Cleantech Startups
5,220 companies tagged Cleantech, with their investors and founders.
Wint offers an AI-powered platform for water management and leak prevention that monitors water systems in real time, detects anomalies, and can automatically shut off water to prevent damage and reduce waste. It serves commercial and construction facilities, providing consumption analytics, sustainability reporting, and a water damage warranty program across North America, the UK, and the EU.
3 investors
Lithosquare is an AI platform for mineral discovery and exploration that uses geological expertise and machine learning to identify mineral deposits up to 10 times more efficiently. The company serves mining companies conducting mineral exploration and discovery across the US, Europe, Africa, and Latin America.
3 investors
Worldsensing builds wireless data acquisition hardware, including the G7 Vibrating Wire Data Logger, that connects vibrating wire and other geotechnical sensors to transmit measurements remotely. Its devices serve geotechnical, structural, and remote process monitoring applications such as mining, tunneling, and dam/embankment monitoring.
3 investors
Wunder Capital is a technology company that helps organizations deploy renewable energy solutions across their real estate portfolios to accelerate the transition to renewable energy. The company serves commercial real estate owners and operators seeking to implement distributed energy projects.
3 investors
Chaps Retail provides an AI-powered unified commerce platform that synchronizes sales channels (e-commerce, marketplaces, physical stores) and delivers personalized, omnichannel customer experiences. The solution integrates order management, digital in-store tools, omnichannel checkout, CRM, and AI agents for demand forecasting and customer recommendations.
3 investors
Xatoms develops photocatalytic materials for industrial wastewater treatment using an AI-assisted material discovery platform. The company targets water purification by creating customized, reusable catalysts activated by visible light to remove complex contaminants in industrial settings.
3 investors
X Fuel develops alternative transport fuels using patented technologies that compete with fossil fuels on environmental and economic metrics. The company focuses on decarbonizing the transportation industry through sustainable, low-carbon fuel production.
3 investors
Xponent Power makes Xpanse, a retractable solar awning that retrofits onto RVs to generate up to 1200W of off-grid power while taking up minimal roof space. The system includes a mobile app for remotely operating the awning and monitoring real-time energy generation and battery use, targeting the RV and recreational vehicle market.
3 investors
YASA develops axial flux electric motors ('eMotors') and control systems for electric vehicles and other electrification applications, using a proprietary Yokeless And Segmented Armature design that reduces motor size and weight while increasing power and torque density. A subsidiary of Mercedes-Benz, the company designs and manufactures its motors for automotive, supercar, and marine electrification markets from sites in the UK.
3 investors
ZEME provides waste management services and the ZEME 360 cloud platform for automating waste documentation, reporting, and collection scheduling, integrating with Poland's BDO registry. It serves industrial plants and retail chains across Poland.
3 investors
Zitara develops software solutions for battery management and monitoring, enabling companies to optimize battery safety, reliability, and performance across design and deployment. The company serves renewable energy and electrification sectors working to reduce costs and waste in battery operations.
3 investors
ZOLA Electric operates the ZOLA iNTELLIGENCE platform, which combines solar hardware with AI-driven software to build distributed energy networks and manage operations, financing, and maintenance for local teams. It targets underserved, off-grid populations in emerging markets to expand access to affordable, reliable clean energy.
3 investors
Creattura develops technology solutions for carbon finance and biodiversity conservation, leveraging satellite data and AI to support climate action and environmental regeneration.
3 investors
Applies microwave technology to chemical manufacturing processes such as calcination, pyrolysis, refining, organic synthesis, and drying, aiming to reduce energy use and support carbon neutrality. Works on collaborative projects with materials, pharmaceutical, mining, and food companies in Japan to modernize industrial production.
3 investors
3DC develops Graphene MesoSponge (GMS), a three-dimensional carbon material invented at Tohoku University, and advanced electrode manufacturing technologies to improve battery performance. The company creates materials for advanced batteries such as lithium-ion batteries to support energy transition.
3 investors
FLOSFIA develops power semiconductor devices based on corundum-structure gallium oxide (α-Ga₂O₃), a material originating from Kyoto University in Japan, using its proprietary water-based "MISTEPITAXY" mist deposition process to achieve lower loss than SiC at silicon-level cost. It targets applications starting with small power supplies and expanding to industrial equipment, power infrastructure, and mobility including electric vehicles.
3 investors
OPTMASS develops transparent solar cells and infrared light-harvesting technology for buildings to generate and distribute electricity on-site. The company aims to achieve decarbonization and carbon neutrality by commercializing heat-control nanoparticles derived from Kyoto University research.
3 investors
Emulsion Flow Technologies (EFT) develops solvent-extraction technology known as "emulsion flow," rooted in nuclear science research, to address resource and environmental problems including lithium-ion battery recycling and PFAS recovery. The company applies element-separation and extraction processes toward sustainable materials recovery.
3 investors
42watt provides manufacturer-independent planning, installation, and ongoing optimization of home energy systems such as heat pumps, working with certified regional master installers and handling subsidy processing for homeowners. The company covers the full process from consultation and individual planning through installation to annual maintenance and remote monitoring, aimed at reducing household energy costs.
2 investors
4Refuel provides 24/7 mobile on-site delivery of dyed diesel, a red-marked off-road fuel with the same formula as ultra low sulfur diesel. It serves companies operating off-road vehicles and equipment in sectors such as construction and agriculture.
2 investors
5B is an Australian company that develops prefabricated, pre-wired ground-mount solar array technology, including its accordion-style Maverick unit, for large-scale solar farm deployment. It operates globally with projects in Australia, the United States, and Central & South America.
2 investors
80 Acres Farms operates indoor vertical farms that grow produce using controlled-environment technology, recycling water and nutrients to reduce resource use and food waste. The company aims to provide fresh, nutritious produce with a focus on sustainable growing and packaging practices.
2 investors
8power builds 'Fit & Forget' wireless sensors that provide real-time condition monitoring, data and analytics for industrial machinery such as pumps, motors and gearboxes, allowing clients to track remote asset performance and plan maintenance. Its patented sensors harvest energy from asset vibrations rather than relying on batteries or wiring, serving industrial customers in the UK water industry with expansion into energy, chemical, HVAC and oil & gas markets.
2 investors
A-Gas supplies and manages the lifecycle of refrigerants, providing recovery, reclamation, and repurposing services for the refrigeration and air conditioning industry. The company captures refrigerant gas for re-use or safe destruction to prevent atmospheric release.
2 investors













