Circular Economy Startups

Airsign designs and sells home appliances, starting with a HEPA vacuum that emphasizes efficient design, durability, and affordability. The company prioritizes minimizing resource use while delivering products that combine function and aesthetic appeal.

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 converts recycled plastics sourced from ocean debris, residential programs, and industry into construction products using a mobile processing facility. The company serves rural coastal communities in Alaska with recycled plastic lumber and bricks produced locally.

1 investor

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

1 investor

Alexis Russell is a jeweler founded in 2005 that designs and handcrafts unique and custom engagement rings, wedding bands, and fine jewelry using ethically sourced, conflict-free gemstones and recycled metals. Pieces are made by hand in its Buffalo, New York studio and sold direct to consumers online.

1 investor

Algaeing produces textile dyes and fibers from algae, a renewable microorganism, replacing synthetic dyes in the fashion industry. The company partners with algae growers to create sustainable, biodegradable materials that retain algae's botanical properties.

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

Allied Microbiota applies biotechnology to remediate soil, water, and wastewater contamination, and enables beneficial reuse of large-volume waste streams.

1 investor

Alltrue is a membership service that curates sustainable and ethically-made products from socially-conscious brands, offering seasonal subscription boxes, exclusive marketplaces, educational content, and community for consumers seeking low-waste alternatives. The company serves values-driven consumers who want to support businesses using commerce as a force for good.

1 investor

ALLTUB manufactures aluminum tubes, laminated tubes, aerosols, and cartridges for pharmaceutical, cosmetic, agro-food, and industrial markets. The company emphasizes sustainable aluminum products and environmental responsibility.

1 investor

Ally Waste provides doorstep valet trash, bulk removal, onsite waste support, and recycling and organics compliance services for multifamily apartment communities and commercial retail properties. Operating with its own W-2 employees across 44 US states, it works alongside haulers and offers service reporting through its Ally Home platform.

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

Alt. Leather develops a 100% bio-based leather alternative made from plants such as cellulose, starches, recycled and natural fibres, and plant-derived resins. The material is designed for use in footwear, accessories, apparel, furniture, and automotive interiors, targeting brands seeking high-performance, lower-impact materials.

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 manufactures sustainable food packaging containers made from plant-fibre agricultural by-products, capable of withstanding extreme temperatures from -18°C to 260°C. The company also licenses its proprietary material technology platform to pulp and fibre manufacturers and other industrial applications beyond food packaging.

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

Alterra develops technology to produce infinitely renewed plastics, enabling sustainable material solutions for global partners focused on environmental sustainability.

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 produces circular calcium carbonate, a sustainable filler material for paints, coatings, and pre-decoration products that reduces carbon footprint and primary resource consumption compared to conventional alternatives.

1 investor

EKJU is a manufacturer of sustainable garden timber products and outdoor furniture made from FSC-certified wood, supplying retailers for homes and gardens. Founded in 1992, the company has been part of the AMATA holding group since 2021.

1 investor