Company lists · Data refreshed September 2026
Top 25 Cleantech accelerators worldwide
RevenueBase identified 3,670 company matches for cleantech accelerators worldwide as of September 2026 and tracks 54,069 professional contacts across them, including 9,833 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for cleantech accelerators 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 September 19, 2026. Country and city lists for cleantech accelerators 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 cleantech accelerators worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 16,533 contacts → | ||||
Exact match “Entrepreneurship in the service of the climate emergency!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 1,803 contacts → | ||||
Exact match “Techstars helps founders scale their startups into world-changing businesses.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 1,199 contacts → | ||||
Exact match “The Powur Mission: Accelerate the adoption of clean energy worldwide We're empowering our community of homeowners and advisors to thrive in the global shift to sustainable energy.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 1,117 contacts → | ||||
Exact match “VITO is an independent Flemish research organisation in the area of cleantech and sustainable development.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 600 contacts → | ||||
Exact match “Aira is the next generation home energy champion.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 539 contacts → | ||||
Exact match “Palmetto is a leading clean tech company on a mission to accelerate the transition to a clean energy future.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 522 contacts → | ||||
Exact match “At Startupbootcamp, we supercharge startup growth – providing capital, world-class mentorship, and direct access to investors, corporate partners, and industry experts.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 514 contacts → | ||||
Exact match “Clean, affordable energy for all is one of the greatest challenges of our time.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 480 contacts → | ||||
Exact match “Westport is a clean-tech innovation company, providing simplified solutions to decarbonize.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 476 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 451 contacts → | ||||
Exact match “NRGi is an accelerator for the green transition in Denmark - and a better future.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 429 contacts → | ||||
Exact match “Ecozen develops climate-smart deeptech solutions and core technology stacks to deliver a sustainable future, including motor controls, IoT, and energy storage.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 321 contacts → | ||||
Exact match “The Alchemist Accelerator is a venture-backed initiative focused on accelerating the development of seed-stage ventures that monetize from enterprises (not consumers).” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 311 contacts → | ||||
Exact match “LANZADERA es la aceleradora de Marina de Empresas, se trata de un proyecto de capital totalmente privado impulsado por Juan Roig (Presidente de Mercadona).” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 285 contacts → | ||||
Exact match “We are building a full stack energy company to lower cost of energy & accelerate energy abundance.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 214 contacts → | ||||
Exact match “Vecmocon Technologies is a Deep-Tech startup focused on sustainable and clean mobility.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 213 contacts → | ||||
Exact match “The Energy & Environmental Research Center (EERC) is recognized as one of the world's leading developers of cleaner, more efficient energy to power the world and environmental…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 175 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 167 contacts → | ||||
Exact match “Especializada em geração de energia limpa.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 163 contacts → | ||||
Exact match “Los Angeles Cleantech Incubator (LACI) is creating an inclusive green economy for the people of Los Angeles by unlocking innovation by working with startups to accelerate the…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 159 contacts → | ||||
Exact match “Breakthrough Energy backs companies developing the next generation of clean energy solutions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 155 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 149 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 146 contacts → | ||||
Exact match “We give investors access to private opportunities, help corporates and governments innovate with accelerator programs and support founders to build lasting businesses.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 143 contacts → | ||||
Exact match “In the world we’re building, sustainability isn't a buzzword.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “cleantech accelerators”. 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 3,670 cleantech accelerators worldwide
See the full list, filter by size, metro and specialty, and access 9,833 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cleantech accelerators worldwide at a glance
As of Sep 19, 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 cleantech accelerators are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “cleantech accelerators” 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 9,833 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 19, 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.
Cleantech accelerators by location
21 lists · largest firstEvery Cleantech accelerators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Cleantech accelerators based in the United States818
- Cleantech accelerators based in India258
- Cleantech accelerators based in the United Kingdom247
- Cleantech accelerators based in Canada168
- Cleantech accelerators based in Germany124
- Cleantech accelerators based in France89
- Cleantech accelerators based in the Netherlands87
- Cleantech accelerators based in Brazil83
- Cleantech accelerators based in Australia80
- Cleantech accelerators based in Italy66
- Cleantech accelerators based in Spain62
- Cleantech accelerators based in Israel47
- Cleantech accelerators based in Sweden38
- Cleantech accelerators based in Switzerland37
- Cleantech accelerators based in Belgium34
- Cleantech accelerators based in Denmark33
- Cleantech accelerators based in the United Arab Emirates32
- Cleantech accelerators based in Norway29
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 “cleantech accelerators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cleantech accelerators are there worldwide?
