Company lists · Data refreshed November 2026
Top 25 Clean technology investors worldwide
RevenueBase identified 2,433 company matches for clean technology investors worldwide as of November 2026 and tracks 23,770 professional contacts across them, including 8,461 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for clean technology 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 technology 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 technology 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 | 464 contacts → | ||||
Exact match “Chakr Innovation is a pioneering Indian cleantech startup, founded by IIT Delhi graduates, dedicated to revolutionizing air quality with cutting-edge material science technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 405 contacts → | ||||
Exact match “We encourage you to follow Simon Rogerson, Founder & CEO of Octopus Group: We’re entrepreneurs and we’re investors, on a mission to back the people, ideas and industries that will…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 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 | |||||
| 6 | 203 contacts → | ||||
Exact match “Khosla Ventures invests in companies that are bold, early and impactful.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 195 contacts → | ||||
Exact match “Founded in 1998, Quantum Capital Group is a leading provider of private equity, credit, and venture capital to the global energy and energy transition industry, having managed…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 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 | |||||
| 9 | 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 | |||||
| 10 | 169 contacts → | ||||
Exact match “Madison Energy Infrastructure is on a mission to modernize energy for industry and communities where it matters most.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 163 contacts → | ||||
Exact match “Marathon Capital is the largest independent investment bank dedicated to servicing the clean economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 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 | |||||
| 13 | 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 | |||||
| 14 | 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 | |||||
| 15 | 148 contacts → | ||||
Exact match “CleanChoice Energy is a cleantech company that empowers people and businesses to easily access climate solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 147 contacts → | ||||
Exact match “Rockstart is an early stage investor that empowers purpose-driven founders across three domains: Energy, AgriFood, and Emerging Technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 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 | |||||
| 18 | 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 | |||||
| 19 | 132 contacts → | ||||
Exact match “At KEF Holdings we invest in businesses that are innovative, sustainable, cost-effective and deliver positive disruptive solutions across core business sectors encompassing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 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 | |||||
| 21 | 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 | |||||
| 22 | 119 contacts → | ||||
Exact match “Speed and efficiency are the cornerstones of climate finance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 119 contacts → | ||||
Exact match “The Cleantech Open runs the world's largest cleantech accelerator.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 118 contacts → | ||||
Exact match “Winning in clean technologies is complex-new technologies emerge, policies shift, and it’s hard to know which opportunities will scale and which will fail.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 118 contacts → | ||||
Exact match “First Philippine Holdings Corporation is a conglomerate company that is powered by good.” 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 technology 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 2,433 clean technology investors worldwide
See the full list, filter by size, metro and specialty, and access 8,461 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Clean technology 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 technology investors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “clean technology 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 8,461 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 technology investors by location
24 lists · largest firstEvery Clean technology investors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Clean technology investors based in the United States566
- Clean technology investors based in the United Kingdom201
- Clean technology investors based in Germany95
- Clean technology investors based in Canada75
- Clean technology investors based in India71
- Clean technology investors based in the Netherlands57
- Clean technology investors based in the United Arab Emirates54
- Clean technology investors based in France53
- Clean technology investors based in Australia50
- Clean technology investors based in Switzerland49
- Clean technology investors based in Spain46
- Clean technology investors based in China36
- Clean technology investors based in Italy34
- Clean technology investors based in Norway34
- Clean technology investors based in Sweden32
- Clean technology investors based in Brazil31
- Clean technology investors based in Türkiye29
Cities
- Clean technology investors based in London, United Kingdom146
- Clean technology investors based in New York, United States76
- Clean technology investors based in San Francisco, United States42
- Clean technology investors based in Paris, France39
- Clean technology investors based in Houston, United States32
- Clean technology investors based in Dubai, United Arab Emirates28
- Clean technology investors based in Amsterdam, Netherlands25
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 technology investors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many clean technology investors are there worldwide?
RevenueBase identified 2,433 company matches for clean technology 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 technology investors?
The United States leads with 566 companies, followed by the United Kingdom (201) and Germany (95). Every clean technology investors list by country and city is linked on this page.
Which city has the most clean technology investors?
London leads with 146 company records, followed by New York (76) and San Francisco (42).
