Company lists · Data refreshed September 2026

Top 22 Building systems maintenance contractors based in Portugal

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

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 87 companies tracked

RevenueBase identified 87 building systems maintenance contractors headquartered in Portugal as of September 2026 and tracks 1,299 professional contacts across them, including 252 with verified work emails. Lisboa is the largest hub.

This list covers building systems maintenance contractors headquartered in Portugal, 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 16, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review

87Companies

1,299Contacts tracked

252Verified emails

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The 22 largest building systems maintenance contractors based in Portugal

Ranked by team size

Top 22 of 87 building systems maintenance contractors based in Portugal, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to building systems maintenance contractors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	UPK	Indirect evidence	Guifões, PortugalHQ checked Sep 16, 2026	201-500	164 contacts →
	Indirect evidence “Desde 2015 com a nova denominação upK, a empresa dá continuidade à originalmente denominada SMP - Serviços de Manutenção e Planeamento, SA e, tem como principais activos os mais…” Source: RevenueBase Database · checked Sep 16, 2026
2	Wikibuild S.A	Indirect evidence	Lisbon, PortugalHQ checked Sep 16, 2026	51-200	110 contacts →
	Indirect evidence “Quem Somos?” Source: RevenueBase Database · checked Sep 16, 2026
3	TRM Technical Resources Management, LDA	Indirect evidence	Lisboa, PortugalHQ checked Sep 16, 2026	201-500	89 contacts →
	Indirect evidence “A TRM posiciona-se no mercado dos serviços técnicos com o objetivo de desenvolver e implementar nas empresas um elevado rendimento das instalações, ou seja, maximizar a…” Source: RevenueBase Database · checked Sep 16, 2026
4	Opertec	Indirect evidence	Braga, PortugalHQ checked Sep 16, 2026	11-50	55 contacts →
	Indirect evidence “A OPERTEC é uma empresa do GRUPO CASAIS, que atua na área das FACILITIES MANAGEMENT: Gestão e Operação de Edifícios, Empreendimentos, Instalações Técnicas e Industriais.” Source: RevenueBase Database · checked Sep 16, 2026
5	LMGE	Strong evidence	Lisbon, PortugalHQ checked Sep 16, 2026	51-200	51 contacts →
	Strong evidence “LMGE – Gestão de Edifícios is an engineering company specialized in buildings’ Operation and Maintenance.” Source: RevenueBase Database · checked Sep 16, 2026
6	Aqueciliz S.A	Indirect evidence	Caranguejeira, PortugalHQ checked Sep 16, 2026	51-200	30 contacts →
	Indirect evidence “O principal objetivo do GRUPO AQUECILIZ é proporcionar ao Mercado, e em especial aos nossos Cientes, um Grau de Satisfação que cumpra as expectativas, necessidades e compromissos…” Source: RevenueBase Database · checked Sep 16, 2026
7	Kingman	Indirect evidence	Marinha Grande, PortugalHQ checked Sep 16, 2026	11-50	22 contacts →
	Indirect evidence “A Kingman tem como foco principal, a atividade de Gestão e Manutenção geral de todo o tipo de edifícios, bem como a instalação, reparação e/ou conservação de equipamentos, tendo…” Source: RevenueBase Database · checked Sep 16, 2026
8	Newclima	Indirect evidence	Maia, PortugalHQ checked Sep 16, 2026	11-50	21 contacts →
	Indirect evidence “A Newclima Instalações e Manutenção, Lda.” Source: RevenueBase Database · checked Sep 16, 2026
9	Frostline	Indirect evidence	Venda Do Pinheiro - Mafra, PortugalHQ checked Sep 16, 2026	51-200	18 contacts →
	Indirect evidence “Engenharia AVAC com Rigor, Inovação e Compromisso A Frostline – Climatização e Refrigeração, Lda.” Source: RevenueBase Database · checked Sep 16, 2026
10	Gartek	Indirect evidence	Moreira De Cónegos, PortugalHQ checked Sep 16, 2026	1-10	18 contacts →
	Indirect evidence “Integrada no Grupo Garcia Garcia, a Gartek vem fazer parte de um sólido leque composto por 4 empresas distintas, nomeadamente Garcia Garcia, Multiprojectus, Garsteel e Gartek – GG…” Source: RevenueBase Database · checked Sep 16, 2026
11	Promeicentro	Indirect evidence	Coimbra, PortugalHQ checked Sep 16, 2026	11-50	8 contacts →
	Indirect evidence “A PromeiCentro apresenta-se como empresa especializada na área da manutenção Hospitalar estando no mercado desde 1990.” Source: RevenueBase Database · checked Sep 16, 2026
12	Engiloja	Indirect evidence	Odivelas, PortugalHQ checked Sep 16, 2026	11-50	8 contacts →
	Indirect evidence “Na sua fundação, em 2003, a ENGILOJA destacou-se no mercado, como uma empresa de projeto e fiscalização do sector de AVAC e Baixa tensão.” Source: RevenueBase Database · checked Sep 16, 2026
13	Embeiral Técnica	Indirect evidence	Viseu, PortugalHQ checked Sep 16, 2026	11-50	7 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026
14	Assistimo	Indirect evidence	Almada, PortugalHQ checked Sep 16, 2026	11-50	6 contacts →
	Indirect evidence “Fundada no início deste novo milénio com o intuito de responder às novas necessidades de empresas e particulares, nomeadamente no campo da manutenção de instalações e equipamentos…” Source: RevenueBase Database · checked Sep 16, 2026
