Circular Economy Startups
1,782 companies tagged Circular Economy, with their investors and founders.
Rewind performs permanent carbon removal by backfilling mine voids with sustainably sourced biomass, which simultaneously fulfills mine reclamation obligations for the mining industry. It monitors sealed chambers with digital MRV and issues third-party certified carbon removal credits under Isometric's BSSM module.
3 investors
Rubicon provides tech-enabled waste and recycling services to national brands, small and independent businesses, contractors, and households, offering a platform to track service levels, equipment, pickups, and costs across locations. It also runs Technical Advisory Services for site audits, material recovery, and zero waste program design to help organizations meet sustainability goals.
3 investors
Sanivation partners with local governments and water utilities in African secondary cities to manage waste safely. Its work focuses on sanitation and waste management, with stated goals of cleaning cities, creating jobs, and mitigating climate change.
3 investors
Reusables provides enterprise reuse programs for containers and packaging, using patented tap-based technology that eliminates the need for apps, signups, or deposits. The company serves higher education institutions, resorts, parks, and foodservice operations with trackable containers and automated return solutions.
3 investors
Seenons provides a platform connecting enterprises with waste and recycling partners across multiple countries to optimize waste streams and support circular economy goals. The company serves large enterprises seeking to reduce costs, ensure compliance, and accelerate their transition to zero-waste operations.
3 investors
SOJO is a UK-based clothing repair and alterations platform offering online-booked repair services for consumers and white-label, tech-enabled aftercare solutions for fashion brands, including in-store alterations digitisation and damaged stock recovery. It operates in the circular fashion space, using in-house tailors and an AI-driven booking flow.
3 investors
SOLARCYCLE provides recycling services for solar farm components including solar panels, inverters, transformers, cables, and other power electronics, diverting waste from landfills and recovering metals such as silver, copper, gold, and lead. It serves solar companies in the US with certified recycling, refurbishment, and reporting for clean energy circularity.
3 investors
Solutum Technologies develops a proprietary sustainable material designed as an alternative to single-use flexible plastic packaging, engineered to support recycling, industrial composting, and full biodegradation in soil and water without leaving microplastics or toxic residues. It targets brands and packaging producers seeking to reduce plastic pollution while maintaining performance and cost.
3 investors
Sourgum provides technology solutions for the waste and recycling industry. The company was founded by entrepreneurs with four generations of family experience in waste collection, disposal, and recycling operations.
3 investors
Sparxell designs, engineers, and manufactures plant-based colorants using cellulose, including biomimetic pigments, biodegradable glitter, powders, pearls, foils, and specialty shapes such as sequins. Its products are aimed at high-end consumer product applications, offering an alternative to synthetic dyes, mica, and titania.
3 investors
Stock connects brands and third-party logistics providers with nonprofits to donate excess and obsolete inventory. The platform streamlines the process of redirecting surplus goods to underserved communities.
3 investors
Sulapac develops a biodegradable plastic alternative made from biomaterials that breaks down fully without leaving microplastics, designed for use in packaging and consumer products across industries including cosmetics and food service. The material can be processed using existing plastic manufacturing equipment, enabling companies to transition from conventional plastic to sustainable alternatives.
3 investors
Swedish Algae Factory cultivates diatoms and extracts their silica shells, marketed as Algica®, a material used in high-end oceanic beauty care products and applications such as solar panel efficiency enhancement. The company runs a circular production facility in Kungshamn on the Swedish west coast that captures carbon dioxide, nitrogen, and phosphorus during cultivation.
3 investors
Syntetica develops chemical recycling technologies to make polymers circular, starting with nylon, turning waste into new materials. The company works on green chemistry and process scale-up for industrial applications.
3 investors
Tagaddod collects and aggregates renewable feedstocks such as used cooking oil, acid oils, and waste oils and fats, supplying them to the global biofuels industry through digital collection platforms and traded supply chains. It serves households, HoReCa, and businesses and operates across Africa, Asia, and Europe, with collection in Egypt and Jordan and storage and distribution in the Netherlands.
3 investors
Tern provides commerce technology for managing product returns and reverse logistics for both consumers and merchants. The platform aims to improve the returns experience while reducing environmental waste.
3 investors
Thousand Fell designs recyclable sneakers made from bio-based and recycled materials such as corn-waste bio-leather, recycled rubber, and castor bean oil, built for everyday wear. Customers can return worn sneakers or old clothing through its recycling program, powered by SuperCircle, to earn store credit and keep materials out of landfill.
3 investors
ToZero Solutions develops a proprietary process to recover critical raw materials like lithium and graphite from end-of-life lithium-ion batteries for reintroduction into the supply chain.
3 investors
Trashie is a service that enables consumers to clean out their closets by mailing clothing and accessories in prepaid bags, which are then sorted, resold, recycled, or donated, with users earning cash rewards for each bag submitted. The company diverts textiles from landfills through a membership model targeting individuals seeking convenient textile disposal with financial incentives.
3 investors
TWICE is a commerce operating system for rental and resale businesses, built around serialized inventory that tracks each item as a unique asset with its own lifecycle, pricing, and profitability. It combines inventory, listings, order management, payments, and a built-in CRM to handle rentals, sales, and subscriptions across online stores, in-store kiosks, and third-party marketplaces, with an API-first architecture supporting AI agents.
3 investors
Uncaged Innovations is a biomaterials company that makes grain- and plant-based leather alternatives using its proprietary BioFuze platform, which replicates the collagen structure of animal leather. Its Elevate material is a tanning-free, scalable leather substitute aimed at industries seeking sustainable, luxury-quality materials.
3 investors
Underdog sells refurbished and second-hand household appliances to consumers, with reconditioning done in France and a 2-year warranty included. It offers delivery, old-appliance trade-in, and after-sales support, with a stated focus on the French market.
3 investors
UNLESS Collective makes apparel and footwear from plant-based materials with no plastic, designed to be compostable or recyclable at end of life. It runs a take-back program where customers return worn gear for store credit and the items are repaired, recycled, or composted.
3 investors
Veracity Protocol develops Vision AI-based protocols for product authentication, serialization, and traceability using microstructure fingerprinting without physical tags or invasive methods. The platform serves manufacturers and supply chain operators across all industries to comply with digital product passport regulations and detect counterfeits.
3 investors