Company lists · Data refreshed November 2026

Top 15 Circuit providers based in Portugal

RevenueBase identified 113 company matches for circuit providers associated with Portugal as of November 2026 and tracks 481 professional contacts across them, including 58 with verified work emails. Lisbon is the largest hub.

This list covers company matches for circuit providers associated with Portugal, 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
113Companies
481Contacts tracked
58Verified emails
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The 15 largest circuit providers based in Portugal

Ranked by team size
Top 15 of 113 company matches for circuit providers based in Portugal, 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 matchSanta Catarina Da Serra, PortugalHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“A Voltel – Instalações Técnicas de Electricidade, Lda.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchOlival Basto, PortugalHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“About Trimono Founded in 2001, Trimono Electrical Installations quickly became a trusted name in Portugal’s electrical installation sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchFunchal, PortugalHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Instalações Eléctricas e de Telecomunicações”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCoimbra, PortugalHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Apesar de jovem, a VOLTENERGY, orgulha-se de ser já uma das empresas nacionais de referência na área das instalações eléctricas e no fabrico de quadros eléctricos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchElvas, PortugalHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Somos uma empresa com uma rica trajetória de mais de 30 anos, estabelecendo um legado sólido no setor industrial.”

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

Exact match

“Fundada no ano de 2002, a Iluminho – Instalações Eléctricas, Lda, sediada em Braga tem como principal ramo de atividade a execução de instalações elétricas de baixa tensão…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCarregado, PortugalHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Somos uma empresa, a laborar desde Maio de 2005, vocacionada para execução de obras de eletricidade, segurança e cablagem estruturada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchValongo, PortugalHQ recorded Nov 6, 202611-508 contacts →

Exact match

“A Rui Marques, Electricidade, nasceu em 1980, assumindo-se desde o seu início no mercado da electricidade e adaptação constante às exigências do mercado, trabalhando com artigos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchVila Nova De Famalicão, PortugalHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Com mais de vinte e cinco anos de experiência nas áreas de Eletricidade e Energia, Sistemas de Segurança, Telecomunicações, Automação, Quadros Elétricos e Fotovoltaico a Mendanha…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact match2200-233 Abrantes, PortugalHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Instalações Eléctricas de Baixa / Média Tensão Automação e Controlo Telecomunicações Sistemas de Segurança Sistemas de VideoVigilância - CCTV”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLinda A Velha, PortugalHQ recorded Nov 6, 202611-506 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDafundo, PortugalHQ recorded Nov 6, 20261-106 contacts →

Exact match

“A PROCAF, Lda.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPorto, PortugalHQ recorded Nov 6, 20261-105 contacts →

Exact match

“A GATENGEL - Projectos de Engenharia, Lda é uma Empresa de Serviços, com sede no Porto, que iniciou a sua actividade em 1986, e que realiza trabalhos de consultoria e projecto…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSilveira, PortugalHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Francofásica is a construction company based out of 8 R.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPrior Velho, PortugalHQ recorded Nov 6, 202611-502 contacts →

Exact match

“A STE é uma empresa de prestação de serviços de instalação, manutenção e engenharia, focada nos sistemas de telecomunicações, electrónica, Redes de Comunicações e Electricidade…”

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

Showing 15 of 113 circuit providers based in Portugal

See the full list, filter by size, metro and specialty, and access 58 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Circuit providers based in Portugal at a glance

As of Nov 6, 2026
12.1%Verified-email coverage
4.3Average contacts per company
1-10Median size (employees)
6.2%Largest-city concentration · Lisbon
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
58
11-50
44
51-200
6
201-500
1

Email recency for this list is measured worldwide rather than for Portugal, so it is reported there. Company counts and contact totals on this page are exact for Portugal, over 113 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 Portugal whose business descriptions match “circuit 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 58 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 “circuit providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many circuit providers are there based in Portugal?

RevenueBase identified 113 company matches for circuit providers associated with Portugal 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?

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

Which city has the most circuit providers?

Lisbon leads with 7 company records, followed by Braga (6) and Aveiro (3).

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 58 professional contacts with verified work emails tracked across these 113 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.