Circular Economy Startups

The Jay Group provides reverse logistics, returns processing, refurbishment, re-commerce, and fulfillment services for brands and retailers. The company helps companies recover value from returned, excess, and end-of-season inventory through warehouse infrastructure, resale channels, and reporting.

1 investor

SwatchLOOP is a digital platform that creates Digital Product Passports (DPP) for textile waste and uses AI to recommend correct sorting and collaboration, tracking recycling processes from recyclers to end consumers with data analytics. It serves brands, waste collectors, manufacturers, recycling firms, and upcycling organizations to support circular economy and industrial symbiosis in the textile sector.</parameter> <parameter name="founders">[]

1 investor

Sweet Atoms produces biomass-derived carbon materials and advanced coatings for energy storage, environmental filtration, and biomedical applications. The company manufactures high-performance carbons and specialty materials designed for lithium-ion batteries, sodium-ion batteries, supercapacitors, and wearable electronics.

1 investor

Sweet Nothings makes organic, ready-to-eat snacks from whole fruits, nuts, and seeds with no added sugar, targeting busy families and health-conscious consumers. The company emphasizes clean ingredients, food waste reduction through upcycled produce, and convenient nutrition.

1 investor

SwellCycle manufactures recyclable surfboard cores using large-format 3D printing and high-performance composites, and is developing microfactory production systems for sports equipment and aerospace applications.

1 investor

Swishables makes single-use mouthwash sachets as a plastic-free, alcohol- and dye-free alternative to traditional bottled mouthwash, marketed for travel and on-the-go oral care. The product is sold directly to consumers with an emphasis on reducing plastic waste.

1 investor

swisscleantech is a Swiss business association with around 700 members that works to align the economy with climate goals and push Switzerland toward CO2-neutrality by 2050. It develops policy positions, connects business, NGOs and science, and supports member companies on their path to net-zero, including through a circular economy innovation lab and events.

1 investor

Sykell helps companies understand and comply with the EU's Packaging and Packaging Waste Regulation (PPWR) by providing guidance on regulatory requirements, reusable packaging solutions, and reporting. The company serves businesses across supply chains that produce, use, or operate packaging.

1 investor

Synapse, part of Capgemini Invent, provides design and technology innovation services focused on sustainability and climate solutions. The company helps clients reduce product carbon footprints, develop climate technologies, and build circular economy capabilities across energy, transportation, agriculture, and built environments.

1 investor

SynMetabio is a synthetic biology company that develops biomaterials, including mycelium-based leather alternatives, by cultivating fungi on agricultural byproducts such as corn cobs, straw, coffee grounds, distiller's lees, and oil. It operates in the sustainable materials and biotechnology sector.

1 investor

Synoro Med designs and operates a reusable container system for medical fluids like intravenous solutions, paired with regional reprocessing services to clean and sterilize containers for safe reuse in healthcare settings. The company serves healthcare providers seeking to reduce single-use plastic waste and supply chain dependency while maintaining cost parity with traditional disposable alternatives.

1 investor

Syntoil develops a continuous pyrolysis process that converts carbonized residue from waste tires into technical carbon black, recovering valuable resources while reducing fossil fuel consumption, waste, and CO2 emissions. The company operates installations that process approximately 6,000 tons of tires annually.

1 investor

SYSTEMIQ is a B-Corporation that advises on transforming markets, business models, and asset classes in land-use/nature, clean energy, and materials sectors to accelerate delivery of the Paris Agreement and UN Sustainable Development Goals. The firm combines research, corporate strategy, policy insights, and hands-on projects across multiple economies.

1 investor

Taaleri Bioteollisuus is an investment manager that runs private equity funds and joint ventures targeting growth companies in the bio-economy and circular-economy markets, focusing on Northern European firms. Its Bioteollisuus I fund invests in new-technology, industrial-scale bioeconomy production facilities in Finland and Europe.

1 investor

Table & Teaspoon rents curated tablescape kits for events, shipping a box with dishware and step-by-step setup instructions a day or two before a party, then letting hosts return everything via a prepaid label without washing. It serves consumers hosting dinners and gatherings through a rental-by-mail model.

1 investor

Tadweer supports Abu Dhabi's waste and resource management sector by developing circular economy solutions that convert waste into energy and resources. The company operates a portfolio of specialized companies and partnerships across the waste value chain, including collection, recycling, and advanced treatment.

1 investor

Tait Labs upcycles industrial by-products into health ingredients. The site is currently a placeholder while the company rebuilds its website.

1 investor

Takafuji is a Japanese engineering company established in 1989 that provides plant construction and maintenance, including work on plant and environmental facilities, and as a group has expanded into renewable energy, steel, painting, forestry, and food/agriculture businesses. It also operates a geothermal-based agricultural heat-exchange system for large greenhouses and serves clients in the industrial and infrastructure sectors.

1 investor

Tallineau Emballage is a French manufacturer of custom packaging, producing tailor-made and sustainable packaging solutions for products across a range of industries. The company operates in the Pays de la Loire region and offers design-to-delivery support along with product protection for shipping.

1 investor

Tampon Tribe sells organic cotton period products including tampons, pads, liners, menstrual cups, and period underwear, with a focus on sustainability and plastic-neutral packaging. The direct-to-consumer brand markets eco-friendly menstrual care products to consumers in the US.

1 investor

Tandem Repeat develops Squitex, a biobased fiber material derived from squid ring teeth protein using genetic sequencing tools, intended as an alternative to petroleum-based fibers for the textile industry. The company applies biomimetic design to create durable, more sustainable textile materials.

1 investor

Tangent is a manufacturer of HDPE poly lumber and other recycled-plastic building materials designed to resist splintering, cracking, rot and insects. Its weather-resistant products serve outdoor markets including marine, park and recreation, agriculture, and structural engineering.

1 investor

A coffee roaster and retailer offering freshly roasted Kenyan coffee with sustainable sourcing practices, sold in reusable and recyclable 1-kilogram packaging.

1 investor

Tavare offers clothing repair services, including replacing or fixing zippers, mending holes, tears and wear, and repairing down jackets and technical outdoor wear. It matches patches and thread to the original fabric and handles everything from everyday clothes to outdoor gear.

1 investor