Circular Economy Startups

Oscar Massin is a fine jewelry brand that designs and produces cocktail rings and other jewelry using recycled 18k gold and laboratory-grown diamonds with climate-neutral certification. The brand serves consumers seeking luxury jewelry with transparent sustainability credentials and ethical sourcing.

1 investor

Oscorp Energy develops intelligent autonomous machines and robotics to automate waste sorting and waste processing facilities. The company serves the waste management industry.

1 investor

OTAGO provides consulting, technical assistance, strategic advisory, and impact investment services across climate, circular economy, and impact investment themes in emerging markets. Its projects span Southeast Asia, Africa, and the Pacific.

1 investor

Ourobio develops engineered microorganisms that convert industrial byproducts into biomaterials using synthetic biology. The company targets industries seeking sustainable alternatives to petroleum-derived chemicals and materials.

1 investor

Out&Back is a marketplace for new and pre-loved outdoor gear that helps keep equipment in circulation and out of landfills while making outdoor adventures more accessible at affordable prices. The company serves outdoor enthusiasts of all budget levels and is committed to environmental sustainability.

1 investor

Outlook Group is a single-source printing and packaging provider offering labels, flexible packaging, folding cartons, and integrated packaging solutions with a focus on sustainable options. It serves brands through services including offset, digital, flexographic and variable data printing, laminating, converting, and custom packaging design.

1 investor

EcoTree lets individuals and companies buy and own trees in European forests, providing personal accounts to track holdings, certificates, and returns paid out when timber is harvested. The company practices close-to-nature, continuous-cover forest management and runs biodiversity projects such as beehives, ponds, and wetland restoration.

1 investor

OWNI is an online marketplace for buying and selling second-hand clothing from sustainable brands, with a "collect and try on" option at its Exeter studio. It serves shoppers in the UK looking for affordable pre-owned fashion.

1 investor

OzoneBio engineers biologically-powered materials to replace fossil-based chemical production processes for industrial applications. The company targets the chemical manufacturing industry with sustainable alternatives designed for performance and environmental responsibility.

1 investor

Pacific Bio develops a macroalgae-based wastewater treatment system that removes pollutants and nutrients while sequestering carbon, producing clean water suitable for reuse. The company targets wastewater treatment operators and agricultural producers, offering additional outputs including biostimulants for crop production and biomass for biofuel generation in Australia.

1 investor

Pack2Earth develops plant-based materials for packaging and other applications that are home-compostable, recyclable, and reusable, including high-barrier materials that protect against moisture and oxygen for long shelf life. Its products target sustainable packaging needs across industries seeking alternatives to conventional plastics.

1 investor

Packaging Europe is a media and information platform that covers packaging trends, sustainability, and innovation for the FMCG value chain. It hosts events, awards competitions, and provides reporting on packaging strategy and circular economy challenges.

1 investor

PackBenefit makes cellulose-based food packaging trays that are recyclable as paper and 100% compostable, offered as an alternative to plastic modified-atmosphere (MAP) trays for food brands. The trays are heat-sealable, oven-, microwave-, and freezer-safe, and certified compostable under EN 13432.

1 investor

Packwise provides IoT sensors and supply chain management software for tracking containers and materials in real-time. The Smart Cap device attaches to containers to monitor fill level, temperature, location, and movement, while the Flow platform integrates this data with ERP systems for supply chain visibility and automation.

1 investor

PAKi Logistics operates a load-carrier pooling network for managing and exchanging pallets and containers across Europe. The company serves logistics and manufacturing businesses needing reliable access to standardized pallets and collapsible containers through a network of over 10,000 service points.

1 investor

PAKT operates an industrial washing facility for reusable packaging, cleaning primary containers (jars, bottles) and secondary packaging (crates) so producers and retailers can shift away from single-use packaging. It also offers storage and logistics services and helps clients design and implement reuse systems.

1 investor

Paladin EnviroTech is a certified IT asset disposition (ITAD) and electronics recycling company that manages surplus, end-of-life, and obsolete electronics for enterprise, hyperscale/data center, and government clients using proprietary software for asset tracking and secure lifecycle management. It combines ITAD, materials recovery, data destruction, and rare earth/critical materials recovery under one program across U.S. and European operations.

1 investor

Paleo develops plant-based protein products designed to replicate the taste and qualities of animal meat, addressing sustainability in food production. The company targets food producers and consumers seeking sustainable protein alternatives.

1 investor

Palm Labs makes the Palm Bin, a thermoelectrically cooled food waste collection bin designed to eliminate odors and simplify composting for household users. The device tracks composting activity and environmental impact while using recycled and plant-based materials.

1 investor

Palmcove (팜코브) manages the full refurbishment cycle for returned and surplus retail inventory — sorting, inspection, cleaning, and repackaging goods so they can be resold rather than discarded. It combines AI and logistics systems to connect these products to its Thank You Market omnichannel, over 100 domestic partner stores, and overseas markets, serving retailers and logistics companies in South Korea.

1 investor

Panacea Medical Technologies manufactures radiation medical devices with extended product support and end-of-life management programs. The company emphasizes circular economy principles by designing products with 95% recyclable materials and coordinating responsible disposal of electronic, radioactive, and metal waste through authorized channels.

1 investor

Pangea Movement manufactures durable sunglasses from recycled plastic waste collected during environmental cleanups, with each purchase funding mangrove restoration, river barrier installation, and coral reef restoration in developing regions.

1 investor

Pantarein Water designs, builds, and operates circular water treatment systems that purify and reuse industrial wastewater for companies. It offers technologies ranging from anaerobic water purification to full water reuse, and can also handle financing and operation of the installations.

1 investor

Paper Cosmetics creates conscious beauty products with clean ingredients and sustainable, recyclable paper packaging, committed to minimizing environmental impact and harm to consumers.

1 investor