RevenueBase identified 3,670 company matches for cleantech accelerators worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Team For The Planet tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most cleantech accelerators?
The United States leads with 818 companies, followed by India (258) and the United Kingdom (247). Every cleantech accelerators list by country and city is linked on this page.
Which city has the most cleantech accelerators?
London leads with 130 company records, followed by New York (58) and San Francisco (54).
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 9,833 professional contacts with verified work emails tracked across these 3,670 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,670 cleantech accelerators 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 cleantech accelerators worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,670 matching company records for cleantech accelerators worldwide, with 54,069 tracked contacts and 9,833 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: September 19, 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 cleantech accelerators 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 |  Team For The Planetteam-planet.comHQ: Lyon, FranceReported employees: Not recorded | Lyon, France | Not recorded | Exact match | 16,533 contacts → |
“Entrepreneurship in the service of the climate emergency!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Techstarstechstars.comHQ: New York City, NY, United StatesReported employees: Not recorded | New York City, NY, United States | Not recorded | Exact match | 1,803 contacts → |
“Techstars helps founders scale their startups into world-changing businesses.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Powur, PBCpowur.com HQ: San Diego, United StatesReported employees: Not recorded | San Diego, United States | Not recorded | Exact match | 1,199 contacts → |
“The Powur Mission: Accelerate the adoption of clean energy worldwide We're empowering our community of homeowners and advisors to thrive in the global shift to sustainable energy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | VITOvito.be HQ: Mol, BelgiumReported employees: 1,001-5,000 | Mol, Belgium | 1,001-5,000 | Exact match | 1,117 contacts → |
“VITO is an independent Flemish research organisation in the area of cleantech and sustainable development.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  AIRAairahome.comHQ: Stockholm, SwedenReported employees: 201-500 | Stockholm, Sweden | 201-500 | Exact match | 600 contacts → |
“Aira is the next generation home energy champion.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Palmettoplm.toHQ: Charlotte, NC, United StatesReported employees: 201-500 | Charlotte, NC, United States | 201-500 | Exact match | 539 contacts → |
“Palmetto is a leading clean tech company on a mission to accelerate the transition to a clean energy future.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Startupbootcampstartupbootcamp.orgHQ: Amsterdam, NetherlandsReported employees: 201-500 | Amsterdam, Netherlands | 201-500 | Exact match | 522 contacts → |
“At Startupbootcamp, we supercharge startup growth – providing capital, world-class mentorship, and direct access to investors, corporate partners, and industry experts.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sonnen Gmbhsonnen.deHQ: Wildpoldsried, GermanyReported employees: 501-1,000 | Wildpoldsried, Germany | 501-1,000 | Exact match | 514 contacts → |
“Clean, affordable energy for all is one of the greatest challenges of our time.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Westport Fuel Systemswestport.comHQ: Vancouver, BC, CanadaReported employees: 51-200 | Vancouver, BC, Canada | 51-200 | Exact match | 480 contacts → |
“Westport is a clean-tech innovation company, providing simplified solutions to decarbonize.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Chakr Innovationchakr.inHQ: Gurugram, IndiaReported employees: 501-1,000 | Gurugram, India | 501-1,000 | Exact match | 476 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | NRGInrgi.dk HQ: Aarhus, DenmarkReported employees: 1,001-5,000 | Aarhus, Denmark | 1,001-5,000 | Exact match | 451 contacts → |
“NRGi is an accelerator for the green transition in Denmark - and a better future.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Ecozenecozensolutions.comHQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 429 contacts → |
“Ecozen develops climate-smart deeptech solutions and core technology stacks to deliver a sustainable future, including motor controls, IoT, and energy storage.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Alchemist Acceleratoralchemistaccelerator.comHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 321 contacts → |
“The Alchemist Accelerator is a venture-backed initiative focused on accelerating the development of seed-stage ventures that monetize from enterprises (not consumers).” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lanzaderalanzadera.es HQ: Valencia, SpainReported employees: Not recorded | Valencia, Spain | Not recorded | Exact match | 311 contacts → |
