Company lists · Data refreshed September 2026
Top 17 Cleantech venture capital firms based in Spain
RevenueBase identified 44 company matches for cleantech venture capital firms associated with Spain as of September 2026 and tracks 737 professional contacts across them, including 126 with verified work emails. Madrid is the largest hub.
This list covers company matches for cleantech venture capital firms 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 September 21, 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.
The 17 largest cleantech venture capital firms based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 147 contacts → | ||||
Exact match “Matrix Renewables is a global renewable energy platform created and backed by global alternative asset manager TPG and its $31 billion impact-investing platform.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 60 contacts → | ||||
Exact match “Helping investors and energy companies maximise renewable asset performance while keeping risk under control.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 33 contacts → | ||||
Exact match “INGENIUM GROUP is an international energy group specialized in the development and investment in renewable energy projects, with a presence in Italy, Spain, and Germany.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 14 contacts → | ||||
Exact match “A platform that integrates vision and execution capabilities with a vast track record in the energy sector.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 11 contacts → | ||||
Exact match “Alter5 is an investment platform that caters to institutional investors in the renewable energy sector, focusing on utility-scale solar and wind projects, as well as…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 9 contacts → | ||||
Exact match “Mediterranean Renewables SGEIC SA (MedRen) in an Independent investment management firm with a dedicated emphasis on investing within the renewable energy generation and energy…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 7 contacts → | ||||
Exact match “Frontier Renewables is a global investment management firm focused on investing in renewable energy infrastructure projects to help accelerate the world’s clean energy transition.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 5 contacts → | ||||
Exact match “Desarrollamos proyectos globales de energías renovables y comunicaciones, creando alianzas con actores estratégicos en los países donde operamos.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 5 contacts → | ||||
Exact match “The Fondo Bolsa Social is a venture capital fund that invests in young companies that generate a positive social and environmental impact.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 4 contacts → | ||||
Exact match “Investing and accelerating energy projects to boost energy transition A Corporate Venture Capital that invests and accelerates startups, projects and disruptive technologies to…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 4 contacts → | ||||
Exact match “At HydroH2, we believe that the greatest challenges of our time create the most significant opportunities.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 3 contacts → | ||||
Exact match “SENERGY HOLDING GROUP es un grupo inversor español presente en diversos sectores como energía, agricultura e industria que, con el esfuerzo de un gran equipo de profesionales, ha…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 3 contacts → | ||||
Exact match “Green Tie Capital® was constituted in 2019 by a group of experts in various fields (legal, tax, technical, financial) related to the investment and divestment, management, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “Renewable Development - Investment - Advisory Sectors - Renewable Energy and Sustainable Development - Tech Startups” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “Qonsius Capital is a Madrid-based strategic advisory and venture building firm focused on the cleantech sector.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “Alium Technologies is a clean energy project development company founded in 2018 by a team of professionals with more than twenty years of experience in the renewable and energy…” Recorded in the RevenueBase company graph · Sep 21, 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 “cleantech venture capital firms”. 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 17 of 44 cleantech venture capital firms based in Spain
See the full list, filter by size, metro and specialty, and access 126 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cleantech venture capital firms based in Spain at a glance
As of Sep 21, 2026Companies by employee count
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 44 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 “cleantech venture capital firms” 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 126 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 21, 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 “cleantech venture capital firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cleantech venture capital firms are there based in Spain?
RevenueBase identified 44 company matches for cleantech venture capital firms associated with Spain 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?
Matrix Renewables tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most cleantech venture capital firms?
Madrid leads with 20 company records, followed by Barcelona (5) and Seville (3).
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 126 professional contacts with verified work emails tracked across these 44 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 44 cleantech venture capital firms based in Spain. Start with a free account, no credit card.
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Cleantech venture capital firms by geography
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- Cleantech venture capital firms based in Germany
- Cleantech venture capital firms based in India
- Cleantech venture capital firms based in Italy
- Cleantech venture capital firms based in the Netherlands
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.
