Cleantech Startups
5,221 companies tagged Cleantech, with their investors and founders.
Climeworks develops Direct Air Capture technology to remove carbon dioxide directly from the air, and through Climeworks Solutions designs and manages carbon removal portfolios that combine engineered and nature-based methods. It serves organizations seeking carbon removal, including compliance-ready offerings.
4 investors
C-Motive develops ZeroMag, an electrostatic motor-drive system that eliminates gearboxes, permanent magnets, and most copper for high-torque, low-speed industrial applications. Its motors target uses such as industrial fans, conveyor belts, positive displacement pumps, and other stationary industrial equipment.
4 investors
Coco Delivery manufactures autonomous delivery vehicles designed for urban deliveries. The company operates in multiple US cities and Europe, serving merchants and delivery operators.
4 investors
Concentro operates a platform for transferring clean energy tax credits, handling diligence, insurance, and legal documentation for both developers and corporate buyers. It focuses on distributed generation (DG) projects across solar, wind, battery storage, EV charging, and related renewable energy assets in the US.
4 investors
Coreshell develops battery materials and technology aimed at improving battery capacity, performance, and cost while reducing reliance on critical materials. The company targets clean energy and electrification applications.
4 investors
Cosmic Robotics develops autonomous construction equipment for critical infrastructure projects, starting with solar installations.
4 investors
CoverCress Inc. develops agricultural products and seeds that enable farmers to convert idle winter fields into profitable crops. The company supports sustainable farming practices and creates renewable energy feedstock through partnerships with farmers, grain handlers, and biofuel producers.
4 investors
Dance offers electric mobility subscriptions for bikes and mopeds in European cities, including maintenance and repairs. The service targets both individuals and businesses seeking flexible, sustainable transportation alternatives to ownership.
4 investors
DayOne builds data center infrastructure using prefabricated modular construction, liquid cooling technologies, and a proprietary infrastructure management platform for hyperscale and edge clients. Its work includes projects in Johor, Malaysia, with a focus on fast delivery, energy efficiency, and sustainable, renewable-ready design.
4 investors
Deep Sky develops carbon removal technology, leveraging geological expertise and subsurface engineering to address climate change. The company operates with teams of geologists, climate scientists, and software engineers across multiple countries.
4 investors
De-Ice develops an electric heating technology for aircraft de-icing, eliminating chemical spraying and reducing departure delays. The company plans to expand its technology to applications like wind turbine maintenance.
4 investors
DetraPel manufactures PFAS-free protective coatings and stain-repellent technologies for use in textiles, packaging, healthcare, and electronics. The company serves consumer and industrial customers seeking sustainable, non-toxic alternatives to traditional fluorinated chemistry.
4 investors
Dimensional Energy develops catalyst and service technology for producing sustainable fuels, licensed to project partners through a recurring, capital-light licensing model. The company sells catalyst and service bundles to enterprises and project developers.
4 investors
Dirty Labs makes bio enzyme laundry detergents and boosters using its Phytolase enzyme-based cleaning technology, offering nontoxic, biodegradable formulas as an alternative to conventional chemical cleaners. The consumer products are certified EPA Safer Choice and USDA Biobased and packaged in recyclable aluminum and cardboard.
4 investors
Dodai builds electric motorcycles designed for African roads, along with IoT-enabled battery systems and a battery-swapping station network. It has deployed over 2,000 e-bikes in Ethiopia and is developing mobility infrastructure across the region.
4 investors
Dollaride accelerates electrification of passenger van fleets in New York City by providing access to electric vehicles, charging infrastructure, financing, and workforce development for underserved communities and small fleet operators. The company operates a clean mobility platform serving fleet operators and community-based organizations.
4 investors
Downforce Technologies operates a data-driven platform that measures soil organic carbon, soil health and biodiversity using high-resolution remote data instead of physical soil sampling. It serves farmers, landowners and agricultural, food and fashion supply chains for carbon monitoring, regenerative farming, and sustainability reporting and compliance.
4 investors
e-mobilio provides a digital ecosystem for electric mobility, offering fleet electrification, charging infrastructure, billing systems, and a digital purchase advisor with product matching for EV charging stations and wallboxes. It serves fleet managers, car dealerships, OEMs, and private customers, operating in Germany.
4 investors
e-Zinc develops zinc-based long-duration energy storage technology that decouples energy from power to provide reliable, lower-cost backup power and grid support. The modular, scalable system serves grid operators and end-users seeking resilient, low-carbon alternatives to fossil fuel power.
4 investors
Ecolectro is an e-commerce site providing information on goods and services, with the ability for users to contact the company and sign up for a mailing list.
4 investors
Electra operates a network of fast-charging stations for electric vehicles across Europe, aiming to remove adoption barriers by making EV charging convenient and time-efficient for motorists. The company innovates across technology, infrastructure, and mobility services to establish itself as a European leader in EV charging infrastructure.
4 investors
Electra AI offers an AI software platform ("AI Brain for Batteries") that provides real-time monitoring, predictive maintenance, and optimization for batteries used in utility-scale energy storage systems (BESS), EVs, robotics, and aviation. Its analytics tools estimate battery state of health, extend battery lifespan, reduce downtime, and improve return on investment for operators across the energy and mobility sectors.
4 investors
eFlow extracts lithium from dilute brines in North America using direct lithium extraction technology, serving the clean energy and electric vehicle supply chain. The company focuses on domestic lithium production with minimal water and chemical use, positioning itself as an alternative to traditional mining operations.
4 investors
Elephant Energy provides end-to-end home electrification services for homeowners, handling heat pump and heat pump water heater installation including sizing, contractors, rebates, inspections, and electrical work. The company operates in the residential climate and clean energy market, serving areas including Colorado, Boston, and Los Angeles in the US.
4 investors