Company lists · Data refreshed September 2026
Top 25 Fiber optic network installers based in Brazil
RevenueBase identified 709 fiber optic network installers headquartered in Brazil as of September 2026 and tracks 30,922 professional contacts across them, including 1,314 with verified work emails. Sao Paulo is the largest hub.
This list covers fiber optic network installers 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 September 20, 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.
The 25 largest fiber optic network installers based in Brazil
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 8,011 contacts → | ||||
Indirect evidence “A Serede é uma empresa prestadora de serviços de implantação e manutenção em redes de Telecom, fundada em 06 de agosto de 2007.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,354 contacts → | ||||
Indirect evidence “A Desktop é uma empresa de telecomunicação comprometida em conectar você ao futuro com velocidade, estabilidade e inovação!” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 361 contacts → | ||||
Indirect evidence “A VIP TELECOM é uma marca que faz parte do Grupo Alloha Fibra, a maior empresa independente de fibra Óptica no Brasil.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 290 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 266 contacts → | ||||
Indirect evidence “Conectando pessoas desde 2004, a Tely é a maior empresa de telecomunicações do Nordeste.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 245 contacts → | ||||
Indirect evidence “Começamos a escrever nossa história há 15 anos.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 243 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 218 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 217 contacts → | ||||
Indirect evidence “A ELO Telecomunicações e Construções Ltda é uma empresa especializada na prestação de serviços de transmissão nos seus mais variados campos.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 207 contacts → | ||||
Indirect evidence “LIGAR OS PONTOS.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 201 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 186 contacts → | ||||
Indirect evidence “Linko is a company that was born with the purpose of providing the bases for the growth of internet providers.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 136 contacts → | ||||
Indirect evidence “Ampernet está à mais de 24 anos no mercado de internet, prestando serviços de qualidade para seus clientes em mais de 40 cidades.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 135 contacts → | ||||
Indirect evidence “Somos uma empresa com + de 20 anos de experiência em conexões.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 114 contacts → | ||||
Indirect evidence “Por mais de 14 anos, sabemos da responsabilidade que é fazer parte da vida de milhares de pessoas.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 99 contacts → | ||||
Indirect evidence “Coelho Tecnologia, empresa especializada em Projetos de Telecomunicações, Infra-estrutura de Cabeamento, Fibra-Ótica, Radio Enlace, Redes, Switch, Roteadores, Asterisk, MikroTik…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 95 contacts → | ||||
Indirect evidence “Acesse Comunicacao is a telecommunications company based out of R Fioravante Padula, 300, Apt: 02, Espera Feliz, Minas Gerais, Brazil.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 90 contacts → | ||||
Indirect evidence “A G6 é uma operadora de telecomunicações especializada em soluções de comunicação de dados em alta velocidade.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 81 contacts → | ||||
Indirect evidence “VMAX Telecomunicações do Brasil é uma empresa que esta situada em Itatiba no Estado de São Paulo, oferecendo um portifólio repleto de soluções em Telecomunicações para os mercados…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 80 contacts → | ||||
Indirect evidence “A Concept é uma empresa nascida da experiência adquirida por seus profissionais ao longo dos últimos 15 anos no mercado das telecomunicações, e tem como intuito fornecer produtos…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 80 contacts → | ||||
Indirect evidence “Na Fibersul, conectamos tecnologia, inovação e performance para transformar projetos em soluções de alto padrão.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 77 contacts → | ||||
Indirect evidence “Fundada em 2015 por profissionais com mais de 15 anos de experiência na fabricação de fios e cabos, a WEC Fios e Cabos Especiais chega ao mercado como uma opção para aqueles que…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 76 contacts → | ||||
Partial evidence “A FonNet Networks é uma extensão da Precision Optical Technologies, Inc no Brasil, uma das maiores fabricantes de tecnologia de redes ópticas do mundo.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 68 contacts → | ||||
Indirect evidence “A LinQ Telecom, fundada em 2016, é referência em qualidade e inovação no mercado de telecomunicações, com mais de 4.300 km de fibra óptica que atendem Goiânia, Aparecida de…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 57 contacts → | ||||
Indirect evidence “Componentes para instalação de redes ópticas - Fibra Óptica e Acessórios.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
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: fiber optic network installers. 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 fiber optic network installers.
- Partial evidence
- Its own public description names part of fiber optic network installers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name fiber optic network installers. 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 709 fiber optic network installers based in Brazil
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Fiber optic network installers based in Brazil at a glance
As of Sep 20, 2026Companies by employee count
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 709 companies.
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 fiber optic network installers, 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 “fiber optic network installers”. 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 fiber optic network installers), 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 fiber optic network installers, 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, 1,314 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 September 20, 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.
Fiber optic network installers by metro
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 fiber optic network installers, 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 fiber optic network installers are there based in Brazil?
RevenueBase identified 709 fiber optic network installers headquartered in Brazil as of September 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?
Serede, headquartered in Rio De Janeiro, tops this list with the largest team on record.
Which city has the most fiber optic network installers?
Sao Paulo leads with 70 headquartered companies, followed by Rio De Janeiro (23) and Belo Horizonte (18).
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 1,314 verified decision-maker contacts tracked across these 709 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
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Fiber optic network installers by geography
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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.
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