Company lists · Data refreshed November 2026
Top 25 Clean tech investors worldwide
RevenueBase identified 1,561 company matches for clean tech investors worldwide as of November 2026 and tracks 16,818 professional contacts across them, including 6,087 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for clean tech investors worldwide, 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. Country and city lists for clean tech investors follow the table.
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 25 largest clean tech investors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,113 contacts → | ||||
Exact match “Established in 2006, Masdar is a global clean energy leader, transforming how the world produces and consumes energy through bold innovation and commercial excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,060 contacts → | ||||
Exact match “Na CTG Brasil, trabalhamos por um único propósito: desenvolver o mundo com energia limpa em larga escala.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 231 contacts → | ||||
Exact match “HASI invests in sustainable infrastructure assets advancing the energy transition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 206 contacts → | ||||
Exact match “Indian Renewable Energy Development Agency Ltd Indian Renewable Energy Development Agency Limited (IREDA) was established on 11th March, 1987 as a Public limited Government…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 202 contacts → | ||||
Exact match “Norfund is the Norwegian Investment Fund for developing countries, investing to create jobs, improve lives and support the transition to net zero.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 188 contacts → | ||||
Exact match “Enerjide kendi kendine yeten bir dünya için temiz enerji üretiyoruz, sürdürülebilirlik ilkeleri ve kalkınma amaçları doğrultusunda, sürekli gelişim odaklı çalışarak, etki…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 181 contacts → | ||||
Exact match “The CEFC is Australia’s specialist climate investor, helping cut emissions in the race towards net zero by 2050.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 173 contacts → | ||||
Exact match “At Octopus Energy Generation, we’re building green power for the future, from large-scale solar to onshore and offshore wind, and innovative initiatives like the Fan Club.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 173 contacts → | ||||
Exact match “Realizar proyectos de energía limpia y renovable en diversos países del mundo, mediante procesos productivos innovadores y rentables, alineados con la protección medioambiental y…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 156 contacts → | ||||
Exact match “The Massachusetts Clean Energy Center is a state economic development agency dedicated to accelerating the growth of the clean energy and climatetech sector across the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 153 contacts → | ||||
Exact match “Breakthrough Energy backs companies developing the next generation of clean energy solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 149 contacts → | ||||
Exact match “Energy Impact Partners LP (EIP) is a global energy technology investor with a proprietary model designed to drive innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 143 contacts → | ||||
Exact match “New Energy Nexus (NEX) is the world's leading ecosystem of funds and accelerators supporting diverse clean energy entrepreneurs to thrive, from emerging tech through to clean…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 137 contacts → | ||||
Exact match “ECP (Energy Capital Partners) is an investor in critical infrastructure focused on electrification, decarbonization, reliability and sustainability.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 128 contacts → | ||||
Exact match “Crux is the capital platform for the clean economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 121 contacts → | ||||
Exact match “Energy Infrastructure Partners invests in energy infrastructure for decades to create exceptional value for our clients and partners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 108 contacts → | ||||
Exact match “Finnfund is a Finnish development financier and impact investor.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 98 contacts → | ||||
Exact match “Omnes is a leading European private equity firm dedicated to the energy transition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 98 contacts → | ||||
Exact match “At Source Code Capital, we devote ourselves to becoming the partner of choice for world-class entrepreneurs leading today’s business transformations and technological developments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 96 contacts → | ||||
Exact match “Alcazar Energy Partners (“AEP”) is a leading independent sustainable infrastructure fund manager specialising in utility-scale renewable energy projects in growth markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 95 contacts → | ||||
Exact match “We want to be a role model that contributes to accelerating the green transition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 94 contacts → | ||||
Exact match “Creemos en un futuro sostenible.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 82 contacts → | ||||
Exact match “Technology, Financing, Renewables Delivering and financing distributed green assets” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 76 contacts → | ||||
Exact match “We are a Swiss-based investment company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 72 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 | |||||
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 “clean tech investors”. 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 25 of 1,561 clean tech investors worldwide
See the full list, filter by size, metro and specialty, and access 6,087 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Clean tech investors worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for clean tech investors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “clean tech investors” 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. 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 6,087 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.