15	Alfibraga Instalações Mecânicas, LDA	Indirect evidence	Braga, PortugalHQ checked Sep 16, 2026	11-50	6 contacts →
	Indirect evidence “Fundada em 1998, a Alfibraga, Instalações Mecânica, Lda é uma empresa especializada na instalação e manutenção de sistemas de aquecimento, ar condicionado, ventilação…” Source: RevenueBase Database · checked Sep 16, 2026
16	Ground Water, LDA	Indirect evidence	Corroios, PortugalHQ checked Sep 16, 2026	11-50	4 contacts →
	Indirect evidence “Ground Water, é uma empresa que desenvolve a sua actividade principal na área da Instalação e manutenção de equipamentos de Ar Condicionado, Ventilação, Aquecimento, Energias…” Source: RevenueBase Database · checked Sep 16, 2026
17	Attitude	Indirect evidence	Vialonga, PortugalHQ checked Sep 16, 2026	11-50	3 contacts →
	Indirect evidence “A ATTITUDE é uma empresa que faz Construção, Manutenção e Reabilitação de Imóveis, desempenhando a sua atividade em Construção Civil, Remodelações e Reabilitações.” Source: RevenueBase Database · checked Sep 16, 2026
18	Buildingclass	Partial evidence	Parchal, PortugalHQ checked Sep 16, 2026	11-50	3 contacts →
	Partial evidence “A BuildingClass, sedeada em Lagoa, é uma empresa especializada nas áreas de Manutenção, Conservação e Reabilitação de Edifícios.” Source: RevenueBase Database · checked Sep 16, 2026
19	Beepenger	Indirect evidence	Leiria, PortugalHQ checked Sep 16, 2026	11-50	2 contacts →
	Indirect evidence “A beepenger – Engenharia, Climatização e Manutenção.Lda- é uma empresa na área da Engenharia Mecânica, nomeadamente na prestação dos seguintes serviços- Projectos de AVAC…” Source: RevenueBase Database · checked Sep 16, 2026
20	Socequi-Sociedade DE Equipamentos Industriais, LDA	Indirect evidence	Porto, PortugalHQ checked Sep 16, 2026	1-10	1 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026
21	FFM	Indirect evidence	Porto, PortugalHQ checked Sep 16, 2026	1-10	1 contacts →
	Indirect evidence “A FFM - First Facility Management surge como resposta a uma procura crescente do mercado para a gestão integrada dos locais, com o objetivo de otimizar serviços e reduzir custos…” Source: RevenueBase Database · checked Sep 16, 2026
22	DGC	Indirect evidence	Lisbon, PortugalHQ checked Sep 16, 2026	1-10	1 contacts →
	Indirect evidence “A DGC – Gestão da Manutenção de Edifícios, surge em 2012 como consequência da experiência acumulada na vertente da engenharia, nomeadamente, projeto, instalação, manutenção e…” Source: RevenueBase Database · checked Sep 16, 2026

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: building systems maintenance contractors. 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 building systems maintenance contractors.
Partial evidence: Its own public description names part of building systems maintenance contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name building systems maintenance contractors. 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 22 of 87 building systems maintenance contractors based in Portugal

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Building systems maintenance contractors based in Portugal at a glance

As of Sep 16, 2026

19.4%Verified-email coverage

14.9Average contacts per company

11-50Median size (employees)

9.2%Largest-city concentration · Lisboa

Sep 16, 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 87 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 building systems maintenance contractors, 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 Portugal whose own description of what they do matches “building systems maintenance contractors”. 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 building systems maintenance contractors), 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 building systems maintenance contractors, and records with no verified work email. Companies headquartered outside Portugal 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, 252 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 16, 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.

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 building systems maintenance contractors, 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 building systems maintenance contractors are there based in Portugal?

RevenueBase identified 87 building systems maintenance contractors headquartered in Portugal 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?

UPK, headquartered in Guifoes Matosinhos, tops this list with the largest team on record.

Which city has the most building systems maintenance contractors?

Lisboa leads with 8 headquartered companies, followed by Porto (5) and Braga (4).

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 252 verified decision-maker contacts tracked across these 87 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 16, 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 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.