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Top 100 Sustainability Startups to Watch in 2026

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The sustainability sector includes a wide range of companies tackling environmental challenges. For example, Serentica Renewables has raised $1.9B for its renewable energy platform, while Fortera is developing zero CO2 cement.

This global field also features companies like France's EcoVadis, which helps assess supply chain performance with $735.8M in funding.

Below is our list of 100 Sustainability startups worth keeping an eye on.

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EcoVadis offers a collaborative platform that allows companies to assess their suppliers' environmental and social performance. Their service provides detailed scorecards and insights to help suppliers improve their sustainability practices.

HeadquartersParis, Ile-de-France, France
Year Founded2007
FoundersFrederic Trinel, Pierre Francois Thaler
Funding Amount$735.8M
Startup SizeMajor Organization (1,001-5,000)
Last Funding StatusSecondary Market
Top InvestorsBlackRock, General Atlantic, CVC Capital Partners, Astorg, Partech

Ultraviolette Automotive builds high-performance electric two-wheelers using advanced battery technology. Their motorcycles are defined by futuristic designs and an engineering focus on delivering a superior riding experience.

HeadquartersBangalore, Karnataka, India
Year Founded2016
FoundersNarayan Subramaniam, Niraj Rajmohan
Funding Amount$90.2M
Startup SizeLarge Team (251-1,000)
Last Funding StatusVenture Round
Top InvestorsTDK Ventures, Speciale Invest, Lingotto, Zoho, TVS Motor Company

Kemin Industries develops specialty ingredients that help improve the quality and nutritional value of food for people and animals. Their portfolio of science-based products addresses challenges in animal nutrition, human health, and food safety across the globe.

HeadquartersDes Moines, Iowa, United States
Year Founded1961
FoundersMary Nelson
Funding Amount$210M
Startup SizeMajor Organization (1,001-5,000)
Last Funding StatusDebt Financing
Top Investors

Last Energy builds micro modular nuclear power plants designed for rapid, scalable deployment. Their approach provides clean, reliable nuclear power by creating a new, simplified system for development and delivery.

HeadquartersWashington, District of Columbia, United States
Year Founded2020
FoundersBret Kugelmass
Funding Amount$64M
Startup SizeMid-Size Team (51-250)
Last Funding StatusSeries B
Top InvestorsFirst Round Capital, Quiet Capital, Gigafund, Armada Investment AG, Amitis Capital

Serentica Renewables develops and operates renewable energy projects to help decarbonize heavy industries. Their platform provides round-the-clock clean energy by combining solar, wind, and energy storage solutions.

HeadquartersGurgaon, Haryana, India
Year Founded2022
Founders
Funding Amount$1.9B
Startup SizeMid-Size Team (51-250)
Last Funding StatusDebt Financing
Top InvestorsSociete Generale, MUFG Bank, Kohlberg Kravis Roberts, Yes Bank, Rabobank

Pure Lithium manufactures advanced lithium metal battery technology for clean and sustainable energy storage. Their work is centered on creating cost-effective rechargeable batteries to support the broader renewable energy industry.

HeadquartersCharlestown, Massachusetts, United States
Year Founded2020
FoundersDonald Sadoway, Emilie Bodoin
Funding Amount$30.3M
Startup SizeLean Team (11-50)
Last Funding StatusGrant
Top InvestorsUS Department of Energy, Oxy Low Carbon Ventures, WS Investment Company, Sailingstone Capital Partners, Ivanhoe Capital

Clarity AI builds a sustainability technology platform that uses machine learning to deliver environmental and social insights to investors and organizations. Their software helps companies analyze and report on their impact, bringing data-driven clarity to the sustainable investment market.

HeadquartersNew York, New York, United States
Year Founded2017
FoundersRebeca Minguela
Funding Amount$80M
Startup SizeLarge Team (251-1,000)
Last Funding StatusVenture Round
Top InvestorsBlackRock, Founders Fund, Seaya, Fifth Wall, SoftBank Vision Fund

Motiv Power Systems builds all-electric chassis for medium-duty trucks and buses, enabling commercial fleets to go electric. Their core technology powers a range of zero-emission vehicles from delivery vans to school buses.

