Company lists · Data refreshed November 2026

Top 25 Electrical system integrators based in Portugal

RevenueBase identified 149 company matches for electrical system integrators associated with Portugal as of November 2026 and tracks 1,710 professional contacts across them, including 329 with verified work emails. Braga is the largest hub.

This list covers company matches for electrical system integrators 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
149Companies
1,710Contacts tracked
329Verified emails
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The 25 largest electrical system integrators based in Portugal

Ranked by team size
Top 25 of 149 company matches for electrical system integrators 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 matchLeiria, PortugalHQ recorded Nov 6, 202651-200579 contacts →

Exact match

“EST - Empresa Serviços Técnicos, S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchVila Nova De Gaia, PortugalHQ recorded Nov 6, 2026201-500201 contacts →

Exact match

“This is our engineering of success, an act of future creation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchCanelas, PortugalHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“Leadership in the equipments and electrical systems for the innovation, competitiveness, service, quality and respect for the Environment and Security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchVila Nova De Santo André, PortugalHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“A PLEXUS é uma empresa que se especializou no campo da integração de sistemas, que consiste na ligação de vários sistemas autónomos uns aos outros, de forma a que aparentem e se…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMaia, PortugalHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Fundada em 2002, a EnergyTop é uma empresa vocacionada para soluções integradas ou completas, tipo chave-na-mão, nas áreas de produção de energia, instalações elétricas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLisbon, PortugalHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Instalações Elétricas e Telecomunicações & Domótica - Redes Estruturadas de Dados - Safety - SADI - Security - SADIR, Controlo de Acessos, CCTV - Manutenção”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPaços Ferreira, PortugalHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Instalações elétricas de baixa e média tensão, Ited, CCTV, controle de acessos, Intrusão, deteção de incêndio, etc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSintra, PortugalHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“A Hager – Sistemas Eléctricos Modulares, S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGuimarães, PortugalHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Com mais de duas décadas de história, a CARFAT é uma empresa vocacionada para soluções integradas de eletricidade.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchCâmara De Lobos, PortugalHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Empresa vocacionada para o setor das Instalações Elétricas que desenvolve, essencialmente, a sua atividade no mercado regional com uma oferta de serviços distinta em diferentes…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSeixal, PortugalHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Fundada em 1998, a SISACOL tornou-se numa empresa de comercialização de equipamentos e sistemas para as áreas da energia, automação, controlo e instrumentação industrial.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchBraga, PortugalHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Fundada em 2005, dentro de uma das mais antigas empresas de instalações elétricas do norte do país, a Quadrina integra o Grupo Casais desde 2010.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchBraga, PortugalHQ recorded Nov 6, 20261-109 contacts →

Exact match

“A TECHBASE é uma marca pertencente à MENDES L.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLordelo - Paredes, PortugalHQ recorded Nov 6, 20261-109 contacts →

Exact match

“A Quadrinorte é especialista na eletrificação e comercialização de quadros elétricos e automação.”

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

Exact match

“A Dome4U é uma empresa de engenharia nas áreas de domótica, integração e salas de cinema privadas, que atua nos mercados residencial, comercial (office), náutico e hoteleiro.”

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

Exact match

“A Mendos (uma marca Manuel Fernando Moutinho Mendes, Unipessoal Lda.) nasceu em 2006, com o objectivo de comercializar produtos para a indústria.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLeiria, PortugalHQ recorded Nov 6, 202611-508 contacts →

Exact match

“HISTÓRIA A IDES – Lda é formalmente constituída como empresa, a 14 de Fevereiro de 2012.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchPóvoa De Varzim, PortugalHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Em 2011, surge no mercado uma empresa vocacionada para as instalações elétricas, que desenvolve uma parceria com o Grupo CCR.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact matchMaia, PortugalHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Engine For Growth: automation industry”

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

Exact match

“A ElectroREP é uma empresa especialista na execução de trabalhos nas áreas da eletricidade, águas, incêndios, ar-condicionado, automação e energias renováveis.”

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

Showing 25 of 149 electrical system integrators based in Portugal

See the full list, filter by size, metro and specialty, and access 329 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical system integrators based in Portugal at a glance

As of Nov 6, 2026
19.2%Verified-email coverage
11.5Average contacts per company
1-10Median size (employees)
7.4%Largest-city concentration · Braga
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
80
11-50
59
51-200
7
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 149 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 “electrical system integrators” 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 329 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 “electrical system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical system integrators are there based in Portugal?

RevenueBase identified 149 company matches for electrical system integrators 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?

Est, S.A tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most electrical system integrators?

Braga leads with 11 company records, followed by Lisbon (7) and Aveiro (5).

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 329 professional contacts with verified work emails tracked across these 149 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.