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Company intelligence · public preview
Top 17 cleantech venture capital firms based in Spain
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 44 matching company records for cleantech venture capital firms based in Spain, with 737 tracked contacts and 126 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 17 cleantech venture capital firms based in Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Matrix Renewablesmatrixrenewables.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 147 contacts → |
“Matrix Renewables is a global renewable energy platform created and backed by global alternative asset manager TPG and its $31 billion impact-investing platform.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Bluetree Groupbluetree.groupHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 60 contacts → |
“Helping investors and energy companies maximise renewable asset performance while keeping risk under control.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ingeniumingeniumren.comHQ: Valencia, SpainReported employees: 11-50 | Valencia, Spain | 11-50 | Exact match | 33 contacts → |
“INGENIUM GROUP is an international energy group specialized in the development and investment in renewable energy projects, with a presence in Italy, Spain, and Germany.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Green Mind Venturesgreenmindventures.comHQ: Pozuelo De Alarcón, SpainReported employees: 11-50 | Pozuelo De Alarcón, Spain | 11-50 | Exact match | 14 contacts → |
“A platform that integrates vision and execution capabilities with a vast track record in the energy sector.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Alter5alter5.comHQ: Madrid, SpainReported employees: 1-10 | Madrid, Spain | 1-10 | Exact match | 11 contacts → |
“Alter5 is an investment platform that caters to institutional investors in the renewable energy sector, focusing on utility-scale solar and wind projects, as well as…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Medrenmedren.energyHQ: Madrid, SpainReported employees: 1-10 | Madrid, Spain | 1-10 | Exact match | 9 contacts → |
“Mediterranean Renewables SGEIC SA (MedRen) in an Independent investment management firm with a dedicated emphasis on investing within the renewable energy generation and energy…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Frontier Renewablesfrontier-renewables.comHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 7 contacts → |
“Frontier Renewables is a global investment management firm focused on investing in renewable energy infrastructure projects to help accelerate the world’s clean energy transition.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Naiad Renovablesnaiad.esHQ: Palma De Mallorca, SpainReported employees: 11-50 | Palma De Mallorca, Spain | 11-50 | Exact match | 5 contacts → |
“Desarrollamos proyectos globales de energías renovables y comunicaciones, creando alianzas con actores estratégicos en los países donde operamos.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Fondo Bolsa Socialbolsasocial.fundHQ: Madrid, SpainReported employees: 1-10 | Madrid, Spain | 1-10 | Exact match | 5 contacts → |
“The Fondo Bolsa Social is a venture capital fund that invests in young companies that generate a positive social and environmental impact.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Enagás Emprendeemprende.enagas.esHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 4 contacts → |
“Investing and accelerating energy projects to boost energy transition A Corporate Venture Capital that invests and accelerates startups, projects and disruptive technologies to…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Hydroh2hydroh2.comHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 4 contacts → |
“At HydroH2, we believe that the greatest challenges of our time create the most significant opportunities.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Senergy Holding Groupsenergyrenovables.comHQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 3 contacts → |
“SENERGY HOLDING GROUP es un grupo inversor español presente en diversos sectores como energía, agricultura e industria que, con el esfuerzo de un gran equipo de profesionales, ha…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  The Green TIE Capitalgreentiecapital.comHQ: Seville, SpainReported employees: 11-50 | Seville, Spain | 11-50 | Exact match | 3 contacts → |
“Green Tie Capital® was constituted in 2019 by a group of experts in various fields (legal, tax, technical, financial) related to the investment and divestment, management, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Odenraodenra.comHQ: Arnedo, SpainReported employees: 1-10 | Arnedo, Spain | 1-10 | Exact match | 3 contacts → |
“Renewable Development - Investment - Advisory Sectors - Renewable Energy and Sustainable Development - Tech Startups” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Qonsiusqonsius.comHQ: Las Rozas De Madrid, SpainReported employees: 1-10 | Las Rozas De Madrid, Spain | 1-10 | Exact match | 3 contacts → |
“Qonsius Capital is a Madrid-based strategic advisory and venture building firm focused on the cleantech sector.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  CNC Inversionescncinversiones.comHQ: Benalmadena, SpainReported employees: 1-10 | Benalmadena, Spain | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  Alium Technologiesaliumtechnologies.comHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 2 contacts → |
“Alium Technologies is a clean energy project development company founded in 2018 by a team of professionals with more than twenty years of experience in the renewable and energy…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 44 company matches
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Cleantech venture capital firms: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
44 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 44 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for cleantech venture capital firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cleantech venture capital firms did RevenueBase find based in Spain?
