Company lists · Data refreshed September 2026

Top 25 Industrial energy optimization companies based in Spain

Name: Industrial energy optimization companies based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 920 companies tracked

RevenueBase identified 920 industrial energy optimization companies headquartered in Spain as of September 2026 and tracks 7,097 professional contacts across them, including 685 with verified work emails. Madrid is the largest hub.

This list covers industrial energy optimization companies headquartered in Spain, 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 17, 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 17, 2026 86% judged on-target in blind review

920Companies

7,097Contacts tracked

685Verified emails

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The 25 largest industrial energy optimization companies based in Spain

Ranked by team size

Top 25 of 920 industrial energy optimization companies based in Spain, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to industrial energy optimization companies: 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	AESA	Partial evidence	Barcelona, SpainHQ checked Sep 17, 2026	n/a	351 contacts →
	Partial evidence “Ingeniería y Consultoría Energética orientada a la búsqueda y el desarrollo de soluciones energéticas de alta eficiencia para sus Clientes.” Source: RevenueBase Database · checked Sep 17, 2026
2	Tempel Group	Strong evidence	Hospitalet De Llobregat, SpainHQ checked Sep 17, 2026	51-200	336 contacts →
	Strong evidence “Tempel Group is an international company with more than 45 years of experience, specialized in consumer electronics, industrial engineering, and energy efficiency.” Source: RevenueBase Database · checked Sep 17, 2026
3	Quantica Renovables	Indirect evidence	Bollullos De La Mitación, SpainHQ checked Sep 17, 2026	201-500	162 contacts →
	Indirect evidence “QUANTICA Renovables is a company dedicated to providing cost and carbon efficiencies.” Source: RevenueBase Database · checked Sep 17, 2026
4	Grupo Tecman	Partial evidence	Erandio, SpainHQ checked Sep 17, 2026	201-500	153 contacts →
	Partial evidence “Empresa de servicios energéticos, dirigidos a la empresa privada y a la administración pública, focalizada en las áreas siguientes: Eficiencia energética Ingeniería y montaje de…” Source: RevenueBase Database · checked Sep 17, 2026
5	Enérgya-Vm	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	51-200	144 contacts →
	Partial evidence “Perteneciente a la división de energía del Grupo Villar Mir, se establece con el objetivo de poner al servicio de otras empresas su experiencia en la optimización de costes…” Source: RevenueBase Database · checked Sep 17, 2026
6	Grupo Neoelectra	Strong evidence	Sant Just Desvern, SpainHQ checked Sep 17, 2026	201-500	92 contacts →
	Strong evidence “Neoelectra es un grupo empresarial especializado en aportar soluciones energéticas eficientes a la industria.” Source: RevenueBase Database · checked Sep 17, 2026
7	Agefred	Partial evidence	Barcelona, SpainHQ checked Sep 17, 2026	51-200	88 contacts →
	Partial evidence “Agefred se destaca como líder en Cataluña en el ámbito de servicios energéticos, acumulando una vasta experiencia desde su creación en 1974.” Source: RevenueBase Database · checked Sep 17, 2026
8	Grupo Trebol Energia	Partial evidence	Sant Joan Despi, SpainHQ checked Sep 17, 2026	51-200	84 contacts →
	Partial evidence “We are one of the leading energy business consultancies in Spain.” Source: RevenueBase Database · checked Sep 17, 2026
9	NESS	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	11-50	81 contacts →
	Partial evidence “NESS, empresa de servicios energéticos especializada en la gestión y ahorro energético.” Source: RevenueBase Database · checked Sep 17, 2026
10	Engel Energy	Partial evidence	Barberá, SpainHQ checked Sep 17, 2026	201-500	76 contacts →
	Partial evidence “Hola, somos Engel Energy y hacemos the good-good energy.” Source: RevenueBase Database · checked Sep 17, 2026
11	Vivendio Grupo Aconser	Partial evidence	Granada, SpainHQ checked Sep 17, 2026	51-200	73 contacts →
	Partial evidence “En Vivendio, empresa perteneciente a Grupo Aconser, nos dedicamos a la eficiencia y rehabilitación energética.” Source: RevenueBase Database · checked Sep 17, 2026
12	Azigrene Energy Consulting	Partial evidence	Valencia/valència, SpainHQ checked Sep 17, 2026	51-200	58 contacts →
	Partial evidence “Azigrene es una empresa de servicios de Consultoría e Ingeniería Energética, que desarrolla su actividad en- Reducción del coste: Definición de la mejor estrategia de compra…” Source: RevenueBase Database · checked Sep 17, 2026
13	ECOMT	Indirect evidence	A Coruña, SpainHQ checked Sep 17, 2026	51-200	57 contacts →
	Indirect evidence “We provide #SmartEnergy and #SmartBuilding solutions with a clear objective; to help companies to find balance between financial peace of mind, corporate well-being, and…” Source: RevenueBase Database · checked Sep 17, 2026
14	Smarkia	Strong evidence	León, SpainHQ checked Sep 17, 2026	51-200	53 contacts →
	Strong evidence “Smarkia is the world's leading SaaS Energy Management Platform that has (R)evolutionized the Energy Optimization paradigm, worldwide.” Source: RevenueBase Database · checked Sep 17, 2026
15	Bettergy	Partial evidence	Málaga, SpainHQ checked Sep 17, 2026	11-50	52 contacts →
	Partial evidence “betterenergy Ponemos tus datos energéticos en acción.” Source: RevenueBase Database · checked Sep 17, 2026
16	Spacewell Energy Dexma	Partial evidence	Barcelona, SpainHQ checked Sep 17, 2026	51-200	50 contacts →
