Circular Economy Startups

Alloy is an online service for selling gold, silver, and platinum jewelry for cash, offering a mail-in process with free insured shipping, expert lab appraisal, and same-day payment. It serves individual consumers in the United States looking to sell jewelry, working with precious-metal refiners to determine value.

1 investor

Frass Pte Ltd provides green technology services focused on reducing food waste, and collaborates on green projects with Singapore's Institutes of Higher Learning such as the National University of Singapore and Republic Polytechnic.

1 investor

The Kabadiwala operates a scrap pickup app and waste management service offering door-to-door collection of 40+ recyclables for individuals, businesses, and residential societies across India. It also provides EPR compliance, vehicle scrapping, document shredding, and circular economy services aimed at recycling and diverting waste from landfills.

1 investor

Thermo Fluids collects and recycles used oil, antifreeze, filters, oily water, and oily absorbents, converting these waste materials into industrial fuel, clean water, and raw materials through a network of over 25 processing facilities. It provides non-hazardous waste management services for commercial customers.

1 investor

Thermory produces thermally modified wood ("thermowood") using only heat and steam, offering decking, cladding, flooring, wall paneling, and sauna products. It serves architects, designers, real estate developers, and specialized distributors, and has delivered projects across 60+ countries.

1 investor

The Volte is an Australian online marketplace for renting designer dresses, clothing, and accessories from labels such as Zimmermann, Aje, and Rachel Gilbert for weddings, formal events, and other occasions. It also lets users list and rent out their own wardrobes to earn money, positioning itself around circular fashion.

1 investor

Thunder Foods produces protein and organic fertilizer using Tenebrio molitor (mealworms) as a biological tool, with a focus on scaling production for human food incorporation and agricultural applications.

1 investor

Tide supplies recycled plastic materials derived from ocean-bound plastic waste, available as injection-molded pellets, polyester yarn, and 3D printing filament for use in consumer products, textiles, automotive, and construction. The company partners with local communities to collect ocean-bound plastic while supporting waste management infrastructure and fair wages for collectors.

1 investor

Reekom (formerly Tilli) is a French textile revalorization service offering clothing alterations and repairs, delivered through partner brands and artisans. It serves fashion brands and consumers seeking garment repair and upcycling in France.

1 investor

Tiny Library sells and rents premium baby and children's products such as strollers, buggies, co-sleepers, carriers, and car seats, offering a buyback guarantee on both new and refurbished items. It operates a circular model for parents in the Netherlands, refurbishing returned products for reuse by other families.

1 investor

Tomtex develops biodegradable, zero-waste materials as sustainable alternatives, positioned around regeneration and circular use. The specific product details and target market are not clearly stated on the available page content.

1 investor

TonerPartner is an online shop selling toner, ink cartridges, and accessories for printers, copiers, and other office devices, offering original-brand, compatible, and recycled products. It serves both end customers and retailers across multiple countries.

1 investor

Torana operates Toysub!, a subscription and rental service that periodically delivers and swaps educational toys matched to a child's development stage. The Japan-based company focuses on the toy industry and serves parents and young children.

1 investor

Tracegrow uses its RETRACER technology to recover manganese and zinc from European industrial sidestreams, producing circular raw materials for the agriculture and battery industries. It supplies micronutrient fertilisers made from recycled sources and EU-sourced recovered metals for industrial use, with a focus on the European market.

1 investor

traceless produces a certified home-compostable, plastic-free biomaterial made from unmodified natural polymers derived from agricultural plant residues. The material can be processed with standard injection moulding or extrusion to replace plastics in applications such as single-use items, packaging, paper coatings and adhesives for industrial converters.

1 investor

Transcend manufactures compostable and recyclable fibre-based packaging solutions designed to replace plastic products, serving brands seeking certified high-performance alternatives aligned with evolving environmental regulations. The company develops paper cups, straws, and cartons through advanced material science and rigorous testing.

1 investor

Trashboard manufactures skateboards using recycled cardboard and upcycled carbon waste, producing durable and lightweight boards through a water-free production process. The company operates in France and focuses on circular economy principles by transforming waste materials into high-performance sporting goods.

1 investor

Butler Plus (formerly Trash Butler) provides door-to-door valet trash collection service for multifamily residential communities and apartment properties in the United States. The company handles doorstep waste pickup for community management teams and their residents.

1 investor

TrashCon builds end-to-end waste management technology, including TrashBot, an automated system that sorts unsegregated waste into wet, dry, and metal fractions and recycles it into products. It also sells recycled products under its WoW Products line to divert waste from dumping and burning.

1 investor

TreaTech develops patented catalytic hydrothermal gasification (HTG) technology that converts a broad range of waste streams into reusable resources such as methane-rich renewable gas, clean water, and minerals like phosphorous, nitrogen and potassium. Its modular, on-site solution serves industrial customers in the waste treatment sector, supporting circular economy and carbon footprint reduction.

1 investor

Treedom lets individuals and companies plant and gift trees online, funding tree-planting projects that support local communities and regenerate the environment. It offers business solutions as well as options for individual users.

1 investor

TreeDots operates a food ecosystem that connects suppliers with businesses to sell excess or imperfect food inventory at reduced prices, aiming to cut food loss. It also offers a logistics optimization service for temperature-controlled food delivery.

1 investor

Tridi Oasis recycles locally-sourced PET bottle waste in Indonesia into recycled PET flakes used to manufacture packaging, clothing, and shoes. The company exports its recycled material to the USA, EU, and Vietnam.

1 investor

TripleW produces Circulac, a lactic acid and lactate salts made by fermenting food waste, used as an ingredient in personal care, home care, food and beverage, and industrial products, and as a building block for PLA bioplastics. The company develops circular bioprocessing technology that converts food waste and PLA-based packaging waste into renewable lactic acid.

1 investor