HeadquartersFoster City, California, United States
Year Founded2009
FoundersJim Castelaz
Funding Amount$310.8M
Startup SizeMid-Size Team (51-250)
Last Funding StatusUndisclosed
Top InvestorsBlackhorn Ventures, Crescent Cove Advisors, Winnebago Industries, 3Lines, Jason Haider

Fortera created a materials technology to produce low-carbon cement for the construction sector. Their process works as a bolt-on addition for existing plants, capturing CO2 emissions and converting them into a ready-to-use cementitious material.

HeadquartersSan Jose, California, United States
Year Founded2007
FoundersMichael Weiss, Ryan Gilliam, Samir Kaul
Funding Amount$175.5M
Startup SizeMid-Size Team (51-250)
Last Funding StatusVenture Round
Top InvestorsTemasek Holdings, Alumni Ventures, Khosla Ventures, Hercules Capital, Wollemi

Amogy builds carbon-free energy solutions powered by a novel ammonia-cracking technology. Their system is designed to decarbonize heavy-duty transportation, offering a clean energy alternative for sectors like maritime shipping and trucking.

HeadquartersBrooklyn, New York, United States
Year Founded2020
FoundersHyunho Kim, Jongwon Choi, Seonghoon Woo, Young Suk Jo
Funding Amount$298.3M
Startup SizeMid-Size Team (51-250)
Last Funding StatusVenture Round
Top InvestorsTemasek Holdings, Amazon, BonAngels Venture Partners, Pathway Capital Management, Collaborative Fund

90 Additional Sustainability Startups Worth Following

The top 10 are just a small slice of what’s happening in sustainability. Founders are building new things in every corner of the industry, from farming to finance.

Combined, the companies have raised over $15 billion, with many working in energy, agriculture, and manufacturing. Here’s a look at the other startups shaping the field in 2026.

