Circular Economy Startups

Circle Seafoods operates floating processor barges that freeze wild-caught seafood at ultra-low temperatures at sea, providing refrigeration, sorting and grading technology, and cold storage, along with amenities for fishermen. It serves commercial fishermen and seafood buyers in the wild seafood industry, later using its barges to transport and store catch for reprocessing and distribution.

1 investor

Circmar develops circular packaging solutions for the seafood industry. The company was named winner of the Seafood Innovation Award 2026 at the North Atlantic Seafood Forum (NASF) in Bergen.

1 investor

Circuland provides Digital Product Passport software for construction products, integrated with BIM to produce 3D-linked Building Passports for the built environment. It serves construction and engineering firms, having worked with partners such as Waterman and Mace.

1 investor

Circular operates a platform for sourcing recycled and recovered materials, connecting suppliers with active buyers and providing market data, supplier matching, and transaction tools. It serves brands and material suppliers looking to buy or sell materials more efficiently.

1 investor

Circular enables consumers to access technology devices through a flexible ownership model that reduces electronic waste and supply chain pressure. The company operates in the circular economy and consumer technology sectors.

1 investor

RTV is a circular materials company that accepts end-of-life fabrics and other materials for recycling and reuses them as regenerated nylon for fashion and heavy industry applications. The company operates an integrated system designed so all materials flowing through it are 100% recyclable.

1 investor

Circular LinX provides waste management systems (including electronic manifest systems for industrial waste) and BPO services for companies, combining ICT and business process outsourcing to support circular-economy and sustainability operations. Formed as a joint venture between SMFL and the Amita group, it offers its 'LinX Management' and 'LinX BPO' products in Japan.

1 investor

Circularise provides supply chain traceability software that helps companies trace materials across complex value chains, connect data to products, and share verifiable information. It serves industrial manufacturers seeking transparency and circularity in their supply chains.

1 investor

CircularPlace is a digital platform that enables companies to reemploy and resell unused equipment across their organization, including redistribution to employees, B2B buyers, and partner nonprofits. The platform provides asset lifecycle management, inventory tracking, environmental impact reporting, and operational guidance for circular economy initiatives.

1 investor

Circulate is a B2B platform that matches brands with 127+ verified European packaging suppliers, letting them compare sustainability data, pricing, and lead times and manage orders in one place. It provides sustainable packaging products (mailer bags, boxes, cushioning, tape) with real CO₂/LCA data and PPWR, CSRD, and EPR compliance reporting for the European market.

1 investor

Circulose is a Swedish textile innovation company that produces CIRCULOSE®, a raw material made from 100% recycled cotton textiles that lets fashion brands replace virgin fibers within existing supply chains. It operates a commercial-scale chemical textile-to-textile recycling plant and partners with brands and fiber producers to scale circular materials in the fashion industry.

1 investor

Circulus recycles post-consumer LDPE and LLDPE plastic film into post-consumer recycled (PCR) resins, sold under the CIRCA brand for commercial and industrial use. Its resins serve brand owners, retailers, resin producers, and converters for flexible plastic applications such as bags, shrink films, and overwraps.

1 investor

Circulus Agtech processes residual organic matter through liquid extraction and biological monitoring to produce nutrient-precise organic liquid fertilizer for commercial farms. It connects farms with suppliers of organic matter (households, schools, animal farms) as a sustainable alternative to synthetic and mined fertilizers.

1 investor

CIRT is a data and software platform for managing sustainable packaging compliance, labeling, recovery data, and impact tracking, helping brands meet regulatory requirements such as EPR reporting across multiple jurisdictions. It serves brands, manufacturers, retailers, waste/recovery operators, and institutions working on circular economy and packaging sustainability challenges.

1 investor

Clariter is a cleantech company that uses a patented chemical recycling ("defossilizing") technology to convert plastic waste into pure petrochemical products such as oils, waxes, and solvents for industrial and consumer applications. It serves manufacturers, brand owners, municipalities, and governments seeking to create circularity in their value chains and replace fossil-based products.

1 investor

Cleanaway is an Australian waste management and resource recovery company that provides collection, recycling, treatment and disposal services for a range of waste streams. It serves businesses, municipal councils, SMEs and national organisations, supporting a transition to a circular economy.

1 investor

CSG (Clean Group) is an American manufacturer of sustainability-focused clean solutions, producing products aimed at environmental stewardship for its customers and partners. The company emphasizes on-time, complete order fulfillment through its Project ONCE initiative.

1 investor

Cleanpipe provides sewage, water, and waste services for businesses and individuals, including high-pressure flushing, sludge suction, hazardous waste handling, pipe relining, CCTV pipe inspection, and excavation suction work. It also offers ground-related services and water delivery, with round-the-clock emergency service in Sweden.

1 investor

Cleaq is a platform for renting IT equipment to businesses, bundling financing, insurance, and fleet management in a single app. It also provides IT support such as 24-hour replacement of broken, stolen, or damaged devices and incident tracking.

1 investor

ClimateTrade operates a carbon marketplace and sustainability platform that enables individuals and companies to calculate their carbon footprint, purchase verified carbon credits, and fund certified sustainability projects globally. The platform serves businesses and consumers seeking to achieve carbon neutrality through traceable funding to reforestation, renewable energy, biodiversity, and community projects.

1 investor

Cling Systems is a brokerage service for surplus and end-of-life batteries, helping manufacturers and battery holders assess, price, and sell inventory to qualified buyers globally. It handles the full transaction including inventory valuation, buyer matching, compliant logistics and shipping, and settlement.

1 investor

Closed Loop Center runs pilots and programs to test and scale reuse and compostable packaging systems, including a citywide cup reuse system, working to reduce single-use materials. It evaluates material innovations across focus areas to address packaging and waste challenges.

1 investor

Clothes Bin® is a franchise business that places and services clothing and shoe recycling bins in community locations, using its BLIP® bin-monitoring technology to track capacity and optimize collection routes. It offers a semi-absentee franchise model to individual operators across the United States who want to run a recycling collection business.

1 investor

Clotsy Brand is a sustainable clothing and barefoot footwear retailer that uses organic and recycled materials such as organic cotton, linen, tencel, and recycled bottles, with garments designed in Spain and produced on the Iberian Peninsula. It sells directly to consumers online and through a physical store in Valencia and selected sustainable boutiques across Spain.

1 investor