Circular Economy Startups

ÄIO produces sustainable biotechnology-derived ingredients—including oils, emulsifiers, and colorants—for the food, cosmetics, and oleochemical industries, using fermentation and microbial bioprocesses to replace palm oil, coconut oil, and animal-based fats. The company utilizes agricultural and food industry by-products to create high-value, environmentally low-impact alternatives.

1 investor

AION develops material formulation, product and systems design, and operational services to help firms reduce the environmental impact of the plastics they use. The company operates in the circular economy and materials space, focused on more sustainable plastic use.

1 investor

Airsign makes a HEPA vacuum cleaner for home use, designed by industrial design firm Guerra Office. The product is built with 20% recycled plastic and biodegradable bags, emphasizing cleaning power and sustainability.

1 investor

ALAS Baustoff-Holding is an owner-managed producer and supplier of gravel, stone, aggregates, and ready-mix concrete, and also handles recycling and disposal of excavation and mineral construction debris. It serves large and small construction projects with operations in Slovakia, Poland, Croatia, Hungary, and Austria.

1 investor

Alaska Plastic Recovery collects plastic waste from shorelines and landfills and converts it into Grizzly Wood, a lumber product made entirely from recycled plastic. The company operates plastic collection sites across Alaska.

1 investor

Alchemist Material develops and sells hydrogen production equipment and IT software solutions.

1 investor

Algaeing develops algae-based, biodegradable dyes (Algadye) and inks (Algaink) for textiles and apparel, offering alternatives to conventional dyeing and printing that reduce greenhouse gas emissions and water use. It serves apparel brands, textile manufacturers, and yarn and bedding producers integrating the colors into existing manufacturing processes.

1 investor

Alkemy Environmental is a cleantech company that recycles industrial waste streams into lightweight concrete aggregate for construction applications. The company has developed a patented technology to convert waste materials into environmentally friendly structural-grade building products.

1 investor

H2O Allegiant provides water recycling and sustainable water solutions for industries seeking to reduce water consumption and environmental impact. The company aims to become a global platform for water project implementation, initially focusing on North America.

1 investor

Alliance Chemicals Global is a supplier and distributor of commodity and specialty chemicals, representing global manufacturers and serving multiple industries. Incorporated in 2022, it focuses on the African market with major operations in Nigeria.

1 investor

Allied Carbon Solutions develops and manufactures sophorolipids, a natural biosurfactant, with applications in livestock feed and emulsifiers, personal care yeast-fermentation extracts, and agricultural biostimulants. The company conducts research and production of biosurfactant-based ingredients for the agriculture, animal husbandry, and personal care industries.

1 investor

Alltub is a manufacturer of aluminium tube packaging, producing flexible aluminium tubes, laminated tubes, aluminium aerosols, and cartridges for the pharmaceutical, cosmetic, food, and industrial markets. It operates six industrial sites across Europe and Mexico with a global commercial network.

1 investor

Aloxe supplies premium recycled plastics, notably food-grade recycled PET (rPET) granules produced through mechanical recycling of post-consumer plastics, for the plastic packaging industry. Its recycled PET serves applications such as textile fibers, beverage bottles, cosmetic bottles and food trays, helping companies meet European regulatory and consumer requirements for recycled content.

1 investor

Alter Eco Pulp is an Italian benefit corporation using "fiber molding" technology to make single-use products from natural cellulose fibers, including processing waste such as sugarcane residue or wheat straw. Its products serve as replacements for plastic as well as virgin materials like wood and paper.

1 investor

Alternew is a white-labelled post-purchase care and repair platform for apparel brands, using an AI care agent to route customer requests to documented answers, guided repairs, store visits, or a vetted tailor network. It handles warranty, coverage, and repair decisions in a single record shared across customers, store teams, tailors, and brand leadership.

1 investor

AlterPacks converts agricultural waste such as wheat husks and spent grains into certified home-compostable packaging materials as a sustainable alternative to plastic and PFAS-coated containers. The company serves food and beverage companies seeking environmentally friendly packaging solutions within the circular economy sector.

1 investor

Alterra operates a continuous plastic circularity process that converts hard-to-recycle plastics back into their original chemical building blocks to make new plastics and other products. It serves manufacturers and partners seeking to reuse plastic and meet sustainability goals, operating in the plastics recycling and circular economy industry.

1 investor

Alterra operates a continuous plastic circularity process that converts hard-to-recycle plastics back into their original building blocks to produce new plastics and other products. It serves manufacturers and partners seeking to reuse plastic waste and reduce reliance on fossil fuels, operating in the plastics recycling and circular economy industry.

1 investor

Altri is a corporate company focused on integrating sustainability into its corporate finance, using sustainable financing to invest in projects that improve environmental performance and support clean and renewable energy production. The page is an investor relations section rather than a product page.

1 investor

Alucha uses patented reactor technology to recover calcium carbonate fillers from paper mill sludge, the largest waste stream in the paper industry, turning it into Circular Calcium Carbonate for reuse. Its recycled fillers target manufacturers of consumer products such as paper, paints, plastics, and adhesives.

1 investor

constellr is building and operating a constellation of beyond-visual satellites to monitor biophysical conditions of fields worldwide. It turns this satellite data into insights for agriculture, with a focus on improving water productivity for the human food system.

1 investor

Ambercycle develops technology to recycle textile waste into new materials, operating in the circular economy and advanced materials space. It focuses on regenerating materials from discarded textiles for reuse in manufacturing.

1 investor

Ambipar is a global provider of environmental solutions, offering emergency response services (Ambipar Response) and waste management, recycling, and environmental services (Ambipar Environment). The company installs recycling and packaging collection machines and partners with corporations on sustainability initiatives.

1 investor

AMCS builds software and technology solutions for the waste management, recycling, and circular economy sectors, serving operators and logistics teams globally. The company provides industry-tailored platforms for fleet management, route optimization, utility billing, and waste operations, with regional regulatory expertise.

1 investor