Top list · Worldwide
Cleantech startups founded in 2019
70 cleantech startups founded in 2019 have raised money in rounds we track. These are the 50 that have raised the most, $4.5B between them, with the United States the most common home.
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Kyoto FusioneeringKyoto Fusioneering Ltd.Kyoto Fusioneering Ltd.
Founded 2019Chiyoda, Japan$1.3Blast round Aug 2026 - 2
AvantusAvantus develops large-scale solar and solar-plus-storage projects to drive the adoption of zero-emission energy.Avantus develops large-scale solar and solar-plus-storage projects to drive the adoption of zero-emission energy.
Founded 2019El Dorado Hills, United States$800Mlast round Sept 2026 - 3
Panamint CapitalPanamint Capital is an energy investment firm that focuses on developing electric transmission and optimizing power generation.Panamint Capital is an energy investment firm that focuses on developing electric transmission and optimizing power generation.
Founded 2019United States$769Mlast round Nov 2026 - 4
FieldField is Strava for football, tennis and padel.Field is Strava for football, tennis and padel.
Founded 2019United Kingdom$265Mlast round Sept 2024 - 5
GeoPuraGeoPura is enabling the production, transport, and use of zero-emissions fuels with innovative and commercially viable technology.GeoPura is enabling the production, transport, and use of zero-emissions fuels with innovative and commercially viable technology.
Founded 2019Wysall, United Kingdom$194Mlast round Aug 2026 - 6
Terabase EnergyTerabase Energy is a solar technology company based in Berkeley, California, founded in 2019.Terabase Energy is a solar technology company based in Berkeley, California, founded in 2019.
Founded 2019Berkeley, United States$130Mlast round Mar 2025 - 7
GreenCell MobilityGreenCell Mobility offers clean, cost-effective, and on-demand shared e-mobility solutions.GreenCell Mobility offers clean, cost-effective, and on-demand shared e-mobility solutions.
Founded 2019India$124Mlast round Oct 2026 - 8
TagEnergyTagEnergy generates and trades competitive, clean power to accelerate energy transition.TagEnergy generates and trades competitive, clean power to accelerate energy transition.
Founded 2019Lisbon, Portugal$88Mlast round Feb 2024 - 9
Type One EnergyStellarator technology to transform energy markets with fusion power.Stellarator technology to transform energy markets with fusion power.
Founded 2019Knoxville, United States$88Mlast round Sept 2026 - 10
Moment EnergyMoment Energy provides clean, affordable, and reliable energy storage by repurposing retired electric vehicle batteries.Moment Energy provides clean, affordable, and reliable energy storage by repurposing retired electric vehicle batteries.
Founded 2019Coquitlam, United States$63Mlast round May 2026 - 11
AISTIAISTI develops wood fiber-based acoustic tiles that are carbon negative, easy to recycle and plastic-free.AISTI develops wood fiber-based acoustic tiles that are carbon negative, easy to recycle and plastic-free.
Founded 2019Jyvaeskylae, Finland$54Mlast round Dec 2025 - 12
NatPowerNatPower is an independent renewable energy development platform that contributes to the energy revolution.NatPower is an independent renewable energy development platform that contributes to the energy revolution.
Founded 2019Milan, Luxembourg$53Mlast round Apr 2024 - 13
EODevEODev creates and commercializes sustainable, dependable, and cost-effective hydrogen-based energy solutions.EODev creates and commercializes sustainable, dependable, and cost-effective hydrogen-based energy solutions.
Founded 2019Issy-les-moulineaux, France$50Mlast round Nov 2023 - 14
PlasmaLeap TechnologiesPlasmaLeap Technologies is an Australian clean-tech company founded in 2019 and based in Sydney.PlasmaLeap Technologies is an Australian clean-tech company founded in 2019 and based in Sydney.
Founded 2019Sydney, Australia$41Mlast round Apr 2026 - 15
TreehouseTreehouse is a Food and Beverage Services company.Treehouse is a Food and Beverage Services company.