“LANZADERA es la aceleradora de Marina de Empresas, se trata de un proyecto de capital totalmente privado impulsado por Juan Roig (Presidente de Mercadona).” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Fuse Energygetfuse.comHQ: London, TX, United KingdomReported employees: 501-1,000 | London, TX, United Kingdom | 501-1,000 | Exact match | 285 contacts → |
“We are building a full stack energy company to lower cost of energy & accelerate energy abundance.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Vecmocon Technologiesvecmocon.comHQ: New Delhi, IndiaReported employees: 51-200 | New Delhi, India | 51-200 | Exact match | 214 contacts → |
“Vecmocon Technologies is a Deep-Tech startup focused on sustainable and clean mobility.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Energy & Environmental Research Centerundeerc.org HQ: Grand Forks, ND, United StatesReported employees: 201-500 | Grand Forks, ND, United States | 201-500 | Exact match | 213 contacts → |
“The Energy & Environmental Research Center (EERC) is recognized as one of the world's leading developers of cleaner, more efficient energy to power the world and environmental…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Rockstartrockstart.comHQ: Amsterdam, NetherlandsReported employees: Not recorded | Amsterdam, Netherlands | Not recorded | Exact match | 175 contacts → |
“Rockstart is an early stage investor that empowers purpose-driven founders across three domains: Energy, AgriFood, and Emerging Technologies.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Brennand Energia S Abrennandenergia.com.br HQ: BrazilReported employees: 201-500 | Brazil | 201-500 | Exact match | 167 contacts → |
“Especializada em geração de energia limpa.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 163 contacts → |
“Los Angeles Cleantech Incubator (LACI) is creating an inclusive green economy for the people of Los Angeles by unlocking innovation by working with startups to accelerate the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Breakthrough Energybreakthroughenergy.orgHQ: Kirkland, United StatesReported employees: 51-200 | Kirkland, United States | 51-200 | Exact match | 159 contacts → |
“Breakthrough Energy backs companies developing the next generation of clean energy solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Cleanchoice Energycleanchoiceenergy.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 155 contacts → |
“CleanChoice Energy is a cleantech company that empowers people and businesses to easily access climate solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Massachusetts Clean Energy Centermasscec.comHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 149 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  BRINCbrinc.ioHQ: Abu Dhabi, Hong KongReported employees: 51-200 | Abu Dhabi, Hong Kong | 51-200 | Exact match | 146 contacts → |
“We give investors access to private opportunities, help corporates and governments innovate with accelerator programs and support founders to build lasting businesses.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Foresight Canadaforesightcac.com HQ: Vancouver, BC, CanadaReported employees: 11-50 | Vancouver, BC, Canada | 11-50 | Exact match | 143 contacts → |
“In the world we’re building, sustainability isn't a buzzword.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,670 company matches
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Cleantech accelerators: dataset insights
September 19, 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
3,665 records in the displayed employee bands.
5 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 3,670 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 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 ↗
Cleantech accelerators by location
21 lists · largest firstEvery Cleantech accelerators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Cleantech accelerators based in the United States818
- Cleantech accelerators based in India258
- Cleantech accelerators based in the United Kingdom247
- Cleantech accelerators based in Canada168
- Cleantech accelerators based in Germany124
- Cleantech accelerators based in France89
- Cleantech accelerators based in the Netherlands87
- Cleantech accelerators based in Brazil83
- Cleantech accelerators based in Australia80
- Cleantech accelerators based in Italy66
- Cleantech accelerators based in Spain62
- Cleantech accelerators based in Israel47
- Cleantech accelerators based in Sweden38
- Cleantech accelerators based in Switzerland37
- Cleantech accelerators based in Belgium34
- Cleantech accelerators based in Denmark33
- Cleantech accelerators based in the United Arab Emirates32
- Cleantech accelerators based in Norway29
Cities
Questions about this company list
What does Exact match mean for cleantech accelerators?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cleantech accelerators did RevenueBase find worldwide?