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 8,461 professional contacts with verified work emails tracked across these 2,433 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 2,433 clean technology 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 technology 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 2,433 matching company records for clean technology investors worldwide, with 23,770 tracked contacts and 8,461 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 technology 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 |  Chakr Innovationchakr.inHQ: Gurgaon, IndiaReported employees: 501-1,000 | Gurgaon, India | 501-1,000 | Exact match | 464 contacts → |
“Chakr Innovation is a pioneering Indian cleantech startup, founded by IIT Delhi graduates, dedicated to revolutionizing air quality with cutting-edge material science technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Octopusoctopusgroup.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 405 contacts → |
“We encourage you to follow Simon Rogerson, Founder & CEO of Octopus Group: We’re entrepreneurs and we’re investors, on a mission to back the people, ideas and industries that will…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  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. | |||||
| 6 |  Khosla Ventureskhoslaventures.comHQ: Menlo Park, CA, United StatesReported employees: 51-200 | Menlo Park, CA, United States | 51-200 | Exact match | 203 contacts → |
“Khosla Ventures invests in companies that are bold, early and impactful.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Quantum Capital Groupquantumcap.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 195 contacts → |
“Founded in 1998, Quantum Capital Group is a leading provider of private equity, credit, and venture capital to the global energy and energy transition industry, having managed…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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. | |||||
| 9 |  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. | |||||
| 10 |  Madison Energy Infrastructuremadisonei.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 169 contacts → |
“Madison Energy Infrastructure is on a mission to modernize energy for industry and communities where it matters most.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Marathon Capitalmarathoncapital.comHQ: Chicago, TX, United StatesReported employees: 51-200 | Chicago, TX, United States | 51-200 | Exact match | 163 contacts → |
“Marathon Capital is the largest independent investment bank dedicated to servicing the clean economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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. | |||||
| 13 |  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. | |||||
| 14 |  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. | |||||
| 15 |  Cleanchoice Energycleanchoiceenergy.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 148 contacts → |
“CleanChoice Energy is a cleantech company that empowers people and businesses to easily access climate solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Rockstartrockstart.comHQ: Amsterdam, NetherlandsReported employees: 11-50 | Amsterdam, Netherlands | 11-50 | Exact match | 147 contacts → |
“Rockstart is an early stage investor that empowers purpose-driven founders across three domains: Energy, AgriFood, and Emerging Technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  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. | |||||
| 18 |  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. | |||||
| 19 |  KEF Holdingskefholdings.comHQ: Dubai, United Arab EmiratesReported employees: 501-1,000 | Dubai, United Arab Emirates | 501-1,000 | Exact match | 132 contacts → |
“At KEF Holdings we invest in businesses that are innovative, sustainable, cost-effective and deliver positive disruptive solutions across core business sectors encompassing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  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. | |||||
| 21 |  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. | |||||
| 22 |  Cleancapitalcleancapital.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 119 contacts → |
“Speed and efficiency are the cornerstones of climate finance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Cleantech Opencleantechopen.orgHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 119 contacts → |
“The Cleantech Open runs the world's largest cleantech accelerator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Cleantech Groupcleantech.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 118 contacts → |
“Winning in clean technologies is complex-new technologies emerge, policies shift, and it’s hard to know which opportunities will scale and which will fail.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Pasig City, PhilippinesReported employees: 51-200 | Pasig City, Philippines | 51-200 | Exact match | 118 contacts → |
“First Philippine Holdings Corporation is a conglomerate company that is powered by good.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,433 company matches
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Clean technology 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
2,418 records in the displayed employee bands.
15 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 2,433 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 technology investors by location
24 lists · largest firstEvery Clean technology investors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Clean technology investors based in the United States566
- Clean technology investors based in the United Kingdom201
- Clean technology investors based in Germany95
- Clean technology investors based in Canada75
- Clean technology investors based in India71
- Clean technology investors based in the Netherlands57
- Clean technology investors based in the United Arab Emirates54
- Clean technology investors based in France53
- Clean technology investors based in Australia50
- Clean technology investors based in Switzerland49
- Clean technology investors based in Spain46
- Clean technology investors based in China36
- Clean technology investors based in Italy34
- Clean technology investors based in Norway34
- Clean technology investors based in Sweden32
- Clean technology investors based in Brazil31
- Clean technology investors based in Türkiye29
Cities
- Clean technology investors based in London, United Kingdom146
- Clean technology investors based in New York, United States76
- Clean technology investors based in San Francisco, United States42
- Clean technology investors based in Paris, France39
- Clean technology investors based in Houston, United States32
- Clean technology investors based in Dubai, United Arab Emirates28
- Clean technology investors based in Amsterdam, Netherlands25
Questions about this company list
What does Exact match mean for clean technology 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 technology investors did RevenueBase find worldwide?