Founded 2019United States$35Mlast round Oct 2024 - 16
FactoredFactored is a professional services firm based in Palo Alto, California, founded in 2019 by Israel Niezen and co-founding advisor Dr.Factored is a professional services firm based in Palo Alto, California, founded in 2019 by Israel Niezen and co-founding advisor Dr.
Founded 2019Mountain View, United States$32Mlast round Oct 2026 - 17
ROCSYSROCSYS is a Dutch-American cleantech and robotics company focused on enhancing electric mobility through autonomous charging solutions.ROCSYS is a Dutch-American cleantech and robotics company focused on enhancing electric mobility through autonomous charging solutions.
Founded 2019Rijswijk, Netherlands$31Mlast round Apr 2026 - 18
WetilityWetility's flagship product is a comprehensive digital solar energy management system that allows users to regulate power usage remotely.Wetility's flagship product is a comprehensive digital solar energy management system that allows users to regulate power usage remotely.
Founded 2019Johannesburg, South Africa$28Mlast round Jun 2025 - 19
eedenEeden is a German textile-recycling technology company based in Münster, specializing in chemical recycling processes for textile waste.Eeden is a German textile-recycling technology company based in Münster, specializing in chemical recycling processes for textile waste.
Founded 2019Muenster, Germany$21Mlast round Apr 2025 - 20
CarbonQuestCarbonQuest is a climate technology company focused on modular, distributed carbon capture solutions.CarbonQuest is a climate technology company focused on modular, distributed carbon capture solutions.
Founded 2019New York, United States$20Mlast round Feb 2025 - 21
Power to HydrogenPower to Hydrogen develops advanced AEM electrolyzers that integrate with renewables while eliminating precious, expensive metals.Power to Hydrogen develops advanced AEM electrolyzers that integrate with renewables while eliminating precious, expensive metals.
Founded 2019Columbus, United States$18Mlast round Aug 2024 - 22
Ivy EnergyIvy Energy is a Cleantech brand and multifamily solar billing software platform based in San Diego, California.Ivy Energy is a Cleantech brand and multifamily solar billing software platform based in San Diego, California.
Founded 2019San Diego, United States$18Mlast round Apr 2024 - 23
NewVoltTransport, Renewable Energy, Electric Trucks, Charging, Logistics, FreightTransport, Renewable Energy, Electric Trucks, Charging, Logistics, Freight
Founded 2019Melbourne, Australia$17Mlast round Mar 2026 - 24
auumauum is a French industrial company founded in 2019, dedicated to promoting sustainable practices by providing an eco-responsible glass-cleaning solution called auum-S.auum is a French industrial company founded in 2019, dedicated to promoting sustainable practices by providing an eco-responsible glass-cleaning solution called auum-S.
Founded 2019Paris, France$17Mlast round Apr 2025 - 25
Sonic Fire TechSonic Fire Tech is a Cleveland-based company specializing in fire-suppression technology.Sonic Fire Tech is a Cleveland-based company specializing in fire-suppression technology.
Founded 2019Cleveland, United States$15Mlast round Aug 2026 - 26
Peppermint RoboticsPeppermint Robotics is a full-stack robotics company based in Pune, India, founded in May 2019 by Runal Dahiwade.Peppermint Robotics is a full-stack robotics company based in Pune, India, founded in May 2019 by Runal Dahiwade.
Founded 2019Pune, India$15Mlast round Nov 2025 - 27
OcergyOcergy is a technology company based in Oakland, California, focused on sustainable offshore solutions that combine green energy generation with marine environmOcergy is a technology company based in Oakland, California, focused on sustainable offshore solutions that combine green energy generation with marine environm
Founded 2019Oakland, United States$14Mlast round Apr 2024 - 28
Vensum PowerVensum Power is a Finnish technology startup based in Espoo, specializing in advanced power conversion solutions.Vensum Power is a Finnish technology startup based in Espoo, specializing in advanced power conversion solutions.
