Circular Economy Startups

Marco transforms discarded coffee grounds from Parisian offices into cosmetic ingredients and biomaterials using supercritical CO2 extraction and green chemistry processes. The company produces natural cosmetic actives (OILCO, BUTTERCO, MARCO) with complete supply chain traceability and reduced carbon footprint.

1 investor

The Margam Green Energy Plant is a biomass power station in the UK that generates renewable energy by burning waste wood. It operates as part of the clean energy infrastructure sector, with fuel supplied under a long-term contract.

1 investor

Marine Metals dismantles large ships using automated, industrial-scale technology to recover high-quality recycled steel while maintaining worker safety and minimizing environmental impact. The company serves shipowners and steel producers seeking sustainable alternatives to traditional ship breaking.

1 investor

MarketEnterprise is a Tokyo-listed company operating online-based reuse (resale/buyback) businesses, a mobile telecommunications (MVNO) business, and related ventures in Japan. It runs buyback and resale platforms for used goods, including agricultural machinery, alongside mobile connectivity services.

1 investor

Matorka operates a land-based, vertically integrated aquaculture business raising Arctic char in Iceland, harvesting to order with full traceability from egg to customer. It sells fresh, certified fish to seafood buyers and holds environmental, labour, and animal welfare certifications.

1 investor

Matriarks Foods is a women-owned food company inspired by traditional cooking practices that transform surplus ingredients into nutritious, filling meals. The company focuses on food sustainability and combating food insecurity through innovative food products.

1 investor

Matsmart/Motatos is an online grocery retailer that sells surplus and near-expiry food and household products at reduced prices to reduce food waste. It operates across several European markets including Sweden, Germany, Finland, Austria, Denmark, and Switzerland.

1 investor

Johnson Matthey is a materials and catalysis company with over 200 years of history in platinum group metals (PGMs). The company operates through core businesses in clean air catalysts for vehicle emission control, PGM services including refining and metal management, clean air solutions for stationary applications, and hydrogen technologies for fuel cells and electrolysers.

1 investor

Sunbelt Solomon supplies, designs, maintains, rents, repairs, recycles, and resells power-distribution equipment such as transformers, voltage regulators, reclosers, and switchgear. It serves utilities and industrial power customers through a national service center network offering new and remanufactured equipment.

1 investor

MBA Polymers recycles plastics from end-of-life durable goods such as computers, electronics, appliances, and automobiles, producing engineered plastics made from 100% post-consumer recycled material. Founded in 1997, it operates production units across Germany, Austria, China, India, and the United Kingdom.

1 investor

MDF Recovery develops patented technology to recycle MDF and panel board waste into clean wood fibres for reintegration into panel production or sustainable products like insulation. The company serves manufacturers and waste managers globally from a UK base.

1 investor

Meatless produces textured plant-based protein ingredients for food manufacturers, serving the vegetarian and plant-based food industry. The company specializes in texturizing ingredients like faba beans, quinoa, and fish alternatives for use in processed food products.

1 investor

MediSun Energy is an integrated brine management company headquartered in Singapore that develops solutions for managing brine waste from industrial processes.

1 investor

BioResin develops bio-separation technology that upcycles agricultural byproducts such as acid whey, pea, and soy waste streams into edible "magnetic" fibers used to capture and purify proteins. Its products serve food and alternative-protein producers, including precision fermentation and plant-based applications, offering both a dual-upcycled fiber-protein hybrid ingredient and a food-grade high-purity processing aid.

1 investor

Mega-Inliner manufactures bag-in-tank systems for transporting non-hazardous liquids and foodstuffs using food-grade foil bags inside ISO tank containers. The company serves logistics and transport operators seeking to reduce cargo contamination and equipment cleaning time.

1 investor

Meknology provides a patented waste transformation system for beverage producers that converts spent grain, stillage, and wastewater into saleable byproducts including animal feed, biochar fertilizer, and potable water. The system reduces disposal costs and creates new revenue streams while helping producers meet environmental compliance standards.

1 investor

Mepal designs and sells household products such as leakproof storage boxes, lunch boxes with bento trays, drinking cups, pop-up bottles, and insulated travel mugs for everyday use at home, school, and on the go. The company positions its consumer goods around convenience and sustainability.

1 investor

Mercado Diferente is an online organic grocery subscription service that delivers customizable baskets of certified organic fruits, vegetables, and other food items to homes on a weekly or biweekly basis. It sources from certified organic farmers and includes cosmetically "imperfect" produce to reduce food waste, serving customers in Curitiba and São Paulo areas of Brazil.</parameter> <parameter name="hq_country">BR

1 investor

Mercado Único is a B2B wholesale platform that connects surplus inventory from major fashion brands directly to small retailers, boutiques, and outlet stores seeking authentic, labeled merchandise for resale. The platform offers new, tagged items from premium brands at discounts of up to 75% with free shipping across Brazil.

1 investor

Meridian Waste is a solid waste management company that provides waste collection and disposal services for residential, commercial, and community operations. The company prioritizes customer service, employee welfare, and shareholder returns as core operational principles.

1 investor

Mestergruppen operates one of the Nordic region's largest retail networks for surface products and interior design, serving both professional contractors and consumers through over 450 member-owned stores across Norway and Sweden. The company offers paint, flooring, wallpaper, and interior design solutions, supported by logistics, expert advice, and delivery services.

1 investor

MetaCycler BioInnovations develops microorganisms that convert renewable feedstocks like food waste into polyhydroxyalkanoates (PHA), a biodegradable plastic alternative that breaks down in marine environments while maintaining traditional plastic performance properties. The company originated from University of Waterloo research in 2022.

1 investor

Metalico is a ferrous and non-ferrous scrap metal processor serving customers across several U.S. states including New York, New Jersey, Ohio, Pennsylvania, West Virginia, and Mississippi. It operates in the recycling and materials processing industry as a member of the YeChiu Group.

1 investor

Metaloop operates an all-in-one platform for industrial manufacturers to buy and sell metal scrap, handling logistics, financing, and recycling through a global network of recyclers and smelters. Its Metaloop Portal gives customers visibility over transactions, quality certificates, and pickups across local and international operations.

1 investor