Company lists · Data refreshed November 2026

Top 25 Electrical system modernization companies based in Portugal

Name: Electrical system modernization companies based in Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 153 companies tracked

RevenueBase identified 153 company matches for electrical system modernization companies associated with Portugal as of November 2026 and tracks 2,292 professional contacts across them, including 529 with verified work emails. Lisbon is the largest hub.

This list covers company matches for electrical system modernization companies 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

153Companies

2,292Contacts tracked

529Verified emails

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The 25 largest electrical system modernization companies based in Portugal

Ranked by team size

Top 25 of 153 company matches for electrical system modernization companies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Est, S.A	Exact match	Leiria, PortugalHQ recorded Nov 6, 2026	51-200	579 contacts →
	Exact match “EST - Empresa Serviços Técnicos, S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Sotécnica	Exact match	Loures, PortugalHQ recorded Nov 6, 2026	501-1,000	334 contacts →
	Exact match “Sotécnica, a brand of VINCI Energies, is an integrated engineering solutions company and a multi-technical team in the areas of Electrical Installations, Technical Installations…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	DTE	Exact match	Braga, PortugalHQ recorded Nov 6, 2026	51-200	165 contacts →
	Exact match “Acompanhando a constante evolução tecnológica e os novos modos de vida, a dte orgulha-se de ser uma das empresas nacionais de referência na instalação de infraestruturas e…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Nomad Tech	Exact match	Guifões, PortugalHQ recorded Nov 6, 2026	51-200	45 contacts →
	Exact match “Nomad Tech delivers power electronics engineering, repair, and modernization, supporting operators and maintainers extend asset life, improve reliability, and reduce Life Cycle…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Electro-Minho	Exact match	Viana Do Castelo, PortugalHQ recorded Nov 6, 2026	201-500	43 contacts →
	Exact match “Fundada em 1955, a Electro-Minho, Lda.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Powergroup	Exact match	Paredes, PortugalHQ recorded Nov 6, 2026	51-200	32 contacts →
	Exact match “We work and grow together!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Enforce	Exact match	Covilhã, PortugalHQ recorded Nov 6, 2026	11-50	31 contacts →
	Exact match “A Enforce foi fundada há 10 anos resultando da transformação da empresa João Nuno Serra Lda.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Energytop	Exact match	Maia, PortugalHQ recorded Nov 6, 2026	11-50	30 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
9	IELAC	Exact match	Vila Nova De Famalicão, PortugalHQ recorded Nov 6, 2026	11-50	22 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Reninstal	Exact match	Coimbra, PortugalHQ recorded Nov 6, 2026	11-50	22 contacts →
	Exact match “A empresa Reninstal iniciou atividade em 2014 pelo seu sócio-gerente Rúben Renato Rodrigues e desde então tem cumprindo uma estratégia de contínuo crescimento, com…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Optipower	Exact match	Aveiro, PortugalHQ recorded Nov 6, 2026	1-10	21 contacts →
	Exact match “Our company provides services and products in the field of electric installations and industrial maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Voltel	Exact match	Santa Catarina Da Serra, PortugalHQ recorded Nov 6, 2026	11-50	20 contacts →
	Exact match “A Voltel – Instalações Técnicas de Electricidade, Lda.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Carfat	Exact match	Guimarães, PortugalHQ recorded Nov 6, 2026	11-50	19 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
14	Trimono	Exact match	Olival Basto, PortugalHQ recorded Nov 6, 2026	51-200	18 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
15	Indutora	Exact match	Funchal, PortugalHQ recorded Nov 6, 2026	51-200	16 contacts →
	Exact match “Instalações Eléctricas e de Telecomunicações” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Snef Portugal Electricidade	Exact match	Elvas, PortugalHQ recorded Nov 6, 2026	11-50	13 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
17	Engivouga	Exact match	Oliveira Do Bairro, PortugalHQ recorded Nov 6, 2026	11-50	13 contacts →
	Exact match “A Engivouga é uma empresa jovem que presta serviços de Instalações Elétricas, Telecomunicações, Sistemas de Segurança e Energias Renováveis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Embeiral Técnica	Exact match	Viseu, PortugalHQ recorded Nov 6, 2026	11-50	11 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 · Nov 6, 2026 · View company records in RevenueBase
19	Nemotek Gestão Técnica Centralizada, LDA	Exact match	Torres Vedras, PortugalHQ recorded Nov 6, 2026	11-50	11 contacts →
	Exact match “Entreprise crée en 1995.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Decibolt	Exact match	Póvoa De Varzim, PortugalHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
21	Voltmoderno	Exact match	Carregado, PortugalHQ recorded Nov 6, 2026	11-50	8 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
22	Mendanha	Exact match	Vila Nova De Famalicão, PortugalHQ recorded Nov 6, 2026	11-50	7 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
23	Apineq	Exact match	Maia, PortugalHQ recorded Nov 6, 2026	11-50	7 contacts →
	Exact match “Engine For Growth: automation industry” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Electrorep	Exact match	Aveiro, PortugalHQ recorded Nov 6, 2026	11-50	6 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
25	G. J. Silva & Filhos, LDA	Exact match	2200-233 Abrantes, PortugalHQ recorded Nov 6, 2026	11-50	6 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

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 “electrical system modernization companies”. 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 25 of 153 electrical system modernization companies based in Portugal

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Electrical system modernization companies based in Portugal at a glance

As of Nov 6, 2026

23.1%Verified-email coverage

15.0Average contacts per company

11-50Median size (employees)

5.2%Largest-city concentration · Lisbon

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 153 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 modernization companies” 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 529 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 modernization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical system modernization companies are there based in Portugal?

RevenueBase identified 153 company matches for electrical system modernization companies 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 modernization companies?

Lisbon leads with 8 company records, followed by Braga (6) and Vila Do Conde (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 529 professional contacts with verified work emails tracked across these 153 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.