Cleantech Startups
5,220 companies tagged Cleantech, with their investors and founders.
Turno operates a battery intelligence and lifecycle management platform for commercial electric vehicles in India, leasing commercial EVs and repurposing their used batteries into second-life energy storage. Its valuation system supports vehicle financing for drivers and fleet operators (including bus operators) and builds energy storage products from Grade A second-life EV cells.
3 investors
TVARIT is a deep-tech company that develops a patented industrial AI platform (TiA) for foundries and metalworking manufacturers to improve overall equipment efficiency and reduce waste and energy use. It targets sustainable, zero-waste manufacturing in the metal production industry.
3 investors
Twelve operates AirPlant One, a commercial-scale eManufacturing facility in Moses Lake, Washington, that converts CO2, water, and renewable electricity into products including E-Jet fuel and E-Naphtha, a chemical building block. The company develops industrial technologies for producing fuels and everyday chemical products from carbon dioxide.
3 investors
Ubicquia builds intelligent infrastructure products, including smart streetlighting systems with data analytics, that connect to existing utility and city assets. It serves utilities and municipalities in the smart city and grid infrastructure market.
3 investors
The Ocean Company builds dual-domain systems for coastal ecosystem restoration and maritime infrastructure security. The company serves organizations working in ocean and coastal protection sectors.
3 investors
Urbio provides an AI-powered software platform for planning and designing district heating networks, combining curated geospatial energy data, a digital twin, scenario design, and automated reporting. It serves energy transition professionals, utilities, and municipalities across Europe to locate, densify, and extend heating networks and valorize waste heat.
3 investors
Vamo offers residential air-to-water heat pumps as a complete package, handling consultation, subsidy applications, and installation within three days, plus ongoing remote monitoring and warranty through its Vamo Care service and app. It targets German homeowners replacing older gas or oil heating systems.
3 investors
Verde Technologies develops ultra-thin, flexible perovskite solar cells using roll-to-roll manufacturing, offering high power-to-mass and radiation tolerance for space and defense power applications, with future terrestrial uses. The company is a U.S.-based manufacturer targeting lightweight solar power markets.
3 investors
Verde Technologies develops ultra-thin, flexible perovskite solar cells using roll-to-roll manufacturing, offering high power-to-mass and radiation tolerance for space and defense markets, with future terrestrial applications. The company operates U.S.-based domestic manufacturing and has demonstrated over 24% power conversion efficiency.
3 investors
Verdox develops an electrochemical carbon capture system that uses electrical energy alone to capture and release CO₂ from both industrial point sources and ambient air. The modular, patent-protected technology targets industrial emitters seeking cost-effective carbon removal and decarbonization.
3 investors
Verne builds and operates behind-the-meter power generation to deliver firm, clean power. It offers a repeatable and affordable pathway for customers seeking reliable on-site electricity supply.
3 investors
Versogen develops anion exchange membrane (AEM) electrolyzers that produce green hydrogen at scale for decarbonizing the energy, chemical, and manufacturing sectors. The company operates in the clean energy and hydrogen technology space.
3 investors
Vertoro develops Goldilocks®, a bio-based platform product made from waste woody biomass or technical lignin combined with a solvent, intended as a renewable alternative to fossil crude oil. The product can be used downstream to make materials, chemicals, fuels, and fuel additives for businesses seeking to lower their carbon footprint.
3 investors
Vespene Energy is an energy development company that provides fully managed, end-to-end electricity solutions, including biogas-to-power projects that convert waste streams into electricity and behind-the-meter on-site generation. It handles the full project lifecycle—origination, energy audits, feasibility, construction, commissioning, and operations—for organizations seeking to manage their own power.
3 investors
Vesta develops Marine Enhanced Rock Weathering, adding carbon-removing olivine sand to coastal systems to permanently remove carbon dioxide, reduce ocean acidity, and support shoreline protection. It works with coastal communities and coastal construction practitioners on nature-based carbon capture projects.
3 investors
Vok Bikes designs and manufactures automotive-grade, four-wheeled electric cargo bikes for commercial last-mile logistics in dense urban environments. Founded in 2020, the company produces its vehicles in Tallinn, Estonia and at Renault Group's Refactory in Flins, France, serving clients across Europe.
3 investors
Volexion develops cathode active material encapsulation technology and drop-in composite materials for lithium-ion battery manufacturing, improving cycle life, power density, temperature range, and voltage window. Its materials target consumer electronics, specialty applications such as drones, micromobility, and defense, and electric vehicle battery makers seeking higher energy density and lower costs.
3 investors
Volocopter manufactures electric vertical takeoff and landing (eVTOL) aircraft for urban air mobility, including air taxis and passenger aircraft designed to reduce city congestion and emissions. The company develops all-electric aviation solutions serving metropolitan transit markets globally.
3 investors
Voltify develops battery-electric locomotives and microgrid charging infrastructure for freight rail, reducing diesel fuel costs through renewable energy systems along rail corridors.
3 investors
Voltiris develops spectral filtering solar modules designed for greenhouse horticulture, transmitting the light frequencies crops need for growth while converting unused parts of the spectrum into renewable energy. The system is aimed at greenhouse growers to lower energy costs, cut CO2 footprint, and reduce peak plant temperature while maintaining crop yield.
3 investors
VoltServer develops fault-managed power distribution systems (Digital Electricity) for delivering electrical power to buildings and infrastructure projects. It serves customers and partners in the energy and electrical power distribution industry.
3 investors
Vycarb builds an aqueous chemical reactor and real-time sensing system that convert industrial CO₂ into stable bicarbonate using water, permanently storing carbon. The technology targets emissions from hard-to-decarbonize sectors such as power, oil & gas, chemicals, biogas, cement, steel, and aluminum.
3 investors
Wallbox makes charging stations and related hardware for electric vehicles. The company operates in the EV charging and clean energy hardware category.
3 investors
Wildfire Energy is a privately held Australian energy company operating under the Corporations Act 2001. The page offers investor updates and contact details but provides no specifics on the company's products or activities.
3 investors