Founded 2019Espoo, Finland$12Mlast round Nov 2026 - 29
Net PurposeNet Purpose is a London-based data platform founded in 2019 that specializes in providing quantitative data on the social and environmental outcomes of companieNet Purpose is a London-based data platform founded in 2019 that specializes in providing quantitative data on the social and environmental outcomes of companie
Founded 2019London, United Kingdom$12Mlast round Oct 2025 - 30
MGA ThermalMGA Thermal is an Australian clean energy company focused on large-scale, long-duration thermal energy storage solutions.MGA Thermal is an Australian clean energy company focused on large-scale, long-duration thermal energy storage solutions.
Founded 2019Tomago, Australia$12Mlast round Mar 2026 - 31
VECKTAVECKTA is an innovative onsite energy procurement and intelligence platform based in San Diego, California.VECKTA is an innovative onsite energy procurement and intelligence platform based in San Diego, California.
Founded 2019San Diego, United States$11Mlast round Oct 2026 - 32
King EnergyKing Energy is a next-generation energy company that brings solar power to multi-tenant commercial properties.King Energy is a next-generation energy company that brings solar power to multi-tenant commercial properties.
Founded 2019Durango, United States$10Mlast round Dec 2025 - 33
Planet FWDPlanet FWD is a sustainability management and decarbonization platform founded in 2019, based in San Francisco, California.Planet FWD is a sustainability management and decarbonization platform founded in 2019, based in San Francisco, California.
Founded 2019San Francisco, United States$10Mlast round May 2022 - 34
SolarGreenSolargreen is a solatube dealer that offers solar solutions for residential and commercial needs.Solargreen is a solatube dealer that offers solar solutions for residential and commercial needs.
Founded 2019Englewood, Canada$7.7Mlast round Jan 2013 - 35
CARNOTCARNOT, operating as Carnot Engines, is a London-based technology start-up founded in 2019 by engineers Archie Watts Farmer, Francis Lempp, and Nadiur Rahman.CARNOT, operating as Carnot Engines, is a London-based technology start-up founded in 2019 by engineers Archie Watts Farmer, Francis Lempp, and Nadiur Rahman.
Founded 2019London, United Kingdom$7.1Mlast round Feb 2026 - 36
3ti Energy Hubs3ti Energy Hubs is a UK-based renewable energy company founded in March 2019, specializing in the design, installation, funding, and operation of solar car park3ti Energy Hubs is a UK-based renewable energy company founded in March 2019, specializing in the design, installation, funding, and operation of solar car park
Founded 2019Guildford, United Kingdom$6.9Mlast round Jan 2025 - 37
RheEnergiseRheEnergise is a UK-based cleantech company founded in 2019, specializing in long-duration energy storage with its innovative High-Density Hydro® (HD Hydro®) technology.RheEnergise is a UK-based cleantech company founded in 2019, specializing in long-duration energy storage with its innovative High-Density Hydro® (HD Hydro®) technology.
Founded 2019London, United Kingdom$6.3Mlast round Sept 2026 - 38
Quantified Energy LabsQuantified Energy Labs is a site PV module quality evaluation.Quantified Energy Labs is a site PV module quality evaluation.
Founded 2019Singapore$6.0Mlast round Dec 2025 - 39
Chara TechnologiesChara Technologies is a Bengaluru-based company focused on developing efficient, sustainable, and accessible motor technologies.Chara Technologies is a Bengaluru-based company focused on developing efficient, sustainable, and accessible motor technologies.
Founded 2019Bengaluru, India$5.9Mlast round Oct 2025 - 40
TewkeTewke is a London-based climate technology and home automation company dedicated to enhancing domestic energy efficiency and simplifying smart-home control.Tewke is a London-based climate technology and home automation company dedicated to enhancing domestic energy efficiency and simplifying smart-home control.
