Circular Economy Startups

Demeter USA is a nonprofit organization that provides Biodynamic certification services for farms and processors, reviewing and inspecting operations to help growers and producers obtain and maintain certification. It serves farmers, processors, and licensees in the United States pursuing biodynamic and organic agricultural practices.

1 investor

DEMGY manufactures and industrializes complex plastic and composite components designed to be lighter than metal, serving high-carbon-footprint industries such as aerospace, defense, medical, automotive, energy, and sports. The company works with recyclable, eco-designed materials through its circular Multiplasturgy concept and offers high-performance polymers for extreme environments.

1 investor

Chairish operates an online marketplace for vintage, antique, and pre-owned furniture, home decor, and art, alongside new products from brands and small makers. It connects buyers with sellers of design pieces and emphasizes resale as a more sustainable alternative to new manufacturing.

1 investor

Desch Plantpak manufactures plastic flowerpots, containers, transport trays, and propagation systems for the horticulture and plant nursery industry. The company offers branded product lines including Recover, D-TectPlus, and Grow and Go.

1 investor

Detoure is a resale marketplace connecting customers with curated secondhand fashion from influencers and fashion icons. The platform reduces fashion waste by enabling access to current trends through trusted fashion voices while donating proceeds to support garment workers and social causes.

1 investor

DiaperRecycle collects used disposable nappies and continence aids from consumers and facilities, processing them into reusable plastic for recyclers and fiber converted into cat litter and compostable materials. The company operates a waste-to-product recycling service based in Australia, reducing landfill waste and carbon emissions while operating in the circular economy.

1 investor

Digested Organics designs and manufactures filtration systems that treat high-solids wastewaters and process streams, helping industrial customers reduce wastewater disposal costs, reclaim clean water for reuse, and produce co-products. It also applies its filtration technology to clarify or concentrate food and beverage products.

1 investor

Dingo Technology is a Western Australian circular economy company that recovers and reuses industrial waste, currently accepting X-ray fluorescent waste discs to divert toxic material from landfill. It is scaling from a pilot facility to commercial production, with an expected output of 15-30 tonnes per annum.

1 investor

Dinoflex manufactures recycled rubber flooring and surfacing solutions for commercial, institutional, sports, and hospitality applications. The company specializes in LEED-certified interior and exterior products designed for architects, designers, and builders.

1 investor

Disal (part of Grupo Ambipar) provides environmental and waste management services based on circular economy principles, helping companies reduce waste generation, optimize handling, and transform waste into resources. It serves industries including agriculture, food and beverage, pulp/cellulose, construction, energy, mining, and events in Chile.

1 investor

Divert builds and operates food waste diversion infrastructure, including anaerobic digestion facilities and reverse logistics processes, to convert unsold and non-donatable food products into energy for retail and grocery customers. Operating in the US since 2007, it also runs a proprietary IoT and data platform to track and reduce food waste.

1 investor

DK Fine Chem researches and develops natural cellulose-based materials for sustainable applications. The company produces specialty additives and coatings for industrial and consumer markets.

1 investor

DOEN Ventures is an investment firm that provides loans and equity funding to entrepreneurs building businesses with social or environmental objectives, such as sustainable food production, circular fashion, and ethical electronics manufacturing.

1 investor

Doji provides a trade-in system that lets retail stores accept customers' used smartphones as part of payment, using a questionnaire plus electronic (Phonecheck) and AI-based cosmetic verification to grade device condition. Aimed mainly at physical stores in Brazil's used-phone market, it charges a per-transaction fee and connects to partner buyers, with a consumer arm (Usado) for individuals selling their phones.

1 investor

Dressfolk is an Indian fashion e-commerce retailer that sells pre-stitched sarees designed to be worn like dresses, with customization options for fit and optional blouse fabric add-ons. The company serves customers across India and internationally with domestic free shipping and handcrafted garment care.

1 investor

DressyClub is a peer-to-peer marketplace app that enables college students to rent, buy, sell, and loan clothing with other students on their campus. The platform operates as a closed community marketplace focused on affordable fashion and sustainable consumption for university communities.

1 investor

Local Weather is a sports drink brand that combines natural electrolytes and nootropics with 6g of real cane sugar and 35 calories per serving, packaged in recyclable aluminum bottles. The company targets athletes and active consumers seeking lower-sugar alternatives to traditional sports drinks.

1 investor

Drinkwell Systems develops HIX-Nano, a regenerable ion exchange nanotechnology that removes arsenic, fluoride, and other groundwater contaminants for governments and utilities. The company serves public water systems and communities, particularly in regions with contaminated groundwater, offering 70% lower lifecycle costs than reverse osmosis.

1 investor

Driven Plastics upcycles plastic waste into a modified asphalt binder that improves asphalt quality and cost through a community-based collection and local processing model. The company operates facilities that transform difficult-to-recycle plastics into construction-grade material for use by asphalt contractors and suppliers.

1 investor

Der Grüne Punkt operates a dual system for packaging licensing under German packaging law, helping manufacturers and retailers register and license their packaging, design more recyclable packaging, and source recycled plastics. The company recovers plastics from household collections and processes them into recycled feedstock to keep materials in a closed loop, with a focus on the German market.

1 investor

DTG is a hauling company offering dumpster rentals, grapple truck services, and portable sanitation across the Pacific Northwest, serving construction, demolition, and industrial projects. Founded in 1999, it focuses on moving material efficiently and keeping job sites running while partnering with providers for specialized services.

1 investor

Ductor builds and operates facilities that convert agricultural waste into sustainable organic fertilizers and biogas for renewable energy production. The company serves the agriculture and energy sectors with circular economy solutions.

1 investor

Dunatura offers pre-portioned daily supplement packs designed to simplify supplement routines for fitness enthusiasts and muscle builders. The product provides pre-measured dosages in convenient daily packets.

1 investor

DyeRecycle develops a chemical process to remove dyes from colored textile waste, enabling PET plastic fiber to be recycled at the quality of virgin material. The company serves the textile and apparel industry to reduce waste from fast fashion.

1 investor