match

“A VIVAS Telecom possui o objetivo de oferecer ao mercado de telecomunicações meios mais ágeis, seguros e eficientes, com soluções integradas, a fim de aproximar as distâncias…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAmpére, BrazilHQ recorded Nov 6, 2026501-1,000149 contacts →

Exact match

“Ampernet está à mais de 24 anos no mercado de internet, prestando serviços de qualidade para seus clientes em mais de 40 cidades.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDuartina, BrazilHQ recorded Nov 6, 202651-200135 contacts →

Exact match

“Somos uma empresa com + de 20 anos de experiência em conexões.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBrotas, BrazilHQ recorded Nov 6, 2026n/a82 contacts →

Exact match

“Xturbo é Fibra Ótima!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSantana De Parnaíba E Cajamar, BrazilHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“Nosso objetivo principal é oferecer aos moradores de Santana de Parnaíba, Cajamar e região, soluções de internet com excelência, utilizando a tecnologia de alta velocidade da…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBelém, BrazilHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“A Junto Telecom é uma das maiores empresas de infraestrutura de rede de backbone de fibra ótica da região Norte e Centro-Oeste, com uma cobertura de mais de 37 mil quilômetros…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSorriso, BrazilHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“A LCI Telecom esta há mais de 25 anos no mercado com um backbone com mais de Km de fibra ótica, o qual interliga o norte do MT a capital.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSimão Dias, BrazilHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Fundada em 2010, a Minas Telecom é uma operadora regional de telecomunicações de referência no mercado, conectando milhares de lares e empresas na região centro-sul de Sergipe e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSalto De Pirapora, BrazilHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Com 13 anos de atuação, somos o provedor de internet 100% fibra ótica que mais cresce na região de Sorocaba, atendendo Salto de Pirapora, Votorantim, Sorocaba, Araçoiaba da Serra…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCuritiba, BrazilHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“A Horizons Telecom é uma empresa de telecomunicações que oferece soluções e serviços em fibra ótica, sob medida, para empresas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchContagem, BrazilHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Fundada em Contagem - MG, a FIBINET nasceu com a missão de oferecer de forma acessível, uma conexão de internet rápida e com muita qualidade, através de um atendimento humanizado…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCuiabá, BrazilHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“Operadora de Internet Fibra Óptica de Turbo Velocidade- Banda Larga Residencial - Banda Larga Corporativo com IPfixo - Redes Corporativas LAN2LAN-MPLS-VPN - Interligação de Matriz…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSao Marcos, BrazilHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“A Brsulnet é uma provedora de internet banda larga, oferecendo ultra velocidade de acesso por meio da conexão via fibra óptica.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMatozinhos, BrazilHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“A Conectiva é uma empresa de telecomunicações especializada no fornecimento de internet banda larga via fibra óptica de alta performance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMatão, BrazilHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“A PROCESS TELECOM se deu por seu pioneirismo na implantação da rede FTTH (Fiber To The Home) Fibra até sua casa, na cidade de Matão, e por sua iniciativa ao impulsionar a inovação…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBrusque, BrazilHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“Somos especializados em oferecer conexão com ultra qualidade através de equipamentos de última geração e rede fibra óptica minuciosamente elaborada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSantarém, BrazilHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“Atuamos há mais de 21 anos como provedor de internet, fornecendo a melhor conectividade aos nossos clientes, visando um preço justo somado a um excelente serviço.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMontes Claros, BrazilHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“A Mell busca atender de forma inteligente um público cada vez mais exigente, para gerar felicidade e satisfação ao resolver a vida e necessidadesdas pessoas, criando experiências…”

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

Showing 25 of 369 dark fiber providers based in Brazil

See the full list, filter by size, metro and specialty, and access 355 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Dark fiber providers based in Brazil at a glance

As of Nov 6, 2026
5.4%Verified-email coverage
17.8Average contacts per company
11-50Median size (employees)
5.4%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
150
11-50
133
51-200
57
201-500
13
501-1,000
3
1,001-5,000
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 369 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 “dark fiber 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 355 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 “dark fiber providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many dark fiber providers are there based in Brazil?

RevenueBase identified 369 company matches for dark fiber 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?

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

Which city has the most dark fiber providers?

Sao Paulo leads with 20 company records, followed by Belo Horizonte (9) and Goiania (9).

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 355 professional contacts with verified work emails tracked across these 369 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.