Company lists · Data refreshed October 2026

Top 23 Clean energy transition advisors based in Madrid, Spain

RevenueBase identified 80 company matches for clean energy transition advisors associated with Madrid, Spain as of October 2026 and tracks 1,187 professional contacts across them, including 144 with verified work emails. Across Spain, Madrid is the largest hub for this category.

This list covers company matches for clean energy transition advisors associated with Madrid, 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 October 9, 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 Oct 9, 2026 How this list was built
80Companies
1,187Contacts tracked
144Verified emails
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The 23 largest clean energy transition advisors based in Madrid, Spain

Ranked by team size
Top 23 of 80 company matches for clean energy transition advisors based in Madrid, Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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 matchMadrid, SpainHQ recorded Oct 9, 202651-200250 contacts →

Exact match

“VALORA is a consulting company who focus its activity towards a new professional innovative and thrilling challenge.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2Exact matchMadrid, SpainHQ recorded Oct 9, 202651-200168 contacts →

Exact match

“MAI has been in international consultancy for over 25 years driving energy and environmental project around the world, helping to design and plan reliable supply systems based on…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3Exact matchMadrid, SpainHQ recorded Oct 9, 202651-20066 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4Exact matchMadrid, SpainHQ recorded Oct 9, 202651-20052 contacts →

Exact match

“SferaOne, parte del Grupo Diggia, es una empresa que realiza actividades de proyección global desde 2002, especializada en la transición Energética desarrollando trabajos de…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5Exact matchMadrid, SpainHQ recorded Oct 9, 202611-5046 contacts →

Exact match

“Transcendent es una consultora estratégica de Impacto y sostenibilidad.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6Exact matchMadrid, SpainHQ recorded Oct 9, 202611-5045 contacts →

Exact match

“G-advisory - Consultoría estratégica en Energía y ESG Filial de Garrigues que ofrece asesoramiento técnico, económico y estratégico en todo tipo de energías y servicios de ESG.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7Exact matchMadrid, SpainHQ recorded Oct 9, 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 · Oct 9, 2026 · View company records in RevenueBase
8Exact matchMadrid, SpainHQ recorded Oct 9, 202611-5018 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 · Oct 9, 2026 · View company records in RevenueBase
9Exact matchMadrid, SpainHQ recorded Oct 9, 20261-1016 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 · Oct 9, 2026 · View company records in RevenueBase
10Exact matchMadrid, SpainHQ recorded Oct 9, 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 · Oct 9, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Oct 9, 20261-1013 contacts →

Exact match

“Climate change is an urgent reality, threatening lives, livelihoods, and future prosperity.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12Exact matchMadrid, SpainHQ recorded Oct 9, 20261-1012 contacts →

Exact match

“We are a strategic consulting firm, specialized in Sustainability.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchMadrid, SpainHQ recorded Oct 9, 202611-5011 contacts →

Exact match

“Ingenature | Sostenibilidad estratégica para real estate En Ingenature ayudamos a promotores e inversores a financiar, reducir riesgos y aumentar el valor de sus activos mediante…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchMadrid, SpainHQ recorded Oct 9, 20261-1010 contacts →

Exact match

“conese es la firma de consultoría que acompaña a las organizaciones en su camino hacia la integración de la sostenibilidad en su estrategia empresarial.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchMadrid, SpainHQ recorded Oct 9, 20261-108 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 · Oct 9, 2026 · View company records in RevenueBase
16Exact matchMadrid, SpainHQ recorded Oct 9, 20261-106 contacts →

Exact match

“Blue Synergy emerged from the need of engaging long-term sustainability in the environmental and social domains with economic benefits for the stakeholders involved, from…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17Exact matchMadrid, SpainHQ recorded Oct 9, 20261-105 contacts →

Exact match

“Climate Strategy is a leading policy advisory and consulting firm specialised in the strategies, markets and opportunities created by the need to combat climate change.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18Exact matchMadrid, SpainHQ recorded Oct 9, 202611-504 contacts →

Exact match

“Supporting the energy transition towards a future powered by sustainable energy”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19Exact matchMadrid, SpainHQ recorded Oct 9, 20261-104 contacts →

Exact match

“We implement a consultancy and management service for innovative and sustainable projects.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20Exact matchMadrid, SpainHQ recorded Oct 9, 20261-102 contacts →

Exact match

“Acompañamos y asesoramos a las organizaciones en su camino hacía la transformación sostenible.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21Exact matchMadrid, SpainHQ recorded Oct 9, 202611-501 contacts →

Exact match

“Somos un equipo con mas de 20 años de experiencia en el sector energético.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22Exact matchMadrid, SpainHQ recorded Oct 9, 20261-101 contacts →

Exact match

“The key purpose of SUST4IN is to support our clients on their sustainability journey through innovative sustainability solutions in four areas: information, consulting, training…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23Exact matchMadrid, SpainHQ recorded Oct 9, 20261-101 contacts →

Exact match

“Somos una consultora especializada en sostenibilidad e ingeniería ambiental, dedicada a potenciar la competitividad de las organizaciones mediante la integración estratégica de la…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

Showing 23 of 80 clean energy transition advisors based in Madrid, Spain

See the full list, filter by size, metro and specialty, and access 144 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Clean energy transition advisors based in Madrid, Spain at a glance

As of Oct 9, 2026
12.1%Verified-email coverage
14.8Average contacts per company
1-10Median size (employees)
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
50
11-50
22
51-200
7
1,001-5,000
1

Email recency for this list is measured across the whole Spain list rather than for Madrid, so it is reported there. Company counts and contact totals on this page are exact for Madrid, over 80 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 Madrid, 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 144 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 October 9, 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.

Clean energy transition advisors by metro in Spain

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 Madrid, Spain?

RevenueBase identified 80 company matches for clean energy transition advisors associated with Madrid, Spain as of October 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?

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

Which city in Spain has the most clean energy transition advisors?

Madrid leads Spain with 80 company records, followed by Barcelona (41) and Valencia (17).

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 144 professional contacts with verified work emails tracked across these 80 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 October 9, 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.