Circular Economy Startups

A direct-to-consumer brand selling tree-free toilet paper made from bamboo, offered via one-time purchase or subscription with a customer portal and gift cards. It targets environmentally conscious consumers seeking sustainable household paper products with plastic-free, recyclable packaging.

1 investor

CLS Environmental Technologies Limited is a material manufacturer and climate technology developer that converts biomass waste such as biochar into high-value graphene materials. It targets heavy industries with applications in advanced construction, solid energy storage, and water purification.

1 investor

CNG is a materials science and advanced manufacturing company that produces films and other material solutions used in food, healthcare, building, and everyday consumer products. The employee-owned company focuses on sustainably-minded, recyclable materials aimed at lowering emissions and reducing plastic waste.

1 investor

CO2 Value Europe is a non-profit association representing the Carbon Capture and Utilisation (CCU) value chain across Europe. It brings together over 100 organisations from industry, startups, universities, research bodies, and regional clusters to advance CCU technologies in support of EU climate targets.

1 investor

Coastal Waste provides solid waste collection, disposal, and recycling services for homeowners, haulers, and developers. The company owns and operates recycling and disposal facilities in the southeastern United States.

1 investor

Coast of Maine makes an organic line of gardening products, including potting soils, raised bed mixes, composts, and blended fertilizers made from ocean- and farm-sourced ingredients. Its OMRI-listed products are sold through local retailers rather than big box stores for home gardeners.

1 investor

CocoaFiber converts cocoa pod husks from chocolate production into regenerated cellulose textile fibers using a proprietary wet-chemistry process. The company targets textile mills, brands, and automotive suppliers seeking bio-based, fossil-free fiber alternatives for apparel, automotive interiors, and soft goods applications.

1 investor

Coffee Circle sources specialty coffee beans from Ethiopia, Colombia, and Kenya through direct, fair-trade relationships with farmers, then roasts them in-house in Berlin and ships climate-neutral to customers. The company sells whole beans via subscription and one-time purchases, along with brewing equipment, to consumers interested in specialty coffee.

1 investor

Coliba Africa collects and recycles plastic waste across West Africa, particularly in Côte d'Ivoire, with a focus on employing informal waste collectors and women. The company operates collection boxes in urban areas and runs a processing facility to produce rPET (recycled PET) flakes for industrial use.

1 investor

Collectively is a consumer platform that helps people discover sustainable brands and plant-based food, offering rewards and benefits for making eco-friendly purchasing choices. It focuses on connecting shoppers with environmentally conscious products.

1 investor

College HUNKS Hauling Junk & Moving is a full-service residential and commercial company offering moving, junk removal, donation pickups, and hourly labor services, with an emphasis on eco-friendly donation and recycling of unwanted items. Founded in 2005 and franchised since 2007, it operates over 200 locations across the United States and Canada.

1 investor

Compactor Rentals of America (CRA) rents and services commercial waste and recycling equipment such as compactors and balers for businesses across the United States. It offers rental programs, maintenance, and equipment buy-back as an alternative to purchasing waste machinery.

1 investor

CSC converts waste into energy by combining existing technologies, aiming to turn waste disposal costs into revenue while reducing carbon footprint. It positions itself as a complete waste-to-energy solution with a focus on sustainability and return on investment.

1 investor

Compost Baladi is a Lebanese social enterprise that manages organic solid waste and converts it into compost and bio-fertilizer through composting, selling the resulting products and partnering with local communities. It also uses technology, trade, and knowledge transfer to support farmers and address Lebanon's waste crisis.

1 investor

Composta+ collects organic waste from businesses and homes and composts it into organic fertilizer, providing customers with bins, training, and personalized collection plans. Subscribers also receive vegetable seedlings monthly as part of the company's nutrient-cycle service in Brazil.

1 investor

Compost Crew offers curbside food scrap and organic waste collection for single-family homes, multi-unit residences, HOAs, businesses, and organizations, diverting food waste from landfills. It also sells compostable products through Key Compostables and its own Farm Feast brand compost made from customer food scraps, serving the Greater Washington area.

1 investor

Compostify makes home-compostable, bio-based bioplastics used for 3D printing filament, plant pots, pins, clips, and safety caps, offered as a drop-in alternative to conventional plastic. It serves 3D printing users, growers and nurseries, retailers, distributors, and construction companies.

1 investor

CompostNow offers compost collection services for homes and businesses, and returns finished soil to local growers through a Compost Giveback and Garden Partners Program. It also provides grant writing, operational management, and infrastructure support for municipal compost programs, and shares diversion data to track impact.

1 investor

CompPair is a Swiss company that develops self-healing (healable) advanced composite materials designed to bring repairability to composite products across sectors such as aerospace. Spun out of EPFL research, its technology supports circular economy practices by extending the life of composite parts.

1 investor

CompPair develops self-healing composite materials and products using its HealTech™ technology, enabling ultra-fast repairs that extend the lifespan of composite structures for aerospace, mobility, rail, and sports applications. The company provides a full suite of solutions including composite products, eco-design services, and recycled fiber integration to prevent waste and preserve material value.

1 investor

comvey offers "シェアバッグ®" (Share Bag), a reusable packaging service that lets e-commerce shoppers choose returnable shipping packaging as an alternative to disposable packaging. It works with retail brands to reduce packaging waste and support repeat purchases and sustainable ("regenerative") business practices.

1 investor

Concord Enviro provides water treatment and reuse solutions, including reverse osmosis and Zero Liquid Discharge (ZLD) systems offered through plug-and-play and pay-per-use models. It serves industrial clients as well as the Indian defense and public sector, with operations spanning five continents.

1 investor

Contec operates a tire recycling plant using continuous rubber pyrolysis technology (Molten®) to convert end-of-life tires into recovered products: recovered Carbon Black (ConBlack®), recovered tire pyrolysis oil (ConPyro®), and recovered steel (ConWire®). These recycled materials serve as sustainable replacements for virgin raw materials in tire and petrochemical manufacturing.

1 investor

Continental Battery supplies and distributes automotive and vehicle batteries through a nationwide network of dealers, serving business, retail, and supplier partners. The company also recycles or reconditions its batteries and has operated in the battery industry since 1932.

1 investor