Cleantech Startups
5,227 companies tagged Cleantech, with their investors and founders.
Avidbots makes autonomous floor-cleaning robots and supports customers globally through a network of channel partners. The company operates offices and partners across Canada, the US, Australia, Japan, South Korea, and the UK.
9 investors
Clean Crop develops plasma-based seed treatment technology and hardware systems for treating seeds and food surfaces in the agriculture sector. It serves grain, nut, horticulture, and agro-input markets through R&D and commercial pilot operations.
9 investors
Copper makes induction stoves with integrated battery energy storage that enable home electrification without major electrical upgrades. The appliances support grid decarbonization by charging when electricity is cleanest and provide power during cooking without requiring 240-volt wiring retrofits.
9 investors
Energy Web builds blockchain-based infrastructure and a marketplace (Energy Web X) offering compute pools such as SmartFlow, Carbon-Aware, and GP4BTC for energy and sustainability applications. Founded in 2017, it serves the energy sector with decentralized technology for real-world energy and sustainability use cases.
9 investors
enspired provides data-based optimization of battery energy storage systems (BESS), using algorithmic cross-market trading in power markets to maximize revenue, efficiency, and battery lifespan for asset owners. The company operates across European power markets, optimizing large BESS projects in Germany and supporting standalone and co-located battery setups.
9 investors
Genomines uses biological systems to extract battery-grade nickel from low-grade soils, producing critical metals at lower cost and environmental impact than traditional mining. The company cultivates "metal farms" to create a more sustainable and decentralized supply chain for nickel used in batteries and electronics.
9 investors
Granular Energy provides software for energy suppliers, traders and buyers to manage and trade Energy Attribute Certificates (RECs, I-RECs, GOs, REGOs) and to build clean power products including hourly-matched and 100% renewable offers. The platform automates third-party verified reporting at portfolio and consumer levels for utilities and energy industry professionals.
9 investors
HIVED is the UK's first parcel delivery company designed for e-commerce, operating with a focus on sustainable and technology-enabled delivery methods. The company serves e-commerce businesses and uses electric vehicles and AI-powered routing to provide efficient last-mile delivery.
9 investors
Joby develops electric aircraft for urban air mobility and air taxi services. The company builds eVTOL (electric vertical takeoff and landing) aircraft for commercial operations and has received FAA Part 135 certification to operate as an air carrier.
9 investors
Koloma explores and produces natural hydrogen to support global decarbonization efforts. The company uses proprietary data and technology to identify hydrogen sources in the United States and globally, positioning the resource as a cost-competitive, reliable clean energy source for industrial and energy applications.
9 investors
Lilac Solutions develops direct lithium extraction technology using ceramic ion exchange media, enabling fast, clean, and affordable lithium production from brines for the electric vehicle and battery industries.
9 investors
SkySpecs provides data management and analytics software for renewable energy asset operators, helping them optimize maintenance and operational decisions for wind and solar installations.
9 investors
SolarSquare designs and installs rooftop solar panel systems for homes, housing societies, and businesses across India, handling inspection, installation, subsidy, financing (EMI plans), and post-installation maintenance. It positions itself as a residential rooftop solar EPC provider offering savings guarantees and long-term service contracts.
9 investors
Sublime Systems develops an energy-saving, carbon-reducing process for manufacturing cement from previously inaccessible minerals. The company serves the cement and construction industries seeking sustainable production methods.
9 investors
Addionics develops porous 3D current collectors ("Smart Metals") that can be integrated into existing battery production lines to improve energy density, lifetime, charging speed, and cost. The chemistry-agnostic technology serves battery and electric vehicle manufacturers seeking lighter, cheaper, and more efficient batteries.
8 investors
Advano manufactures silicon-based anode materials for lithium-ion batteries that improve energy density and reduce costs for electric vehicles. The company supplies engineered materials that integrate into existing battery designs.
8 investors
Amogy develops patented ammonia cracking technology that converts ammonia into electric power for hydrogen fuel cells and engines, targeting decarbonization of heavy industries including transportation and maritime. The company offers modular ammonia-to-power systems and high-efficiency catalysts as alternatives to diesel and hydrogen fuel solutions.
8 investors
Antora manufactures thermal battery systems for long-duration energy storage, serving manufacturers and data centers seeking to tap into low-cost renewable power. The company designs and produces American-made thermal batteries at scale to provide affordable, reliable energy storage for industrial and large-scale energy users.
8 investors
Aralez Bio uses an enzyme-based (biocatalysis) platform to produce noncanonical amino acids and protected amino acid building blocks for peptide therapeutic discovery and manufacturing teams. It positions its enzymatic process as a greener alternative to traditional amino acid synthesis and manufactures at scale in Berkeley, California.
8 investors
Ateios develops electrode manufacturing techniques designed to accelerate production speed, reduce carbon emissions, and decrease the physical footprint of battery manufacturing and gigafactories. The company provides advanced battery, materials, and software solutions to battery manufacturers.
8 investors
Autonomy is an automotive subscription platform that enables vehicle subscription services as a sustainable business model in automotive retail. The company serves automotive retailers and consumers through flexible, subscription-based vehicle access.
8 investors
Axiom Cloud develops software solutions for cooling systems to improve their economic, environmental, and operational sustainability. The company serves businesses that operate refrigeration and cooling equipment.
8 investors
Bevi manufactures smart beverage dispensers with advanced water filtration that serves businesses and organizations seeking to reduce single-use plastic waste. The company creates functional drink options by purifying tap water and offering still, sparkling, flavored, and functional beverage options.
8 investors
Beyond Aero develops electric business aircraft using hydrogen propulsion, designed to achieve range exceeding 800 nautical miles for aviation markets.
8 investors