Top 100 Sustainability Startups to Watch in 2026
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.
Failory's Top 10 Picks
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.
| Headquarters | Paris, Ile-de-France, France |
| Year Founded | 2007 |
| Founders | Frederic Trinel, Pierre Francois Thaler |
| Funding Amount | $735.8M |
| Startup Size | Major Organization (1,001-5,000) |
| Last Funding Status | Secondary Market |
| Top Investors | BlackRock, 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.
| Headquarters | Bangalore, Karnataka, India |
| Year Founded | 2016 |
| Founders | Narayan Subramaniam, Niraj Rajmohan |
| Funding Amount | $90.2M |
| Startup Size | Large Team (251-1,000) |
| Last Funding Status | Venture Round |
| Top Investors | TDK 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.
| Headquarters | Des Moines, Iowa, United States |
| Year Founded | 1961 |
| Founders | Mary Nelson |
| Funding Amount | $210M |
| Startup Size | Major Organization (1,001-5,000) |
| Last Funding Status | Debt 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.
| Headquarters | Washington, District of Columbia, United States |
| Year Founded | 2020 |
| Founders | Bret Kugelmass |
| Funding Amount | $64M |
| Startup Size | Mid-Size Team (51-250) |
| Last Funding Status | Series B |
| Top Investors | First 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.
| Headquarters | Gurgaon, Haryana, India |
| Year Founded | 2022 |
| Founders | — |
| Funding Amount | $1.9B |
| Startup Size | Mid-Size Team (51-250) |
| Last Funding Status | Debt Financing |
| Top Investors | Societe 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.
| Headquarters | Charlestown, Massachusetts, United States |
| Year Founded | 2020 |
| Founders | Donald Sadoway, Emilie Bodoin |
| Funding Amount | $30.3M |
| Startup Size | Lean Team (11-50) |
| Last Funding Status | Grant |
| Top Investors | US 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.
| Headquarters | New York, New York, United States |
| Year Founded | 2017 |
| Founders | Rebeca Minguela |
| Funding Amount | $80M |
| Startup Size | Large Team (251-1,000) |
| Last Funding Status | Venture Round |
| Top Investors | BlackRock, 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.
| Headquarters | Foster City, California, United States |
| Year Founded | 2009 |
| Founders | Jim Castelaz |
| Funding Amount | $310.8M |
| Startup Size | Mid-Size Team (51-250) |
| Last Funding Status | Undisclosed |
| Top Investors | Blackhorn 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.
| Headquarters | San Jose, California, United States |
| Year Founded | 2007 |
| Founders | Michael Weiss, Ryan Gilliam, Samir Kaul |
| Funding Amount | $175.5M |
| Startup Size | Mid-Size Team (51-250) |
| Last Funding Status | Venture Round |
| Top Investors | Temasek 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.
| Headquarters | Brooklyn, New York, United States |
| Year Founded | 2020 |
| Founders | Hyunho Kim, Jongwon Choi, Seonghoon Woo, Young Suk Jo |
| Funding Amount | $298.3M |
| Startup Size | Mid-Size Team (51-250) |
| Last Funding Status | Venture Round |
| Top Investors | Temasek 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.
| Startup | Main Industry | Year Founded | Amount Raised | Last Funding Round |
|---|---|---|---|---|
 Inari | AgTech | 2016 | $753M | Series G |
 Tise | Marketing | 2014 | $37.6M | Venture Round |
 Spring Free EV | Mobility | 2021 | $38.2M | Private Equity |
 Refiberd | AI | 2020 | $4.7M | Seed |
 Mill | AgTech | 2020 | $70.4M | Series C |
 AtoB | Fintech | 2019 | $312M | Series C |
 Ascend Elements | Manufacturing | 2015 | $1.8B | Secondary Market |
 Basecamp Research | AI | 2019 | $79.9M | Series B |
 Versant | Environment | 2023 | $640k | Pre-Seed |
 The EVERY Company | Biotech | 2015 | $241.8M | Grant |
 Metalchemy | Biotech | 2019 | £1.6M | Equity Crowdfunding |
 Genesis Systems | Environment | 2017 | $46.1M | Venture Round |
 Farmers Business Network | AgTech | 2014 | $967.9M | Venture Round |