The saved snapshot records 3,670 matching company records, 54,069 tracked contacts and 9,833 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: September 19, 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 cleantech accelerators worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/cleantech-accelerators.
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 cleantech accelerators worldwide
RevenueBase records 3,670 matching company records for cleantech accelerators worldwide, with 54,069 tracked contacts and 9,833 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: September 19, 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 cleantech accelerators 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 | Team For The Planetteam-planet.com HQ: Lyon, FranceReported employees: Not recorded | Lyon, France | Not recorded | Exact match | 16,533 contacts → |
“Entrepreneurship in the service of the climate emergency!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Techstarstechstars.com HQ: New York City, NY, United StatesReported employees: Not recorded | New York City, NY, United States | Not recorded | Exact match | 1,803 contacts → |
“Techstars helps founders scale their startups into world-changing businesses.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Powur, PBCpowur.com HQ: San Diego, United StatesReported employees: Not recorded | San Diego, United States | Not recorded | Exact match | 1,199 contacts → |
“The Powur Mission: Accelerate the adoption of clean energy worldwide We're empowering our community of homeowners and advisors to thrive in the global shift to sustainable energy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | VITOvito.be HQ: Mol, BelgiumReported employees: 1,001-5,000 | Mol, Belgium | 1,001-5,000 | Exact match | 1,117 contacts → |
“VITO is an independent Flemish research organisation in the area of cleantech and sustainable development.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | AIRAairahome.com HQ: Stockholm, SwedenReported employees: 201-500 | Stockholm, Sweden | 201-500 | Exact match | 600 contacts → |
“Aira is the next generation home energy champion.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Palmettoplm.to HQ: Charlotte, NC, United StatesReported employees: 201-500 | Charlotte, NC, United States | 201-500 | Exact match | 539 contacts → |
“Palmetto is a leading clean tech company on a mission to accelerate the transition to a clean energy future.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Startupbootcampstartupbootcamp.org HQ: Amsterdam, NetherlandsReported employees: 201-500 | Amsterdam, Netherlands | 201-500 | Exact match | 522 contacts → |
“At Startupbootcamp, we supercharge startup growth – providing capital, world-class mentorship, and direct access to investors, corporate partners, and industry experts.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sonnen Gmbhsonnen.de HQ: Wildpoldsried, GermanyReported employees: 501-1,000 | Wildpoldsried, Germany | 501-1,000 | Exact match | 514 contacts → |
“Clean, affordable energy for all is one of the greatest challenges of our time.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Westport Fuel Systemswestport.com HQ: Vancouver, BC, CanadaReported employees: 51-200 | Vancouver, BC, Canada | 51-200 | Exact match | 480 contacts → |
“Westport is a clean-tech innovation company, providing simplified solutions to decarbonize.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Chakr Innovationchakr.in HQ: Gurugram, IndiaReported employees: 501-1,000 | Gurugram, India | 501-1,000 | Exact match | 476 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | NRGInrgi.dk HQ: Aarhus, DenmarkReported employees: 1,001-5,000 | Aarhus, Denmark | 1,001-5,000 | Exact match | 451 contacts → |
“NRGi is an accelerator for the green transition in Denmark - and a better future.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Ecozenecozensolutions.com HQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 429 contacts → |
“Ecozen develops climate-smart deeptech solutions and core technology stacks to deliver a sustainable future, including motor controls, IoT, and energy storage.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Alchemist Acceleratoralchemistaccelerator.com HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 321 contacts → |
“The Alchemist Accelerator is a venture-backed initiative focused on accelerating the development of seed-stage ventures that monetize from enterprises (not consumers).” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lanzaderalanzadera.es HQ: Valencia, SpainReported employees: Not recorded | Valencia, Spain | Not recorded | Exact match | 311 contacts → |
“LANZADERA es la aceleradora de Marina de Empresas, se trata de un proyecto de capital totalmente privado impulsado por Juan Roig (Presidente de Mercadona).” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Fuse Energygetfuse.com HQ: London, TX, United KingdomReported employees: 501-1,000 | London, TX, United Kingdom | 501-1,000 | Exact match | 285 contacts → |