The saved snapshot records 2,433 matching company records, 23,770 tracked contacts and 8,461 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 technology investors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/clean-technology-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 technology investors worldwide
RevenueBase records 2,433 matching company records for clean technology investors worldwide, with 23,770 tracked contacts and 8,461 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 technology 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 | Chakr Innovationchakr.in HQ: Gurgaon, IndiaReported employees: 501-1,000 | Gurgaon, India | 501-1,000 | Exact match | 464 contacts → |
“Chakr Innovation is a pioneering Indian cleantech startup, founded by IIT Delhi graduates, dedicated to revolutionizing air quality with cutting-edge material science technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Octopusoctopusgroup.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 405 contacts → |
“We encourage you to follow Simon Rogerson, Founder & CEO of Octopus Group: We’re entrepreneurs and we’re investors, on a mission to back the people, ideas and industries that will…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | Khosla Ventureskhoslaventures.com HQ: Menlo Park, CA, United StatesReported employees: 51-200 | Menlo Park, CA, United States | 51-200 | Exact match | 203 contacts → |
“Khosla Ventures invests in companies that are bold, early and impactful.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Quantum Capital Groupquantumcap.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 195 contacts → |
“Founded in 1998, Quantum Capital Group is a leading provider of private equity, credit, and venture capital to the global energy and energy transition industry, having managed…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | Madison Energy Infrastructuremadisonei.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 169 contacts → |
“Madison Energy Infrastructure is on a mission to modernize energy for industry and communities where it matters most.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Marathon Capitalmarathoncapital.com HQ: Chicago, TX, United StatesReported employees: 51-200 | Chicago, TX, United States | 51-200 | Exact match | 163 contacts → |
“Marathon Capital is the largest independent investment bank dedicated to servicing the clean economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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. | |||||
| 13 | 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. | |||||
| 14 | 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. | |||||
| 15 | Cleanchoice Energycleanchoiceenergy.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 148 contacts → |
“CleanChoice Energy is a cleantech company that empowers people and businesses to easily access climate solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Rockstartrockstart.com HQ: Amsterdam, NetherlandsReported employees: 11-50 | Amsterdam, Netherlands | 11-50 | Exact match | 147 contacts → |
“Rockstart is an early stage investor that empowers purpose-driven founders across three domains: Energy, AgriFood, and Emerging Technologies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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. | |||||
| 18 | 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. | |||||
| 19 | KEF Holdingskefholdings.com HQ: Dubai, United Arab EmiratesReported employees: 501-1,000 | Dubai, United Arab Emirates | 501-1,000 | Exact match | 132 contacts → |
“At KEF Holdings we invest in businesses that are innovative, sustainable, cost-effective and deliver positive disruptive solutions across core business sectors encompassing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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. | |||||
| 21 | 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. | |||||
| 22 | Cleancapitalcleancapital.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 119 contacts → |
“Speed and efficiency are the cornerstones of climate finance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Cleantech Opencleantechopen.org HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 119 contacts → |
“The Cleantech Open runs the world's largest cleantech accelerator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cleantech Groupcleantech.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 118 contacts → |
“Winning in clean technologies is complex-new technologies emerge, policies shift, and it’s hard to know which opportunities will scale and which will fail.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Pasig City, PhilippinesReported employees: 51-200 | Pasig City, Philippines | 51-200 | Exact match | 118 contacts → |
“First Philippine Holdings Corporation is a conglomerate company that is powered by good.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Clean technology 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
2,418 records in the displayed employee bands.
15 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 2,433 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 technology investors by location
24 lists · largest firstEvery Clean technology investors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Clean technology investors based in the United States566
- Clean technology investors based in the United Kingdom201
- Clean technology investors based in Germany95
- Clean technology investors based in Canada75
- Clean technology investors based in India71
- Clean technology investors based in the Netherlands57
- Clean technology investors based in the United Arab Emirates54
- Clean technology investors based in France53
- Clean technology investors based in Australia50
- Clean technology investors based in Switzerland49
- Clean technology investors based in Spain46
- Clean technology investors based in China36
- Clean technology investors based in Italy34
- Clean technology investors based in Norway34
- Clean technology investors based in Sweden32
- Clean technology investors based in Brazil31
- Clean technology investors based in Türkiye29
Cities
- Clean technology investors based in London, United Kingdom146
- Clean technology investors based in New York, United States76
- Clean technology investors based in San Francisco, United States42
- Clean technology investors based in Paris, France39
- Clean technology investors based in Houston, United States32
- Clean technology investors based in Dubai, United Arab Emirates28
- Clean technology investors based in Amsterdam, Netherlands25
Questions about this company list
What does Exact match mean for clean technology 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 technology investors did RevenueBase find worldwide?
The saved snapshot records 2,433 matching company records, 23,770 tracked contacts and 8,461 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 technology investors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/clean-technology-investors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