Circular Economy Startups

Polycycl develops chemical recycling technology that converts waste plastics back into feedstock, targeting a plastic-to-plastic closed loop as part of a circular economy for post-use plastics. The company is a team of chemists and chemical engineers building thermo-catalytic conversion and process technologies for industrial-scale plastic recycling.

1 investor

PolymerCycle is an integrated plastics recycling company that processes over 100 kilotons of plastics annually into regrinds, regranulates, and custom recompounds. It serves the packaging, automotive, construction, and electronics industries and offers contract services across the recycling value chain, from separation to compounding.

1 investor

Polymer Park designs and manufactures composite flooring and formwork products for construction and industrial applications, made primarily from recycled post-consumer plastics. The company offers durable, lightweight alternatives to traditional materials like wood and aluminum, with products featuring extended lifespans and reduced carbon footprints.

1 investor

Polymertal manufactures lightweight products using materials, including a collaboration with UBQ Materials to produce sustainable components. The company positions its work within sustainable and lightweight manufacturing.

1 investor

PolyXLabs is a biotechnology company that develops biodegradable, naturally derived polymers made from spent coffee grounds as a replacement for toxic, non-recyclable plastics for consumer goods companies. It offers customized chemical formulations for sustainable packaging and operates in the United States and Europe.

1 investor

PolyXLabs produces biodegradable plastic replacements made from spent coffee grounds and other lignocellulose-based biomass for consumer goods companies. The polymers are non-toxic, durable, and safely biodegrade without releasing microplastics.

1 investor

Porous Lane produces a semi-flexible permeable pavement made from up to 60% recycled Australian tyre material, developed through research at the University of Melbourne, for use in access lanes, car parks, schools, terraces and areas near trees. The material reduces stormwater runoff, mitigates urban heat, prevents cracking from tree root movement, and is marketed to councils and infrastructure projects in Australia.

1 investor

Precizion Partners provides demolition, remediation, concrete cutting and coring, and debris hauling services for public and private sector construction projects. It handles full and selective demolition of buildings, bridges, and wastewater treatment plants, along with asbestos, lead, mold, and soil remediation, serving clients throughout California and Nevada.

1 investor

Premier Modular designs, manufactures, and installs modular buildings for both public and private sectors using offsite construction methods. The company offers temporary and permanent structures ranging from one to six storeys, serving communities and organisations across the UK.

1 investor

Pro-Vac provides industrial stormwater and sewer maintenance, hydro-excavation, and environmental services, including a 24-hour spill response team, using a large fleet of specialized equipment. It serves general contractors, municipalities, industrial facilities, commercial services, construction infrastructure projects, property managers, and military branches across the United States.

1 investor

PrologMobile operates an IMEI data platform that provides device-specific information—such as lock status, carrier compatibility, SIM type, and OEM details—for evaluating pre-owned mobile devices. It serves carriers, MVNOs, device processors, 3PLs, insurers, marketplaces, and wholesalers in the reverse mobile supply chain to help validate devices, maximize per-device revenue, and reduce RMAs.

1 investor

Prolong offers a platform that unifies and automates post-purchase services—returns, warranties, repairs, alterations, and recycling—for retail brands, integrating with their ERP, CRM, POS, payment, and logistics systems. It provides white-label omnichannel orchestration, workshop digitization, and post-purchase data insights to help brands manage after-sales operations.

1 investor

Propagate Ventures partners with farmers to transition agricultural land to chestnut agroforestry systems, combining timber production with interim hay yields and regenerative practices. The company manages site planning, planting, and cultivation of chestnut operations for landowners seeking long-term, diversified revenue streams.

1 investor

Protenga produces insect-based protein, oil, and frass products for animal feed and fertilizer using Black Soldier Flies and proprietary farming technology. The company targets aquaculture, pet food, and agricultural sectors with sustainable ingredients derived from agricultural and food manufacturing byproducts.

1 investor

Pryme is a cleantech company that used chemical recycling (pyrolysis) to convert plastic waste into pyrolysis oil, a feedstock for petrochemical companies to produce new plastic. It operated its first industrial-scale plant, Pryme One, in the port of Rotterdam, and served the petrochemical and plastics recycling market in Europe.

1 investor

PUHI is a Finnish biochar carbon removal company that integrates pyrolysis technology to produce biochar from biomass sidestreams while generating carbon credits and energy through industrial ecosystems.

1 investor

Pull To Refresh converts municipal solid waste into refuse-derived fuel (RDF) and durable carbon products for local government units (LGUs), using a phased deployment of waste characterization, pilots, and scale-up. It builds an AI system that characterizes incoming waste streams in real time and optimizes material flow to maximize energy output, diversion rates, and landfill reduction.

1 investor

PulPac develops a patented Dry Molded Fiber technology that lets packaging manufacturers and brands produce fiber-based packaging as an alternative to single-use plastic. It licenses the process and equipment (such as its Modula and Scala machines) and supports brand owners, packaging suppliers, and manufacturers with proven applications and tailored development projects.

1 investor

Pulpatronics develops recyclable, metal-free paper RFID tags using a laser process that prints a conductive circuit directly onto paper, avoiding metal antennas. The tags target businesses that rely on disposable electronics, offering a lower-cost alternative compatible with existing recycling methods.

1 investor

Pulpex is a packaging technology company that has developed a patented fibre-based bottle and container solution as an alternative to plastic packaging. It licenses its technology to manufacturers and brands to produce renewable, recyclable packaging at industrial scale.

1 investor

PURAGLOBE collects used oils and lubricants and re-engineers them into sustainable Group III/III+ base oils and finished lubricants using patented Honeywell UOP HyLube and HyLubeSAT process technologies. The company operates a refining and high-volume oil-blending facility and serves motor oil and automotive lubricant customers and partners, with a focus on circular economy and CO2 reduction.

1 investor

Purcell builds gravity-based bulk food dispensers, plastic-free refill cartridges, and inventory management software (Mission Control) that track consumption and automate reordering for grocery retailers' bulk food aisles. The system aims to replace traditional scoop bins, reduce labor and plastic waste, and increase sales for grocery stores.

1 investor

Pure Algae develops modular production systems for land-based seaweed cultivation that capture and utilize industrial emissions. The company serves hatchery facilities and seaweed producers seeking to integrate emission reduction with agricultural production.

1 investor

Pure Green Farms grows hydroponic leafy greens such as lettuce year-round in a climate-controlled, pesticide-free indoor facility. Based in South Bend, Indiana, the company supplies fresh, locally grown greens to the U.S. Midwest.

1 investor