“We are building a full stack energy company to lower cost of energy & accelerate energy abundance.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Vecmocon Technologiesvecmocon.com HQ: New Delhi, IndiaReported employees: 51-200 | New Delhi, India | 51-200 | Exact match | 214 contacts → |
“Vecmocon Technologies is a Deep-Tech startup focused on sustainable and clean mobility.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Energy & Environmental Research Centerundeerc.org HQ: Grand Forks, ND, United StatesReported employees: 201-500 | Grand Forks, ND, United States | 201-500 | Exact match | 213 contacts → |
“The Energy & Environmental Research Center (EERC) is recognized as one of the world's leading developers of cleaner, more efficient energy to power the world and environmental…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Rockstartrockstart.com HQ: Amsterdam, NetherlandsReported employees: Not recorded | Amsterdam, Netherlands | Not recorded | Exact match | 175 contacts → |
“Rockstart is an early stage investor that empowers purpose-driven founders across three domains: Energy, AgriFood, and Emerging Technologies.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Brennand Energia S Abrennandenergia.com.br HQ: BrazilReported employees: 201-500 | Brazil | 201-500 | Exact match | 167 contacts → |
“Especializada em geração de energia limpa.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 163 contacts → |
“Los Angeles Cleantech Incubator (LACI) is creating an inclusive green economy for the people of Los Angeles by unlocking innovation by working with startups to accelerate the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Breakthrough Energybreakthroughenergy.org HQ: Kirkland, United StatesReported employees: 51-200 | Kirkland, United States | 51-200 | Exact match | 159 contacts → |
“Breakthrough Energy backs companies developing the next generation of clean energy solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Cleanchoice Energycleanchoiceenergy.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 155 contacts → |
“CleanChoice Energy is a cleantech company that empowers people and businesses to easily access climate solutions.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Massachusetts Clean Energy Centermasscec.com HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 149 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | BRINCbrinc.io HQ: Abu Dhabi, Hong KongReported employees: 51-200 | Abu Dhabi, Hong Kong | 51-200 | Exact match | 146 contacts → |
“We give investors access to private opportunities, help corporates and governments innovate with accelerator programs and support founders to build lasting businesses.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Foresight Canadaforesightcac.com HQ: Vancouver, BC, CanadaReported employees: 11-50 | Vancouver, BC, Canada | 11-50 | Exact match | 143 contacts → |
“In the world we’re building, sustainability isn't a buzzword.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Cleantech accelerators: dataset insights
September 19, 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
3,665 records in the displayed employee bands.
5 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 3,670 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 19, 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 ↗
Cleantech accelerators by location
21 lists · largest firstEvery Cleantech accelerators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Cleantech accelerators based in the United States818
- Cleantech accelerators based in India258
- Cleantech accelerators based in the United Kingdom247
- Cleantech accelerators based in Canada168
- Cleantech accelerators based in Germany124
- Cleantech accelerators based in France89
- Cleantech accelerators based in the Netherlands87
- Cleantech accelerators based in Brazil83
- Cleantech accelerators based in Australia80
- Cleantech accelerators based in Italy66
- Cleantech accelerators based in Spain62
- Cleantech accelerators based in Israel47
- Cleantech accelerators based in Sweden38
- Cleantech accelerators based in Switzerland37
- Cleantech accelerators based in Belgium34
- Cleantech accelerators based in Denmark33
- Cleantech accelerators based in the United Arab Emirates32
- Cleantech accelerators based in Norway29
Cities
Questions about this company list
What does Exact match mean for cleantech accelerators?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cleantech accelerators did RevenueBase find worldwide?
The saved snapshot records 3,670 matching company records, 54,069 tracked contacts and 9,833 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: September 19, 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 cleantech accelerators worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/cleantech-accelerators.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