Company lists · Data refreshed October 2026

Top 17 Utility electrical maintenance contractors based in Portugal

Name: Utility electrical maintenance contractors based in Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 22, 2026 90 companies tracked

RevenueBase identified 90 company matches for utility electrical maintenance contractors associated with Portugal as of October 2026 and tracks 811 professional contacts across them, including 176 with verified work emails. Lisbon is the largest hub.

This list covers company matches for utility electrical maintenance contractors 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 October 22, 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 Oct 22, 2026 How this list was built

90Companies

811Contacts tracked

176Verified emails

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The 17 largest utility electrical maintenance contractors based in Portugal

Ranked by team size

Top 17 of 90 company matches for utility electrical maintenance contractors based in Portugal, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Wikibuild S.A	Exact match	Lisbon, PortugalHQ recorded Oct 22, 2026	51-200	111 contacts →
	Exact match “Quem Somos?” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2	RUI & Candeias, LDA	Exact match	Sines, PortugalHQ recorded Oct 22, 2026	51-200	56 contacts →
	Exact match “Instrumentação, Manutenção, Electricidade e Construção Civil” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3	Powergroup	Exact match	Paredes, PortugalHQ recorded Oct 22, 2026	51-200	29 contacts →
	Exact match “We work and grow together!” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4	Optipower	Exact match	Aveiro, PortugalHQ recorded Oct 22, 2026	1-10	20 contacts →
	Exact match “Our company provides services and products in the field of electric installations and industrial maintenance.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5	Voltel	Exact match	Santa Catarina Da Serra, PortugalHQ recorded Oct 22, 2026	11-50	18 contacts →
	Exact match “A Voltel – Instalações Técnicas de Electricidade, Lda.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6	Trimono	Exact match	Olival Basto, PortugalHQ recorded Oct 22, 2026	51-200	17 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 · Oct 22, 2026 · View company records in RevenueBase
7	Iberinstal	Exact match	Bucelas, PortugalHQ recorded Oct 22, 2026	11-50	16 contacts →
	Exact match “A IBERINSTAL é uma empresa que atua no sector do Transporte e Distribuição de Eletricidade, bem como na área das Instalações Técnicas.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8	Indutora	Exact match	Funchal, PortugalHQ recorded Oct 22, 2026	51-200	16 contacts →
	Exact match “Instalações Eléctricas e de Telecomunicações” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9	EPMF	Exact match	Lisbon, PortugalHQ recorded Oct 22, 2026	11-50	15 contacts →
	Exact match “A EPMF iniciou a atividade na área dos Projetos, Fiscalização e Manutenção de Instalações.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10	Cosmanlux	Exact match	Sintra, PortugalHQ recorded Oct 22, 2026	11-50	13 contacts →
	Exact match “A COSMANLUX é uma empresa especializada na manutenção e montagem de equipamentos de Média e Alta Tensão, com experiência consolidada no setor energético e um compromisso contínuo…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11	Embeiral Técnica	Exact match	Viseu, PortugalHQ recorded Oct 22, 2026	11-50	9 contacts →
	Exact match “Founded on June 28, 2018, headquartered in Viseu, Embeiral Técnica appears with its strategy defined and directed towards the execution of all types of technical installations…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12	Decibolt	Exact match	Póvoa De Varzim, PortugalHQ recorded Oct 22, 2026	11-50	8 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 · Oct 22, 2026 · View company records in RevenueBase
13	ASE	Exact match	Albergaria-a-velha, PortugalHQ recorded Oct 22, 2026	11-50	8 contacts →
	Exact match “A ASE, empresa da Metaveiro Grupo, destaca-se como uma referência especializada no setor das Instalações Elétricas e Hidráulicas.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14	Procaf Projectos, Consultoria, Assistência E Fiscalização DE Instalações, LDA	Exact match	Dafundo, PortugalHQ recorded Oct 22, 2026	1-10	6 contacts →
	Exact match “A PROCAF, Lda.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15	Faixa Vertical	Exact match	Cidade Da Maia, PortugalHQ recorded Oct 22, 2026	51-200	4 contacts →
	Exact match “Faixa Vertical is an electrical utilities company based out of Maia, Portugal, specializing in Transformer Substations, Medium and Low Voltage systems.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16	Attitude	Exact match	Vialonga, PortugalHQ recorded Oct 22, 2026	11-50	3 contacts →
	Exact match “A ATTITUDE é uma empresa que faz Construção, Manutenção e Reabilitação de Imóveis, desempenhando a sua atividade em Construção Civil, Remodelações e Reabilitações.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17	Serviços DE Telecomunicações E Electrónica, SA	Exact match	Prior Velho, PortugalHQ recorded Oct 22, 2026	11-50	2 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 · Oct 22, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “utility electrical maintenance contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 17 of 90 utility electrical maintenance contractors based in Portugal

See the full list, filter by size, metro and specialty, and access 176 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Utility electrical maintenance contractors based in Portugal at a glance

As of Oct 22, 2026

21.7%Verified-email coverage

9.0Average contacts per company

11-50Median size (employees)

7.8%Largest-city concentration · Lisbon

Oct 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 90 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 “utility electrical maintenance contractors” 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 176 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 October 22, 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 “utility electrical maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many utility electrical maintenance contractors are there based in Portugal?

RevenueBase identified 90 company matches for utility electrical maintenance contractors associated with Portugal as of October 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?

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

Which city has the most utility electrical maintenance contractors?

Lisbon leads with 7 company records, followed by Lagoa (2) and Maia (2).

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 176 professional contacts with verified work emails tracked across these 90 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 October 22, 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.