Clean tech investors by location
17 lists · largest firstEvery Clean tech investors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Clean tech investors based in the United States345
- Clean tech investors based in the United Kingdom135
- Clean tech investors based in Germany53
- Clean tech investors based in India45
- Clean tech investors based in Canada43
- Clean tech investors based in Australia39
- Clean tech investors based in Spain31
- Clean tech investors based in the United Arab Emirates30
- Clean tech investors based in Switzerland29
- Clean tech investors based in Türkiye29
- Clean tech investors based in the Netherlands28
- Clean tech investors based in Italy27
- Clean tech investors based in France26
- Clean tech investors based in Norway26
Cities
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 tech investors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many clean tech investors are there worldwide?
RevenueBase identified 1,561 company matches for clean tech investors worldwide 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?
Masdar ABU Dhabi Future Energy Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most clean tech investors?
The United States leads with 345 companies, followed by the United Kingdom (135) and Germany (53). Every clean tech investors list by country and city is linked on this page.
Which city has the most clean tech investors?
London leads with 100 company records, followed by New York (50) and Singapore (30).
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 6,087 professional contacts with verified work emails tracked across these 1,561 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 1,561 clean tech investors worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 clean tech investors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,561 matching company records for clean tech investors worldwide, with 16,818 tracked contacts and 6,087 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 25 clean tech investors worldwide
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 | HQ: Abu Dhabi, United Arab EmiratesReported employees: 501-1,000 | Abu Dhabi, United Arab Emirates | 501-1,000 | Exact match | 1,113 contacts → |
“Established in 2006, Masdar is a global clean energy leader, transforming how the world produces and consumes energy through bold innovation and commercial excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  CTG Brasilctgbr.com.brHQ: Sao Paulo, BrazilReported employees: 501-1,000 | Sao Paulo, Brazil | 501-1,000 | Exact match | 1,060 contacts → |
“Na CTG Brasil, trabalhamos por um único propósito: desenvolver o mundo com energia limpa em larga escala.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  HASIhasi.comHQ: Annapolis, NY, United StatesReported employees: 51-200 | Annapolis, NY, United States | 51-200 | Exact match | 231 contacts → |
“HASI invests in sustainable infrastructure assets advancing the energy transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ireda LTDireda.inHQ: IndiaReported employees: 51-200 | India | 51-200 | Exact match | 206 contacts → |
“Indian Renewable Energy Development Agency Ltd Indian Renewable Energy Development Agency Limited (IREDA) was established on 11th March, 1987 as a Public limited Government…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Norfundnorfund.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 202 contacts → |
“Norfund is the Norwegian Investment Fund for developing countries, investing to create jobs, improve lives and support the transition to net zero.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Kalyon Enerjikalyonenerji.comHQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 188 contacts → |
“Enerjide kendi kendine yeten bir dünya için temiz enerji üretiyoruz, sürdürülebilirlik ilkeleri ve kalkınma amaçları doğrultusunda, sürekli gelişim odaklı çalışarak, etki…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Clean Energy Finance Corporationcefc.com.auHQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 181 contacts → |
“The CEFC is Australia’s specialist climate investor, helping cut emissions in the race towards net zero by 2050.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Octopus Energy Generationoctopusenergygeneration.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 173 contacts → |
“At Octopus Energy Generation, we’re building green power for the future, from large-scale solar to onshore and offshore wind, and innovative initiatives like the Fan Club.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Genesis Solar, Tech & Securitygenesistechsolarpr.comHQ: Carolina, Puerto RicoReported employees: 5,001-10,000 | Carolina, Puerto Rico | 5,001-10,000 | Exact match | 173 contacts → |
“Realizar proyectos de energía limpia y renovable en diversos países del mundo, mediante procesos productivos innovadores y rentables, alineados con la protección medioambiental y…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Massachusetts Clean Energy Centermasscec.comHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 156 contacts → |
“The Massachusetts Clean Energy Center is a state economic development agency dedicated to accelerating the growth of the clean energy and climatetech sector across the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Breakthrough Energybreakthroughenergy.orgHQ: Kirkland, United StatesReported employees: 51-200 | Kirkland, United States | 51-200 | Exact match | 153 contacts → |
