Company lists · Data refreshed November 2026

Top 25 Clean energy transition advisors based in Spain

RevenueBase identified 195 company matches for clean energy transition advisors associated with Spain as of November 2026 and tracks 4,260 professional contacts across them, including 256 with verified work emails. Madrid is the largest hub.

This list covers company matches for clean energy transition advisors associated with Spain, 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
195Companies
4,260Contacts tracked
256Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest clean energy transition advisors based in Spain

Ranked by team size
Top 25 of 195 company matches for clean energy transition advisors based in Spain, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMóstoles, SpainHQ recorded Nov 6, 202651-200168 contacts →

Exact match

“IMDEA Energy Institute was created in 2006 by the Regional Government of Comunidad de Madrid as non-profit Foundation to promote and carry out R&D&i activities to contribute to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSant Joan Despi, SpainHQ recorded Nov 6, 202651-200100 contacts →

Exact match

“We are one of the leading energy business consultancies in Spain.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMadrid, SpainHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“Helping investors and energy companies maximise renewable asset performance while keeping risk under control.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLas Rozas De Madrid, SpainHQ recorded Nov 6, 2026201-50044 contacts →

Exact match

“We are disrupting the energy industry to change the world for better.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDerio, SpainHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“Somos una ingeniería y consultora especializada en eficiencia, gestión y transformación energética para empresas, con un enfoque técnico, integral y orientado a resultados.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBilbao, SpainHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“As an energy agency, Ente Vasco de la Energía proposes the Basque Government's energy strategies based on its technical knowledge.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBarcelona, SpainHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Somos una consultora especializada en el ámbito energético y sostenibilidad.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchGranada, SpainHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“We offer companies efficient solutions with the best consulting and engineering services in: Energy Management Energy certification and qualification of buildings Energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBarcelona, SpainHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Consultora energética dedicada al desarrollo de proyectos de Eficiencia Energética y Energías Renovables.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSeville, SpainHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“The Energy Transition is exciting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“iGU Energy nace con la vocación de contribuir en la transición energética global y promover una economía descarbonizada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSeville, SpainHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Albitel provides the widest portfolio of services to support Renewable Energy projects worldwide, from project development to owner's advisory.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBarcelona, SpainHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Biosphere Flux es una empresa de la nueva economía, formada por jóvenes emprendedores y que está resuelta en el fomento de las tecnologías en EFICIENCIA ENERGÉTICA y en la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBarcelona, SpainHQ recorded Nov 6, 2026501-1,00017 contacts →

Exact match

“Desde 2009, GreenFlex es el socio clave en la transformación energética, medioambiental y social de las organizaciones, permitiéndoles cambiar su trayectoria hacia una economía…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLeioa, SpainHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Desde el año 2006, en Grupo Bikote Solar, asesoramos y acompañamos a las empresas en su objetivo de ser más competitivas y sostenibles.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Kira Ventures is an advisory, development and asset management firm that identifies and accelerates new investment opportunities in the transition to a new economic model driven…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“MRC Consultants and Transaction Advisers is a consultancy, based in Spain, and started in 2014.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMadrid, SpainHQ recorded Nov 6, 20261-1015 contacts →

Exact match

“La Fundación Renovables es un movimiento ciudadano sin ánimo de lucro que promueve el cambio hacia un nuevo modelo energético basado en el ahorro, la eficiencia y las renovables…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPaterna, SpainHQ recorded Nov 6, 202651-20013 contacts →

Exact match

“Somos una empresa especializada en ENERGÍAS RENOVABLES comprometida con el MEDIO AMBIENTE y el DESARROLLO SOSTENIBLE.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchTerrassa, SpainHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“A Km0 Energy apliquem els nostres coneixements, esforços i experiència en el sector de l’energia per oferir solucions reals al sector públic i privat per una energia neta…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBarcelona, SpainHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“CAST] Te acompañamos en el camino hacia las emisiones cerø, haciendo de la transición energética una oportunidad.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSalt, SpainHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Audit es una empresa cuyo objetivo es liderar la transición energética a través de nuestro equipo de ingeniería energética.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLos Palacios Y Villafranca, SpainHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Hacemos realidad tus proyectos de energía renovables”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMálaga, SpainHQ recorded Nov 6, 20261-107 contacts →

Exact match

“olivoENERGY, european energy strategy consulting has its focus on energy and mobility and it translates EU energy policy and directives into guidance towards the energy transition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMadrid, SpainHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Siembra Energía Social es una consultora especializada en gestión social de proyectos de energías renovables e industriales.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 195 clean energy transition advisors based in Spain

See the full list, filter by size, metro and specialty, and access 256 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Clean energy transition advisors based in Spain at a glance

As of Nov 6, 2026
6.0%Verified-email coverage
21.8Average contacts per company
1-10Median size (employees)
27.2%Largest-city concentration · Madrid
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
120
11-50
59
51-200
9
201-500
1
501-1,000
2
1,001-5,000
2
10001+
2

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 195 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 Spain whose business descriptions match “clean energy transition advisors” 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 256 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 “clean energy transition advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many clean energy transition advisors are there based in Spain?

RevenueBase identified 195 company matches for clean energy transition advisors associated with Spain 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?

Imdea Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most clean energy transition advisors?

Madrid leads with 53 company records, followed by Barcelona (30) and Malaga (8).

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 256 professional contacts with verified work emails tracked across these 195 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.

Ready to reach these companies? Verified emails and direct dials for all 195 clean energy transition advisors based in Spain. Start with a free account, no credit card.

Download this list →

Related 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 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.