The saved snapshot records 44 matching company records, 737 tracked contacts and 126 verified emails. The public preview displays 17 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cleantech venture capital firms by geography
- Cleantech venture capital firms based in Houston, United States
- Cleantech venture capital firms based in New York, United States
- Cleantech venture capital firms based in San Francisco, United States
- Cleantech venture capital firms based in Australia
- Cleantech venture capital firms based in Brazil
- Cleantech venture capital firms based in Canada
- Cleantech venture capital firms based in China
- Cleantech venture capital firms based in France
- Cleantech venture capital firms based in Germany
- Cleantech venture capital firms based in India
- Cleantech venture capital firms based in Italy
- Cleantech venture capital firms based in the Netherlands
Cite this list
RevenueBase Data Team. Top 17 cleantech venture capital firms based in Spain. Snapshot: September 21, 2026. https://revenuebase.ai/companies/cleantech-venture-capital-firms/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cleantech venture capital firms based in Houston, United States
- Cleantech venture capital firms based in New York, United States
- Cleantech venture capital firms based in San Francisco, United States
- Cleantech venture capital firms based in Australia
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Company intelligence · public preview
Top 17 cleantech venture capital firms based in Spain
RevenueBase records 44 matching company records for cleantech venture capital firms based in Spain, with 737 tracked contacts and 126 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 17 cleantech venture capital firms based in Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Matrix Renewablesmatrixrenewables.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 147 contacts → |
“Matrix Renewables is a global renewable energy platform created and backed by global alternative asset manager TPG and its $31 billion impact-investing platform.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Bluetree Groupbluetree.group HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 60 contacts → |
“Helping investors and energy companies maximise renewable asset performance while keeping risk under control.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ingeniumingeniumren.com HQ: Valencia, SpainReported employees: 11-50 | Valencia, Spain | 11-50 | Exact match | 33 contacts → |
“INGENIUM GROUP is an international energy group specialized in the development and investment in renewable energy projects, with a presence in Italy, Spain, and Germany.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Green Mind Venturesgreenmindventures.com HQ: Pozuelo De Alarcón, SpainReported employees: 11-50 | Pozuelo De Alarcón, Spain | 11-50 | Exact match | 14 contacts → |
“A platform that integrates vision and execution capabilities with a vast track record in the energy sector.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Alter5alter5.com HQ: Madrid, SpainReported employees: 1-10 | Madrid, Spain | 1-10 | Exact match | 11 contacts → |
“Alter5 is an investment platform that caters to institutional investors in the renewable energy sector, focusing on utility-scale solar and wind projects, as well as…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Medrenmedren.energy HQ: Madrid, SpainReported employees: 1-10 | Madrid, Spain | 1-10 | Exact match | 9 contacts → |
“Mediterranean Renewables SGEIC SA (MedRen) in an Independent investment management firm with a dedicated emphasis on investing within the renewable energy generation and energy…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Frontier Renewablesfrontier-renewables.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 7 contacts → |
“Frontier Renewables is a global investment management firm focused on investing in renewable energy infrastructure projects to help accelerate the world’s clean energy transition.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Naiad Renovablesnaiad.es HQ: Palma De Mallorca, SpainReported employees: 11-50 | Palma De Mallorca, Spain | 11-50 | Exact match | 5 contacts → |
“Desarrollamos proyectos globales de energías renovables y comunicaciones, creando alianzas con actores estratégicos en los países donde operamos.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Fondo Bolsa Socialbolsasocial.fund HQ: Madrid, SpainReported employees: 1-10 | Madrid, Spain | 1-10 | Exact match | 5 contacts → |
“The Fondo Bolsa Social is a venture capital fund that invests in young companies that generate a positive social and environmental impact.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Enagás Emprendeemprende.enagas.es HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 4 contacts → |
“Investing and accelerating energy projects to boost energy transition A Corporate Venture Capital that invests and accelerates startups, projects and disruptive technologies to…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hydroh2hydroh2.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 4 contacts → |
“At HydroH2, we believe that the greatest challenges of our time create the most significant opportunities.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Senergy Holding Groupsenergyrenovables.com HQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 3 contacts → |
“SENERGY HOLDING GROUP es un grupo inversor español presente en diversos sectores como energía, agricultura e industria que, con el esfuerzo de un gran equipo de profesionales, ha…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | The Green TIE Capitalgreentiecapital.com HQ: Seville, SpainReported employees: 11-50 | Seville, Spain | 11-50 | Exact match | 3 contacts → |
“Green Tie Capital® was constituted in 2019 by a group of experts in various fields (legal, tax, technical, financial) related to the investment and divestment, management, and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Odenraodenra.com HQ: Arnedo, SpainReported employees: 1-10 | Arnedo, Spain | 1-10 | Exact match | 3 contacts → |
“Renewable Development - Investment - Advisory Sectors - Renewable Energy and Sustainable Development - Tech Startups” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Qonsiusqonsius.com HQ: Las Rozas De Madrid, SpainReported employees: 1-10 | Las Rozas De Madrid, Spain | 1-10 | Exact match | 3 contacts → |
“Qonsius Capital is a Madrid-based strategic advisory and venture building firm focused on the cleantech sector.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | CNC Inversionescncinversiones.com HQ: Benalmadena, SpainReported employees: 1-10 | Benalmadena, Spain | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Alium Technologiesaliumtechnologies.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 2 contacts → |
“Alium Technologies is a clean energy project development company founded in 2018 by a team of professionals with more than twenty years of experience in the renewable and energy…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Cleantech venture capital firms: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
44 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 44 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for cleantech venture capital firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cleantech venture capital firms did RevenueBase find based in Spain?
The saved snapshot records 44 matching company records, 737 tracked contacts and 126 verified emails. The public preview displays 17 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 17 cleantech venture capital firms based in Spain. Snapshot: September 21, 2026. https://revenuebase.ai/companies/cleantech-venture-capital-firms/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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