“Breakthrough Energy backs companies developing the next generation of clean energy solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Energy Impact Partnersenergyimpactpartners.comHQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 149 contacts → |
“Energy Impact Partners LP (EIP) is a global energy technology investor with a proprietary model designed to drive innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  NEW Energy Nexusnewenergynexus.comHQ: Berkeley, CA, United StatesReported employees: 51-200 | Berkeley, CA, United States | 51-200 | Exact match | 143 contacts → |
“New Energy Nexus (NEX) is the world's leading ecosystem of funds and accelerators supporting diverse clean energy entrepreneurs to thrive, from emerging tech through to clean…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ECP Energy Capital Partnersecpgp.comHQ: Summit, CA, United StatesReported employees: 51-200 | Summit, CA, United States | 51-200 | Exact match | 137 contacts → |
“ECP (Energy Capital Partners) is an investor in critical infrastructure focused on electrification, decarbonization, reliability and sustainability.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  CRUXcruxclimate.comHQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 128 contacts → |
“Crux is the capital platform for the clean economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Energy Infrastructure Partnersenergy-infrastructure-partners.comHQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 121 contacts → |
“Energy Infrastructure Partners invests in energy infrastructure for decades to create exceptional value for our clients and partners.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Finnfundfinnfund.fiHQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 108 contacts → |
“Finnfund is a Finnish development financier and impact investor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  OMNESomnescapital.comHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 98 contacts → |
“Omnes is a leading European private equity firm dedicated to the energy transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Source Code Capitalsourcecodecap.comHQ: 北京, ChinaReported employees: 51-200 | 北京, China | 51-200 | Exact match | 98 contacts → |
“At Source Code Capital, we devote ourselves to becoming the partner of choice for world-class entrepreneurs leading today’s business transformations and technological developments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Alcazar Energy Partnersalcazarenergy.comHQ: Podgorica, LuxembourgReported employees: 51-200 | Podgorica, Luxembourg | 51-200 | Exact match | 96 contacts → |
“Alcazar Energy Partners (“AEP”) is a leading independent sustainable infrastructure fund manager specialising in utility-scale renewable energy projects in growth markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Momentum Energy Group A Smomentumgreenenergy.comHQ: Roskilde, DenmarkReported employees: 51-200 | Roskilde, Denmark | 51-200 | Exact match | 95 contacts → |
“We want to be a role model that contributes to accelerating the green transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Soleniumsolenium.co HQ: Medellin, ColombiaReported employees: 11-50 | Medellin, Colombia | 11-50 | Exact match | 94 contacts → |
“Creemos en un futuro sostenible.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Solfinsolfin.co.inHQ: Gurgaon, IndiaReported employees: 51-200 | Gurgaon, India | 51-200 | Exact match | 82 contacts → |
“Technology, Financing, Renewables Delivering and financing distributed green assets” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Smartenergysmartenergy.netHQ: Wollerau, ItalyReported employees: 201-500 | Wollerau, Italy | 201-500 | Exact match | 76 contacts → |
“We are a Swiss-based investment company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Bluetree Groupbluetree.groupHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 72 contacts → |
“Helping investors and energy companies maximise renewable asset performance while keeping risk under control.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,561 company matches
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Clean tech investors: dataset insights
November 6, 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
1,548 records in the displayed employee bands.
13 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,561 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: November 6, 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 ↗
Clean tech investors by location
17 lists · largest firstEvery Clean tech investors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Clean tech investors based in the United States345
- Clean tech investors based in the United Kingdom135
- Clean tech investors based in Germany53
- Clean tech investors based in India45
- Clean tech investors based in Canada43
- Clean tech investors based in Australia39
- Clean tech investors based in Spain31
- Clean tech investors based in the United Arab Emirates30
- Clean tech investors based in Switzerland29
- Clean tech investors based in Türkiye29
- Clean tech investors based in the Netherlands28
- Clean tech investors based in Italy27
- Clean tech investors based in France26
- Clean tech investors based in Norway26
Cities
Questions about this company list
What does Exact match mean for clean tech investors?