 UNCAGED Innovations | Biotech | 2020 | $7.9M | Seed |
 TrusTrace | Enterprise | 2016 | $31.6M | Series B |
 MycoWorks | Biotech | 2013 | $187M | Series D |
 UPSIDE Foods | Food | 2015 | $581M | Grant |
 Phoenix Tailings | Manufacturing | 2019 | $102.6M | Series B |
 ZwitterCo | Environment | 2018 | $98.8M | Series B |
 Spoiler Alert | Enterprise | 2015 | $16.2M | Series A |
 Zypp Electric | Energy | 2017 | $90.9M | Series C |
 Fourier | Energy | 2022 | $18.6M | Series A |
 Regrow Ag | AgTech | 2016 | $63.6M | Venture Round |
 AMEA Power | Energy | 2016 | $1.4B | Debt Financing |
 Claros Technologies | Manufacturing | 2018 | $38.2M | Convertible Note |
 Gradiant | Energy | 2013 | $392.4M | Series D |
 Rodatherm Energy | Energy | 2021 | $38M | Series A |
 Sweep | Environment | 2020 | $99.9M | Series B |
 Hitachi Energy | Hardware | 1900 | $24.2M | Grant |
 Evolved By Nature | Biotech | 2013 | $190M | Series C |
 SUS Environment | Energy | 2008 | $175M | Debt Financing |
 Redwood Materials | Manufacturing | 2017 | $3.8B | Series D |
 Air Protein | Biotech | 2019 | $107M | Venture Round |
 Cetasol | Manufacturing | 2021 | $4.3M | Seed |
 TRAVARAS | Retail | 2023 | $1.5M | Pre-Seed |
 Finmile | AI | 2022 | $8M | Seed |
 CO2 AI | SaaS | 2023 | $12M | Seed |
 beSirius | AI | 2022 | $4.8M | Seed |
 Tibo Energy | AI | 2022 | $9M | Seed |
 eFishery | AgTech | 2013 | $372.9M | Debt Financing |
 Datia | Fintech | 2019 | $4.1M | Seed |
 Heura Foods | Food | 2017 | $117M | Debt Financing |
 Solinftec | AgTech | 2007 | $198.8M | Series D |
 Power Dime | AI | 2024 | CA$220k | Pre-Seed |
 Carbo Culture | Environment | 2016 | $27.5M | Series A |
 BioLumic | AgTech | 2013 | $53.3M | Series B |
 MediSun Energy | Energy | 2023 | $12.7M | Seed |
 Greenly | Environment | 2019 | $78M | Series B |
 Sparxell | Manufacturing | 2022 | $5.2M | Grant |
 Planet A Foods | Food | 2021 | $73.4M | Series B |
 Shellworks | Biotech | 2019 | $7.6M | Seed |
 volvero | Media | 2018 | $1M | Grant |
 Provectus Algae | AgTech | 2018 | $29.9M | Grant |
 AIR VEV | Mobility | 2017 | $39M | Series A |
 NoPalm-Ingredients | Food | 2021 | $8.5M | Seed |
 KASA Tech | Healthcare | 2025 | — | Series A |
 Greenomy | Fintech | 2020 | $13.5M | Debt Financing |
 PulPac | Food | 2018 | $64.7M | Debt Financing |
 Spiber | Manufacturing | 2007 | $976.1M | Private Equity |
 Thorizon | Energy | 2018 | $42.5M | Series A |
 Avenir | Fintech | 2023 | $648.8k | Pre-Seed |
 Bapco Energies | Energy | 2007 | $3B | Debt Financing |
 Tanso | Analytics | 2021 | $22.8M | Series A |
 Alpha Foods | Food | 2015 | $40.4M | Series A |
 Offgrid Energy Labs | Energy | 2018 | $15M | Series A |
 GKinetic Energy | Energy | 2014 | €4.6M | Grant |
 Vytal | Food | 2019 | €34.6M | Venture Round |
 Oben Electric | Mobility | 2020 | $14.4M | Series A |
 Modern Milkman | Retail | 2018 | £66.3M | Equity Crowdfunding |
 Recove | Enterprise | 2024 | ₹53M | Pre-Seed |
 HyET Solaris | Energy | 2008 | €60M | Private Equity |
 Chara Technologies | Environment | 2019 | $5.6M | Seed |
 Jakson Green | Energy | 2022 | ₹3.6B | Debt Financing |
 Sea6 Energy | Energy | 2010 | $27.4M | Series B |
 Planet Farms | AgTech | 2017 | €54.1M | Series B |
 eAgronom | AgTech | 2016 | $26.7M | Series A |
 Carbonfuture | Environment | 2020 | $8.1M | Series A |
 GravitHy | Manufacturing | 2022 | €60M | Venture Round |
 Chint New Energy | Manufacturing | 2009 | CN¥1.5B | Series B |
 microTERRA | AgTech | 2019 | $13M | Seed |
 AirForestry | Robotics | 2019 | $14.6M | Grant |
 Louis Dreyfus Company | AgTech | 1851 | $100M | Private Equity |
 Planted Green | Food | 2021 | €6M | Seed |
 Solasta Bio | Biotech | 2020 | $21.7M | Series A |
 GrowUp Farms | AgTech | 2013 | £139.1M | Private Equity |
 Lodestone Energy | Energy | 2020 | $520.8M | Venture Round |
 Walk15 | Enterprise | 2019 | €3.1M | Seed |
 Easy Carros | Media | 2015 | R$121.3M | Debt Financing |
 measurable.energy | Energy | 2018 | £8.5M | Venture Round |
 Lumoview Building Analytics | Analytics | 2019 | €5.5M | Seed |