StartupMain IndustryYear FoundedAmount RaisedLast Funding Round
Inari logo InariAgTech2016$753MSeries G
Tise logo TiseMarketing2014$37.6MVenture Round
Spring Free EV logo Spring Free EVMobility2021$38.2MPrivate Equity
Refiberd logo RefiberdAI2020$4.7MSeed
Mill logo MillAgTech2020$70.4MSeries C
AtoB logo AtoBFintech2019$312MSeries C
Ascend Elements logo Ascend ElementsManufacturing2015$1.8BSecondary Market
Basecamp Research logo Basecamp ResearchAI2019$79.9MSeries B
Versant logo VersantEnvironment2023$640kPre-Seed
The EVERY Company logo The EVERY CompanyBiotech2015$241.8MGrant
Metalchemy logo MetalchemyBiotech2019£1.6MEquity Crowdfunding
Genesis Systems logo Genesis SystemsEnvironment2017$46.1MVenture Round
Farmers Business Network logo Farmers Business NetworkAgTech2014$967.9MVenture Round
UNCAGED Innovations logo UNCAGED InnovationsBiotech2020$7.9MSeed
TrusTrace logo TrusTraceEnterprise2016$31.6MSeries B
MycoWorks logo MycoWorksBiotech2013$187MSeries D
UPSIDE Foods logo UPSIDE FoodsFood2015$581MGrant
Phoenix Tailings logo Phoenix TailingsManufacturing2019$102.6MSeries B
ZwitterCo logo ZwitterCoEnvironment2018$98.8MSeries B
Spoiler Alert logo Spoiler AlertEnterprise2015$16.2MSeries A
Zypp Electric logo Zypp ElectricEnergy2017$90.9MSeries C
Fourier logo FourierEnergy2022$18.6MSeries A
Regrow Ag logo Regrow AgAgTech2016$63.6MVenture Round
AMEA Power logo AMEA PowerEnergy2016$1.4BDebt Financing
Claros Technologies logo Claros TechnologiesManufacturing2018$38.2MConvertible Note
Gradiant logo GradiantEnergy2013$392.4MSeries D
Rodatherm Energy logo Rodatherm EnergyEnergy2021$38MSeries A
Sweep logo SweepEnvironment2020$99.9MSeries B
Hitachi Energy logo Hitachi EnergyHardware1900$24.2MGrant
Evolved By Nature logo Evolved By NatureBiotech2013$190MSeries C
SUS Environment logo SUS EnvironmentEnergy2008$175MDebt Financing
Redwood Materials logo Redwood MaterialsManufacturing2017$3.8BSeries D
Air Protein logo Air ProteinBiotech2019$107MVenture Round
Cetasol logo CetasolManufacturing2021$4.3MSeed
TRAVARAS logo TRAVARASRetail2023$1.5MPre-Seed
Finmile logo FinmileAI2022$8MSeed
CO2 AI logo CO2 AISaaS2023$12MSeed
beSirius logo beSiriusAI2022$4.8MSeed
Tibo Energy logo Tibo EnergyAI2022$9MSeed
eFishery logo eFisheryAgTech2013$372.9MDebt Financing
Datia logo DatiaFintech2019$4.1MSeed
Heura Foods logo Heura FoodsFood2017$117MDebt Financing
Solinftec logo SolinftecAgTech2007$198.8MSeries D
Power Dime logo Power DimeAI2024CA$220kPre-Seed
Carbo Culture logo Carbo CultureEnvironment2016$27.5MSeries A
BioLumic logo BioLumicAgTech2013$53.3MSeries B
MediSun Energy logo MediSun EnergyEnergy2023$12.7MSeed
Greenly logo GreenlyEnvironment2019$78MSeries B
Sparxell logo SparxellManufacturing2022$5.2MGrant
Planet A Foods logo Planet A FoodsFood2021$73.4MSeries B
Shellworks logo ShellworksBiotech2019$7.6MSeed
volvero logo volveroMedia2018$1MGrant
Provectus Algae logo Provectus AlgaeAgTech2018$29.9MGrant
AIR VEV logo AIR VEVMobility2017$39MSeries A
NoPalm-Ingredients logo NoPalm-IngredientsFood2021$8.5MSeed
KASA Tech logo KASA TechHealthcare2025Series A
Greenomy logo GreenomyFintech2020$13.5MDebt Financing
PulPac logo PulPacFood2018$64.7MDebt Financing
Spiber logo SpiberManufacturing2007$976.1MPrivate Equity
Thorizon logo ThorizonEnergy2018$42.5MSeries A
Avenir logo AvenirFintech2023$648.8kPre-Seed
Bapco Energies logo Bapco EnergiesEnergy2007$3BDebt Financing
Tanso logo TansoAnalytics2021$22.8MSeries A
Alpha Foods logo Alpha FoodsFood2015$40.4MSeries A
Offgrid Energy Labs logo Offgrid Energy LabsEnergy2018$15MSeries A
GKinetic Energy logo GKinetic EnergyEnergy2014€4.6MGrant
Vytal logo VytalFood2019€34.6MVenture Round
Oben Electric logo Oben ElectricMobility2020$14.4MSeries A
Modern Milkman logo Modern MilkmanRetail2018£66.3MEquity Crowdfunding
Recove logo RecoveEnterprise2024₹53MPre-Seed
HyET Solaris logo HyET SolarisEnergy2008€60MPrivate Equity
Chara Technologies logo Chara TechnologiesEnvironment2019$5.6MSeed
Jakson Green logo Jakson GreenEnergy2022₹3.6BDebt Financing
Sea6 Energy logo Sea6 EnergyEnergy2010$27.4MSeries B
Planet Farms logo Planet FarmsAgTech2017€54.1MSeries B
eAgronom logo eAgronomAgTech2016$26.7MSeries A
Carbonfuture logo CarbonfutureEnvironment2020$8.1MSeries A
GravitHy logo GravitHyManufacturing2022€60MVenture Round
Chint New Energy logo Chint New EnergyManufacturing2009CN¥1.5BSeries B
microTERRA logo microTERRAAgTech2019$13MSeed
AirForestry logo AirForestryRobotics2019$14.6MGrant
Louis Dreyfus Company logo Louis Dreyfus CompanyAgTech1851$100MPrivate Equity
Planted Green logo Planted GreenFood2021€6MSeed
Solasta Bio logo Solasta BioBiotech2020$21.7MSeries A
GrowUp Farms logo GrowUp FarmsAgTech2013£139.1MPrivate Equity
Lodestone Energy logo Lodestone EnergyEnergy2020$520.8MVenture Round
Walk15 logo Walk15Enterprise2019€3.1MSeed
Easy Carros logo Easy CarrosMedia2015R$121.3MDebt Financing
measurable.energy logo measurable.energyEnergy2018£8.5MVenture Round
Lumoview Building Analytics logo Lumoview Building AnalyticsAnalytics2019€5.5MSeed

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