Circular Economy Startups

Rebike sells premium refurbished and used e-bikes and bicycles, sourced mainly from leasing returns and reconditioned through a TÜV Rheinland-certified multi-step process. The company operates an online shop across several European countries, offering brands such as Cube, KTM, Gazelle and Canyon at up to 60% below new prices.

4 investors

Reel manufactures bamboo-based toilet paper and paper products sold via subscription and one-time purchase, marketed as tree-free, plastic-free, and biodegradable alternatives for home consumers.

4 investors

Refurbi is a Colombian retailer selling refurbished technology products, particularly smartphones, with technical certification and local warranty support.

4 investors

ReJoule is a company focused on clean energy innovation, moving quickly to advance solutions for the greater good.

4 investors

Releaf builds tools to enhance climate resilience for smallholder farmers in Africa, drawing on expertise in supply chain management, agronomy, and agricultural technology. The company combines hardware and software engineering to address agricultural sustainability challenges across the continent.

4 investors

ReMatter provides an integrated platform for yard operations, commercial intelligence, logistics, and financial workflows, designed for operators who need unified systems without compromising on functionality across mobile experience, AI capabilities, inventory management, or dispatch.

4 investors

reverse.supply provides fashion brands with a circular retail solution to launch and manage a secondhand resale (recommerce) channel through their own branded shop, covering software integration and logistics handling. It targets fashion and apparel brands looking to enter the circular economy.

4 investors

Revibe is an online marketplace specializing in refurbished and pre-owned mobile devices, offering renewed smartphones with warranty coverage, battery upgrades, and device protection plans. The company serves consumers looking for affordable alternatives to new devices while emphasizing sustainability and quality assurance.

4 investors

Ridwell offers a door-to-door subscription service that collects hard-to-recycle household items such as plastic bags, snack packaging, wine corks, and old clothes, and routes them to vetted recycling and reuse partners. It serves residential consumers in the United States with a monthly or per-bag pickup plan.

4 investors

Sanivation provides hands-on consulting and support to help water utilities in secondary cities build sustainable, safely managed sanitation systems. It works across the sanitation planning and assessment value chain using market-driven business models, primarily in Africa.

4 investors

Small Wonder makes waterless powder-based shampoo and hair care products that activate in a patented refillable bottle, marketed to consumers seeking salon-grade results with lower environmental impact. Its products feature a proprietary cold-pressed conditioning wax (SHINE37) and recyclable or compostable packaging.

4 investors

SOLARCYCLE provides recycling services for solar farm components including solar panels, inverters, transformers, cables, and other power electronics, diverting waste from landfills and recovering metals such as silver, copper, gold, and lead. It serves solar companies in the US with certified recycling, refurbishment, and reporting for clean energy circularity.

4 investors

Sortera produces sorted aluminum scrap materials from recycling streams using artificial intelligence, offering certified aluminum fractions (cast, extrusion, and sheet products) as sustainable feedstock for metal manufacturers and die-casters.

4 investors

SweGaN produces gallium nitride on silicon carbide (GaN-on-SiC) wafers for high-performance power electronics and semiconductor devices. The company is involved in the CLOSER project, which recovers and recycles critical semiconductor materials like gallium and silicon carbide to reduce Europe's dependence on non-European suppliers and advance circular semiconductor manufacturing.

4 investors

Tapstitch is a platform that enables customers to design and customize clothing for self-expression. The company focuses on personalized apparel using eco-friendly materials and sustainable packaging.

4 investors

The Supplant Company makes a blend of sugars derived from plant fiber, created by upcycling agricultural side-streams such as corn cobs and wheat or rice straw. The ingredient is positioned for food applications and is lower in calories, has a lower glycemic response than glucose, and is prebiotic.

4 investors

Underdog sells refurbished and second-hand household appliances to consumers, with reconditioning done in France and a 2-year warranty included. It offers delivery, old-appliance trade-in, and after-sales support, with a stated focus on the French market.

4 investors

A cat scratcher and hideaway box designed with cat behavior in mind, reducing stress through safe enclosed spaces while maintaining aesthetic appeal for home interiors. The product features integrated scratching sheets, folds flat for easy assembly and disposal, and can be stacked to create multi-level structures.

4 investors

UNLESS Collective makes apparel and footwear from plant-based materials with no plastic, designed to be compostable or recyclable at end of life. It runs a take-back program where customers return worn gear for store credit and the items are repaired, recycled, or composted.

4 investors

Veracity Protocol develops Vision AI-based protocols for product authentication, serialization, and traceability using microstructure fingerprinting without physical tags or invasive methods. The platform serves manufacturers and supply chain operators across all industries to comply with digital product passport regulations and detect counterfeits.

4 investors

Vertoro is a bio-based chemicals company that converts woody and agricultural residues into green alternatives to fossil crude oil for use as platform products in materials, chemicals, and fuels. The company operates a scalable production platform validated at Technology Readiness Level 6 and serves industrial customers across oil, shipping, and chemical sectors seeking sustainable substitutes.

4 investors

VIDA operates a platform that connects designers, producers, and consumers to create unique products made on-demand at scale, aiming to reduce retail waste by producing only items that are purchased. It emphasizes ethical production standards and global collaboration among designers, manufacturers, and buyers.

4 investors

Wasted operates a portable toilet rental service with a focus on sustainable practices and environmental responsibility. The service is available in Burlington, Vermont and Boston and Cape Cod, Massachusetts.

4 investors

Woolchemy develops natural wool-based materials for hygiene products like diapers, positioning an alternative to petroleum-based absorbent materials. The company targets personal care product manufacturers seeking sustainable, high-performance materials for consumer markets.

4 investors