	Partial evidence “Spacewell Energy is a cloud-based Energy Intelligence Platform, trusted by over organisations across 35+ countries.” Source: RevenueBase Database · checked Sep 17, 2026
17	Optimitive	Partial evidence	Vitoria-gasteiz, SpainHQ checked Sep 17, 2026	11-50	44 contacts →
	Partial evidence “OPTIMITIVE provides high-tech operational optimization solutions through Advanced Analytics and Artificial Intelligence.” Source: RevenueBase Database · checked Sep 17, 2026
18	Cambioenergetico	Partial evidence	Coria, SpainHQ checked Sep 17, 2026	51-200	42 contacts →
	Partial evidence “Especialistas en ahorro energético y eficiencia energética.” Source: RevenueBase Database · checked Sep 17, 2026
19	Neton Power	Partial evidence	Madrid, SpainHQ checked Sep 17, 2026	11-50	41 contacts →
	Partial evidence “NetOn Power offers end-to-end industrial self-consumption solutions, with no upfront economic investmentfrom the client and no interference with existing facilities, while…” Source: RevenueBase Database · checked Sep 17, 2026
20	Balantia By Iberdrola	Strong evidence	Palma De Mallorca, SpainHQ checked Sep 17, 2026	11-50	41 contacts →
	Strong evidence “BALANTIA develops turnkey projects and a wide variety of energy services to achieve energy optimization.” Source: RevenueBase Database · checked Sep 17, 2026
21	Linkener	Partial evidence	Valencia/valència, SpainHQ checked Sep 17, 2026	11-50	39 contacts →
	Partial evidence “Linkener es el Software de Gestión y Eficiencia Energética para asesores, consultoras y empresa final más avanzado del mercado.” Source: RevenueBase Database · checked Sep 17, 2026
22	Montajes Eléctricos García	Partial evidence	Zaragoza, SpainHQ checked Sep 17, 2026	201-500	38 contacts →
	Partial evidence “En MEG trabajamos con energía para aportar soluciones energéticas eficientes a nuestros clientes.” Source: RevenueBase Database · checked Sep 17, 2026
23	Grupo Emececuadrado	Partial evidence	Badajoz, SpainHQ checked Sep 17, 2026	11-50	33 contacts →
	Partial evidence “Emececuadrado es una de las principales compañías del sector energético, especializada en el asesoramiento y la optimización de recursos energéticos para empresas, organismos…” Source: RevenueBase Database · checked Sep 17, 2026
24	Naturelek Energía E Ingeniería	Partial evidence	Derio, SpainHQ checked Sep 17, 2026	51-200	30 contacts →
	Partial evidence “Somos una ingeniería y consultora especializada en eficiencia, gestión y transformación energética para empresas, con un enfoque técnico, integral y orientado a resultados.” Source: RevenueBase Database · checked Sep 17, 2026
25	Ge&pe	Partial evidence	Sevilla, SpainHQ checked Sep 17, 2026	11-50	30 contacts →
	Partial evidence “GE & PE was created in 1983 with the purpose of covering the needs and increasingly complex management and efficiency tasks related to the supply and consumption of energy by…” Source: RevenueBase Database · checked Sep 17, 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: industrial energy optimization companies. 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 industrial energy optimization companies.
Partial evidence: Its own public description names part of industrial energy optimization companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name industrial energy optimization companies. 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 920 industrial energy optimization companies based in Spain

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Industrial energy optimization companies based in Spain at a glance

As of Sep 17, 2026

9.7%Verified-email coverage

7.7Average contacts per company

1-10Median size (employees)

17.8%Largest-city concentration · Madrid

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

564

11-50

283

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 920 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 industrial energy optimization companies, 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 Spain whose own description of what they do matches “industrial energy optimization companies”. 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 industrial energy optimization companies), 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 industrial energy optimization companies, and records with no verified work email. Companies headquartered outside Spain 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, 685 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 17, 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.

Industrial energy optimization companies by metro

Industrial energy optimization companies in Madrid164
Industrial energy optimization companies in Barcelona86
Industrial energy optimization companies in Valencia41

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 industrial energy optimization companies, 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 industrial energy optimization companies are there based in Spain?

RevenueBase identified 920 industrial energy optimization companies headquartered in Spain 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?

AESA, headquartered in Barcelona, tops this list with the largest team on record.

Which city has the most industrial energy optimization companies?

Madrid leads with 164 headquartered companies, followed by Barcelona (86) and Valencia (41).

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 685 verified decision-maker contacts tracked across these 920 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 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 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.