Cleantech Startups
5,221 companies tagged Cleantech, with their investors and founders.
Fonontech develops advanced semiconductor and microelectronics manufacturing technology using additive manufacturing techniques to create smaller, more efficient components with significantly reduced environmental impact and energy consumption.
3 investors
Forge Minerals converts carbon dioxide from biogenic emissions into high-purity magnesium carbonates using advanced chemical processes. The company develops carbon-negative mineral products intended to replace carbon-intensive materials used in construction, pharmaceuticals, manufacturing, and other industrial applications.
3 investors
Fram Energy provides billing infrastructure for distributed energy assets, handling automated billing, invoicing, payments, and revenue collection across solar, storage, and PPAs. It serves energy sellers and asset operators including multifamily solar portfolios, C&I and utility-scale power purchase agreements, and energy storage projects.
3 investors
Frost Methane Labs installs and remotely operates cover-and-flare systems that capture and destroy methane from livestock manure storage, then sells the resulting carbon credits and shares revenue with farms. It serves dairy, pig, and cattle farmers, agricultural co-operatives, and food and consumer packaged goods brands, and can also deploy its technology at abandoned coal mines, landfills, and natural methane sources.
3 investors
Fuchs & Eule advises decision-makers in the real estate industry on preserving and increasing property value through data-based portfolio screening, energy retrofit consulting, and funding/subsidy management. Its clients include asset managers, family offices, property holders, real estate funds, and housing companies across Germany.
3 investors
Furno (Furno Materials) is developing modular, energy-efficient cement plants that produce ASTM-certified clinker locally using oxyfuel combustion and machine learning for combustion optimization. It targets on-shoring of cement production for the construction materials industry with a focus on reducing emissions and enabling CO2 capture.
3 investors
GA Drilling develops drilling tools intended for energy projects. The company positions its technology within customers' energy strategies, though the page provides limited concrete detail about the products.
3 investors
Gelatex Technologies develops nanofiber production technology for use in food production, medical applications, and sustainable materials. The company focuses on creating materials with lower environmental impact across multiple industrial sectors.
3 investors
Glanris produces designer biochar (Biocarbon) made from rice waste for use as a soil amendment, a filler in materials like asphalt, concrete, and drywall, and as a water and air filtration medium. The company applies biochar as a circular economy tool for carbon sequestration, reducing agricultural greenhouse gases, and providing affordable clean water technology.
3 investors
GLM is a Japanese electric vehicle company that develops and sells environmentally friendly automobiles and related services, including EV sports cars and EV platforms. It originated from a Kyoto University electric vehicle project and produces the Tommykaira ZZ EV sports car along with EV platform rental and component development.
3 investors
Glow is a sustainable energy platform that deploys solar farms across multiple continents, facilitating crowdsourced renewable energy projects and institutional investments to deliver clean energy at scale to regions in need.
3 investors
Go Eve develops DockChain, a patented sequential charging technology that enables multiple electric vehicles to charge from a single DC fast charger without power sharing or speed reduction. The modular hardware and software solution serves fleet operators and charging infrastructure providers seeking to maximize charging capacity and utilization.
3 investors
Go-Tou works on decarbonizing transport systems by addressing carbon emissions from mobility and freight. The company focuses on solutions to support the transition to sustainable transport and meet 2050 climate commitments.
3 investors
GoodLeap provides financing and software tools that connect homeowners with contractors for home improvement and energy-efficient upgrades such as solar systems, offering a mobile app for account management and system monitoring. It also serves contractors and developers with lending software, APIs, and AI-enabled tools, operating across the United States.
3 investors
Greenely offers a platform that lets households control, optimize, and reduce their electricity costs while earning from their energy automatically. The company focuses on consumer energy management and sustainable energy solutions for homes.
3 investors
Greenitio develops bio-based specialty ingredients that replace petrochemical and microplastic-based materials in cosmetics and personal care, using a patented green chemistry platform to convert natural polymers into biodegradable alternatives. Its materials target functions such as SPF boosting, texture, and stability, and address the EU's upcoming ban on intentionally added microplastics.
3 investors
Greyparrot provides AI-based waste intelligence that analyzes material flowing through materials recovery facilities, generating data for the teams sorting waste and the brands designing packaging. Its technology aims to improve recovery of recyclable resources in the recycling industry.
3 investors
GridCARE offers an AI-native platform, Energize, that helps data centers and electric utilities unlock latent grid capacity and accelerate power delivery to large-scale AI infrastructure. Its tools analyze locations, activate flexible grid capacity, and monitor real-time dispatch to bring AI data centers online faster.
3 investors
Goanna Ag provides on-farm data collection and irrigation management tools that help growers schedule irrigation, improve water-use efficiency, and increase crop yields. Its solutions, including the GoField product, serve cotton and other farmers primarily in Australia and the U.S.
3 investors
H2SITE develops palladium-alloy membrane reactor technology that separates and purifies hydrogen from carriers like ammonia, methanol, and syngas, as well as from gas mixtures in pipelines and storage infrastructure. The systems target long-distance hydrogen transport and infrastructure for industrial and mobility decarbonization, primarily addressing markets in Europe and East Asia.
3 investors
Heex Technologies offers a data management platform that automatically extracts the most relevant data at the edge, helping engineering teams move from Big Data to Smart-Data for AI development. It targets companies building AI systems that need more precise data while reducing the resource costs of development.
3 investors
Heimdall Power provides real-time grid monitoring technology (grid sensors and analytics) that gives utilities and grid operators visibility into power line and system behavior to unlock capacity and improve operational planning. It serves electric utilities and distribution/transmission system operators.
3 investors
Hephae Energy Technology develops drilling design and measurement equipment aimed at harnessing the earth's heat for geothermal power, drawing on the founders' background in the energy and oil & gas industries. It focuses on resource-efficient, lower-emission technology for the clean energy sector.
3 investors
HEVO develops wireless charging technology for electric vehicles, offering a product suite that lets drivers charge by parking over a charging pad. The company targets EV drivers and the electric grid as part of efforts to support electric vehicle adoption.
3 investors