Company lists · Data refreshed September 2026

Top 20 Residential energy efficiency companies based in Portugal

Name: Residential energy efficiency companies based in Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 104 companies tracked

RevenueBase identified 104 company matches for residential energy efficiency companies associated with Portugal as of September 2026 and tracks 534 professional contacts across them, including 77 with verified work emails. Lisbon is the largest hub.

This list covers company matches for residential energy efficiency 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 September 17, 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 Sep 17, 2026 How this list was built

104Companies

534Contacts tracked

77Verified emails

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The 20 largest residential energy efficiency companies based in Portugal

Ranked by team size

Top 20 of 104 company matches for residential energy efficiency companies based in Portugal, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Master Vantagem Portugal	Exact match	Benedita, PortugalHQ recorded Sep 17, 2026	11-50	49 contacts →
	Exact match “ℹ Desde 2013, a Master Vantagem tem sido um nome de referência no mercado energético, tanto em Portugal como em Espanha.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Bandora	Exact match	Porto, PortugalHQ recorded Sep 17, 2026	11-50	25 contacts →
	Exact match “At Bandora, we help commercial buildings become smarter, greener, and more efficient.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Coeptum	Exact match	Gandra, PortugalHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “A COEPTUM atua no setor da energia, com particular enfoque nas áreas da sustentabilidade e eficiência energética.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	SCT Power, LDA	Exact match	Venda Do Pinheiro, PortugalHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “SCT Power is a company focused on energy that provides its partners, products and services that help them to overcome the constant challenge of becoming more energy efficient.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Amener S.A	Exact match	Lisbon, PortugalHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “A AMENER S.A, uma sociedade anónima com uma estrutura acionista de referência, é uma empresa especializada na promoção de serviços de eficiência energética, alicerçada na criação…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Thermosite	Exact match	Porto, PortugalHQ recorded Sep 17, 2026	1-10	9 contacts →
	Exact match “THERMOSITE provides to all users a software that allows to select the most suitable house climate control system, domestic hot water or swimming pool heating system or high…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Âmago-Energia Inteligente, LDA	Exact match	PortugalHQ recorded Sep 17, 2026	1-10	9 contacts →
	Exact match “We are at the Core of Energy Efficiency, our mission is reducing Energy Cost in Buildings and Industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Tlci Energia	Exact match	Guimarães, PortugalHQ recorded Sep 17, 2026	51-200	8 contacts →
	Exact match “A TLCI Energia é uma marca especializada na oferta de soluções de produção de energias renováveis.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Ecoarq	Exact match	Barreiro, PortugalHQ recorded Sep 17, 2026	1-10	8 contacts →
	Exact match “Ecoarq é uma empresa de Arquitectura e Sustentabilidade Energética, sediada no Barreiro.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	I-Sete	Exact match	Trofa, PortugalHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “A I-Sete é uma empresa de serviços energéticos cuja filosofia combina vetores de criação de valor, inovação e consciência ambiental, nas soluções de projeto customizadas…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Lefe,lda	Exact match	Joane, PortugalHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “Somos uma empresa comprometida em fornecer soluções inovadoras e sustentáveis para os nossos clientes.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	DELAB	Exact match	Lisbon, PortugalHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “DELAB is a Portuguese organization offering Services on Engineering, Energy Efficiency & Green Energy, Project Management & Supervision, Innovation & Development.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Ecosul	Exact match	Portimão, PortugalHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “Desde 2012, a Ecosul tem liderado o caminho na eficiência energética e energias renováveis, ajudando empresas, indústrias e instituições públicas a reduzir custos energéticos…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Consultoria Portuguesa DE Energia	Exact match	Sacavém, PortugalHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “A Consultoria Portuguesa de Energia tem como atividade Auditoria, Consultoria e Certificação Energética, disponibilizando soluções para a otimização dos gastos de energia, com…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Energias DA Terra	Exact match	Malveira, PortugalHQ recorded Sep 17, 2026	11-50	4 contacts →
	Exact match “Somos uma equipa jovem e dinâmica, especializada em sistemas de eficiência energética e mobilidade tais como: Sistemas Solares, climatização e águas quentes por meio de bomba de…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Solvasto - PV Services	Exact match	Cascais, PortugalHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Projetamos, desenvolvemos e financiamos a melhor solução de eficiência energética para o seu negócio.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Sunproject	Exact match	Porto, PortugalHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “APRESENTAÇÃO A Sunproject é uma empresa jovem e dinâmica com pessoal especializado na área das energias alternativas, com competências técnicas e humanas, capaz de dar resposta a…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	FS Clima	Exact match	V. N. Famalicão, PortugalHQ recorded Sep 17, 2026	51-200	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	APIEE	Exact match	Lisbon, PortugalHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Corpcable	Exact match	Arcos De Valdevez, PortugalHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Corpcable is a retail company based out of Arcos de Valdevez, Portugal.” Recorded in the RevenueBase company graph · Sep 17, 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 “residential energy efficiency 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 20 of 104 residential energy efficiency companies based in Portugal

See the full list, filter by size, metro and specialty, and access 77 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Residential energy efficiency companies based in Portugal at a glance

As of Sep 17, 2026

14.4%Verified-email coverage

5.1Average contacts per company

1-10Median size (employees)

11.5%Largest-city concentration · Lisbon

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 104 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 “residential energy efficiency 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 77 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 September 17, 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 “residential energy efficiency companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many residential energy efficiency companies are there based in Portugal?

RevenueBase identified 104 company matches for residential energy efficiency companies associated with Portugal as of September 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?

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

Which city has the most residential energy efficiency companies?

Lisbon leads with 12 company records, followed by Porto (9) and Coimbra (4).

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 77 professional contacts with verified work emails tracked across these 104 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 September 17, 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.