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 clean tech investors did RevenueBase find worldwide?
The saved snapshot records 1,561 matching company records, 16,818 tracked contacts and 6,087 verified emails. The public preview displays 25 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: November 6, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 clean tech investors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/clean-tech-investors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 clean tech investors worldwide
RevenueBase records 1,561 matching company records for clean tech investors worldwide, with 16,818 tracked contacts and 6,087 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 25 clean tech investors worldwide
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 | HQ: Abu Dhabi, United Arab EmiratesReported employees: 501-1,000 | Abu Dhabi, United Arab Emirates | 501-1,000 | Exact match | 1,113 contacts → |
“Established in 2006, Masdar is a global clean energy leader, transforming how the world produces and consumes energy through bold innovation and commercial excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | CTG Brasilctgbr.com.br HQ: Sao Paulo, BrazilReported employees: 501-1,000 | Sao Paulo, Brazil | 501-1,000 | Exact match | 1,060 contacts → |
“Na CTG Brasil, trabalhamos por um único propósito: desenvolver o mundo com energia limpa em larga escala.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HASIhasi.com HQ: Annapolis, NY, United StatesReported employees: 51-200 | Annapolis, NY, United States | 51-200 | Exact match | 231 contacts → |
“HASI invests in sustainable infrastructure assets advancing the energy transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ireda LTDireda.in HQ: IndiaReported employees: 51-200 | India | 51-200 | Exact match | 206 contacts → |
“Indian Renewable Energy Development Agency Ltd Indian Renewable Energy Development Agency Limited (IREDA) was established on 11th March, 1987 as a Public limited Government…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Norfundnorfund.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 202 contacts → |
“Norfund is the Norwegian Investment Fund for developing countries, investing to create jobs, improve lives and support the transition to net zero.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Kalyon Enerjikalyonenerji.com HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 188 contacts → |
“Enerjide kendi kendine yeten bir dünya için temiz enerji üretiyoruz, sürdürülebilirlik ilkeleri ve kalkınma amaçları doğrultusunda, sürekli gelişim odaklı çalışarak, etki…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Clean Energy Finance Corporationcefc.com.au HQ: Sydney, AustraliaReported employees: 51-200 | Sydney, Australia | 51-200 | Exact match | 181 contacts → |
“The CEFC is Australia’s specialist climate investor, helping cut emissions in the race towards net zero by 2050.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Octopus Energy Generationoctopusenergygeneration.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 173 contacts → |
“At Octopus Energy Generation, we’re building green power for the future, from large-scale solar to onshore and offshore wind, and innovative initiatives like the Fan Club.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Genesis Solar, Tech & Securitygenesistechsolarpr.com HQ: Carolina, Puerto RicoReported employees: 5,001-10,000 | Carolina, Puerto Rico | 5,001-10,000 | Exact match | 173 contacts → |
“Realizar proyectos de energía limpia y renovable en diversos países del mundo, mediante procesos productivos innovadores y rentables, alineados con la protección medioambiental y…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Massachusetts Clean Energy Centermasscec.com HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 156 contacts → |
“The Massachusetts Clean Energy Center is a state economic development agency dedicated to accelerating the growth of the clean energy and climatetech sector across the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Breakthrough Energybreakthroughenergy.org HQ: Kirkland, United StatesReported employees: 51-200 | Kirkland, United States | 51-200 | Exact match | 153 contacts → |
“Breakthrough Energy backs companies developing the next generation of clean energy solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Energy Impact Partnersenergyimpactpartners.com HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 149 contacts → |
“Energy Impact Partners LP (EIP) is a global energy technology investor with a proprietary model designed to drive innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | NEW Energy Nexusnewenergynexus.com HQ: Berkeley, CA, United StatesReported employees: 51-200 | Berkeley, CA, United States | 51-200 | Exact match | 143 contacts → |