Founded 2019London, United Kingdom$5.6Mlast round Apr 2026 - 41
SymbiumSymbium is a San Francisco-based company focused on government technology and climate solutions.Symbium is a San Francisco-based company focused on government technology and climate solutions.
Founded 2019San Francisco, United States$4.0Mlast round Apr 2026 - 42
AmperecloudAmperecloud is a Berlin-based SaaS company founded in 2019, specializing in cloud-based energy asset management.Amperecloud is a Berlin-based SaaS company founded in 2019, specializing in cloud-based energy asset management.
Founded 2019Berlin, Germany$3.6Mlast round Jul 2024 - 43
Lumen EnergyLumen Energy focuses on helping building owners save money with clean energy.Lumen Energy focuses on helping building owners save money with clean energy.
Founded 2019San Francisco, United States$3.0Mlast round Apr 2026 - 44
LithiumBank ResourcesLithiumBank is enabling people to invest in the future of clean-tech energy.LithiumBank is enabling people to invest in the future of clean-tech energy.
Founded 2019Vancouver, Canada$2.8Mlast round May 2026 - 45
EnvolaEnvola provides solutions for smart energy management, renewable energy resources, and energy storage.Envola provides solutions for smart energy management, renewable energy resources, and energy storage.
Founded 2019Ulm, Germany$2.4Mlast round Mar 2022 - 46
resonanz energya machine trading company in the energy sector, automating every step of the value chain, from data to intelligence to executiona machine trading company in the energy sector, automating every step of the value chain, from data to intelligence to execution
Founded 2019Berlin, Germany$2.4Mlast round Aug 2021 - 47
Field CompleteField Complete is a field service management software company based in Atlanta, Georgia.Field Complete is a field service management software company based in Atlanta, Georgia.
Founded 2019Atlanta, United States$1.9Mlast round Jun 2023 - 48
JustclipInformation & Knowledge Organizer.Information & Knowledge Organizer.
Founded 2019Clermont Herault, France$1.6Mlast round Jul 2025 - 49
AnyosANYOS is a French engineering company founded in 2019, based in Toulouse, Occitanie.ANYOS is a French engineering company founded in 2019, based in Toulouse, Occitanie.
Founded 2019Toulouse, France$1.6Mlast round Feb 2023 - 50
RightchargeRightcharge is a London-based technology company founded in 2019, specializing in electric vehicle (EV) charging solutions for both businesses and individual drivers.Rightcharge is a London-based technology company founded in 2019, specializing in electric vehicle (EV) charging solutions for both businesses and individual drivers.
Founded 2019London, United Kingdom$1.4Mlast round Sept 2026
Chiyoda, Japan
El Dorado Hills, United States
United Kingdom
India
Lisbon, Portugal
Jyvaeskylae, Finland
Milan, Luxembourg
Issy-les-moulineaux, France
Sydney, Australia
Rijswijk, Netherlands
Johannesburg, South Africa
Muenster, Germany
Englewood, Canada
SingaporeCompanies founded in 2019 whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.
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C
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ECleantech startups in the United States480 companies · $50BCAR
SCleantech startups that raised in 2026276 companies · $37B in 2026
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OECleantech startups in the United Kingdom156 companies · $8.9BCAR
FECleantech startups in the United States that raised in 2026108 companies · $31B in 2026
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EFCleantech startups in Canada88 companies · $2.4B
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PCleantech startups founded in 202183 companies · $3.7B
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ECleantech startups founded in 202076 companies · $8.3B
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SECleantech startups founded in 202268 companies · $3.7BMore lists worldwide
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RPHealth startups worldwide12,811 companies · $81B
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XAI startups worldwide10,238 companies · $830BGVVRPBiotech startups worldwide7,127 companies · $70B
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FTBig data startups worldwide3,812 companies · $220BAF
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SFintech startups worldwide3,200 companies · $94BOABAI startups that raised in 20262,922 companies · $540B in 2026FT
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PEnergy providers startups worldwide2,808 companies · $152B
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OMarketing tech startups worldwide2,728 companies · $28B