Company lists · Data refreshed September 2026
Top 25 Energy service providers based in Portugal
RevenueBase identified 228 energy service providers headquartered in Portugal as of September 2026 and tracks 1,406 professional contacts across them, including 360 with verified work emails. Lisboa is the largest hub.
This list covers energy service providers 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.
The 25 largest energy service providers based in Portugal
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 242 contacts → | ||||
Indirect evidence “A GOLDENERGY nasceu com uma visão.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 49 contacts → | ||||
Strong evidence “ℹ Desde 2013, a Master Vantagem tem sido um nome de referência no mercado energético, tanto em Portugal como em Espanha.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 42 contacts → | ||||
Strong evidence “Com um histórico de mais de 15 anos no setor da energia, a Elergone Energia oferece aos seus clientes uma visão global e estratégica na sustentabilidade energética, económica e…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 28 contacts → | ||||
Strong evidence “A Smartwatt, com mais de 15 anos de experiência, cria e implementa soluções de eficiência energética, produção de energia renovável e digitalização da gestão da energia…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 26 contacts → | ||||
Strong evidence “Serviços nas áreas de referência de sustentabilidade energética desde Consultoria ao desenvolvimento de um Plano Operacional Integrado.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 24 contacts → | ||||
Strong evidence “WiNRG Iberia is specialized in the renewable energies sector with branch offices in Lisbon and Madrid.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 23 contacts → | ||||
Strong evidence “Gesto is an international company focused on energy consulting and renewable energy project development.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 18 contacts → | ||||
Strong evidence “Somos uma comercializadora de Energia, com forte vertente para o desenvolvimento de soluções para os nossos clientes para redução das suas emissões de carbono, por sua vez a…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 16 contacts → | ||||
Strong evidence “Audax é a empresa de energia que ajuda pessoas e empresas a tirar o máximo proveito da sua energia.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 14 contacts → | ||||
Strong evidence “Comercializadora de eletricidade e gás que oferece serviços de energia 360º.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 13 contacts → | ||||
Strong evidence “Somos uma empresa de referência no sector das Energias Renováveis e Climatização, composta por um grupo de profissionais com vasta experiência e dinamismo.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 13 contacts → | ||||
Strong evidence “A CIRCUITOS Energy Solutions desenvolve e implementa desde 2006 sistemas e soluções de energia, tecnologicamente evoluídas e inovadoras, para particulares e empresas, que procuram…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 12 contacts → | ||||
Indirect evidence “A EMTEP - Engineering Consultants, Lda.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 12 contacts → | ||||
Strong evidence “A Energyco é uma empresa portuguesa, dedicada ao fornecimento de energia térmica e fotovoltaica como um serviço.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 12 contacts → | ||||
Indirect evidence “A Aliartalentos integra recursos humanos com competências, especialmente vocacionadas para apoiar os seus clientes na identificação, desenvolvimento, implementação e manutenção de…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 11 contacts → | ||||
Strong evidence “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.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 10 contacts → | ||||
Strong evidence “SEM IR | Engenharia de Proximidade & Sustentabilidade Energética.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 10 contacts → | ||||
Strong evidence “A AUDITENE - PROJECTOS E AUDITORIAS ENERGÉTICAS, LDA é uma empresa de "Engineering" nos campos de engenharia mecânica e electrotécnica.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 9 contacts → | ||||
Strong evidence “We are at the Core of Energy Efficiency, our mission is reducing Energy Cost in Buildings and Industries.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8 contacts → | ||||
Strong evidence “A TLCI Energia é uma marca especializada na oferta de soluções de produção de energias renováveis.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 8 contacts → | ||||
Indirect evidence “Engenharia presente no mercado há mais de 25 anos, formada por uma equipa com ampla experiência profissional e profundos conhecimentos técnicos nas diferentes áreas específicas, a…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 8 contacts → | ||||
Strong evidence “Ecoarq é uma empresa de Arquitectura e Sustentabilidade Energética, sediada no Barreiro.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 7 contacts → | ||||
Strong evidence “Na Lugotech, dedicamo-nos a impulsionar a eficiência empresarial em três áreas principais: facilitando soluções de energia competitivas como agentes EDP no setor Empresarial…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 7 contacts → | ||||
Strong evidence “From Energy Efficiency & Descarbonization, strategic decisions for Facilities Management to developing the capabilities of your business, we are available to help with experienced…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 7 contacts → | ||||
Indirect evidence “O setor da Sustentabilidade, Gestão de Ativos e Tecnologias de Informação ganha cada vez mais importância dentro de uma organização, devido à representatividade dos seus recursos…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
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: energy service providers. 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 energy service providers.
- Partial evidence
- Its own public description names part of energy service providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name energy service providers. 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 25 of 228 energy service providers based in Portugal
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 360 reachable decision-makers.
Free signup · no credit card
Energy service providers based in Portugal at a glance
As of Sep 16, 2026Companies by employee count
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 228 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 energy service providers, 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 “energy service providers”. 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 energy service providers), 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 energy service providers, 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, 360 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.
Energy service providers by metro
- Energy service providers in Lisboa25
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 energy service providers, 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 energy service providers are there based in Portugal?
RevenueBase identified 228 energy service providers 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?
Goldenergy, headquartered in Vila Real, tops this list with the largest team on record.
Which city has the most energy service providers?
Lisboa leads with 25 headquartered companies, followed by Porto (21) and Braga (6).
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 360 verified decision-maker contacts tracked across these 228 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.
Ready to reach these companies? Verified emails and direct dials for all 228 energy service providers based in Portugal. Start with a free account, no credit card.
Download this list →Related lists
Energy service providers by geography
- Energy service providers based in Melbourne, Australia
- Energy service providers based in Perth, Australia
- Energy service providers based in Sydney, Australia
- Energy service providers based in Belo Horizonte, Brazil
- Energy service providers based in Porto Alegre, Brazil
- Energy service providers based in Rio De Janeiro, Brazil
- Energy service providers based in Sao Paulo, Brazil
- Energy service providers based in Calgary, Canada
- Energy service providers based in Edmonton, Canada
- Energy service providers based in Toronto, Canada
- Energy service providers based in Vancouver, Canada
- Energy service providers based in Lyon, France
Browse the directory
Browse: Companies home · All Portugal lists · All Energy service providers lists · New lists
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Energy service providers based in Melbourne, Australia
- Energy service providers based in Perth, Australia
- Energy service providers based in Sydney, Australia
- Energy service providers based in Belo Horizonte, Brazil
- Energy service providers based in Porto Alegre, Brazil
- Energy service providers based in Rio De Janeiro, Brazil