“New Energy Nexus (NEX) is the world's leading ecosystem of funds and accelerators supporting diverse clean energy entrepreneurs to thrive, from emerging tech through to clean…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ECP Energy Capital Partnersecpgp.com HQ: Summit, CA, United StatesReported employees: 51-200 | Summit, CA, United States | 51-200 | Exact match | 137 contacts → |
“ECP (Energy Capital Partners) is an investor in critical infrastructure focused on electrification, decarbonization, reliability and sustainability.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | CRUXcruxclimate.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 128 contacts → |
“Crux is the capital platform for the clean economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Energy Infrastructure Partnersenergy-infrastructure-partners.com HQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 121 contacts → |
“Energy Infrastructure Partners invests in energy infrastructure for decades to create exceptional value for our clients and partners.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Finnfundfinnfund.fi HQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 108 contacts → |
“Finnfund is a Finnish development financier and impact investor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | OMNESomnescapital.com HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 98 contacts → |
“Omnes is a leading European private equity firm dedicated to the energy transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Source Code Capitalsourcecodecap.com HQ: 北京, ChinaReported employees: 51-200 | 北京, China | 51-200 | Exact match | 98 contacts → |
“At Source Code Capital, we devote ourselves to becoming the partner of choice for world-class entrepreneurs leading today’s business transformations and technological developments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Alcazar Energy Partnersalcazarenergy.com HQ: Podgorica, LuxembourgReported employees: 51-200 | Podgorica, Luxembourg | 51-200 | Exact match | 96 contacts → |
“Alcazar Energy Partners (“AEP”) is a leading independent sustainable infrastructure fund manager specialising in utility-scale renewable energy projects in growth markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Momentum Energy Group A Smomentumgreenenergy.com HQ: Roskilde, DenmarkReported employees: 51-200 | Roskilde, Denmark | 51-200 | Exact match | 95 contacts → |
“We want to be a role model that contributes to accelerating the green transition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Soleniumsolenium.co HQ: Medellin, ColombiaReported employees: 11-50 | Medellin, Colombia | 11-50 | Exact match | 94 contacts → |
“Creemos en un futuro sostenible.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Solfinsolfin.co.in HQ: Gurgaon, IndiaReported employees: 51-200 | Gurgaon, India | 51-200 | Exact match | 82 contacts → |
“Technology, Financing, Renewables Delivering and financing distributed green assets” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Smartenergysmartenergy.net HQ: Wollerau, ItalyReported employees: 201-500 | Wollerau, Italy | 201-500 | Exact match | 76 contacts → |
“We are a Swiss-based investment company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Bluetree Groupbluetree.group HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 72 contacts → |
“Helping investors and energy companies maximise renewable asset performance while keeping risk under control.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Clean tech investors: dataset insights
November 6, 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
1,548 records in the displayed employee bands.
13 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,561 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: November 6, 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 ↗
Clean tech investors by location
17 lists · largest firstEvery Clean tech investors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Clean tech investors based in the United States345
- Clean tech investors based in the United Kingdom135
- Clean tech investors based in Germany53
- Clean tech investors based in India45
- Clean tech investors based in Canada43
- Clean tech investors based in Australia39
- Clean tech investors based in Spain31
- Clean tech investors based in the United Arab Emirates30
- Clean tech investors based in Switzerland29
- Clean tech investors based in Türkiye29
- Clean tech investors based in the Netherlands28
- Clean tech investors based in Italy27
- Clean tech investors based in France26
- Clean tech investors based in Norway26
Cities
Questions about this company list
What does Exact match mean for clean tech investors?
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 clean tech investors did RevenueBase find worldwide?
The saved snapshot records 1,561 matching company records, 16,818 tracked contacts and 6,087 verified emails. The public preview displays 25 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: November 6, 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 25 clean tech investors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/clean-tech-investors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