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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Get the Sheet for $50EcoVadis 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.