Circular Economy Startups

Prolong develops software solutions for after-sales services, helping brands implement care and repair programs to extend product lifespans and promote sustainable consumption practices.

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

Proservation makes RECOU, an organic packaging material produced from grain husks — agricultural residues left over from local grain processing — as an alternative to plastic packaging made from fossil raw materials. The material avoids the need for additional farmland or resources.

1 investor

Protenga develops technology-driven insect farming systems using Black Soldier Flies to produce sustainable protein for animal feed and pet nutrition while converting food waste into valuable nutrients. The company operates a decentralized farming ecosystem designed to create circular food systems and reduce waste in agricultural production.

1 investor

A company that produces malt products for breweries, focusing on understanding brewer needs and providing solutions to simplify their brewing processes.

1 investor

PRT operates the largest sales, delivery, and service network for North America's forest seedling industry, serving major forest products companies through 27 nurseries, 14 seed orchards, and related facilities. The company provides consistent supply and logistical support across the continent.

1 investor

Pryme converts plastic waste into petrochemical products through proprietary pyrolysis technology at industrial scale. The company operates in the chemical recycling sector with operations in Rotterdam, Netherlands, and targets partnership-driven expansion across 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

Pullulo upcycles agricultural waste into plant-based ingredients and natural biomaterials using proprietary technology platforms, targeting applications in beauty, nutrition, and health. The company focuses on alternative protein and agri-circularity to reduce food waste.

1 investor

PulPac develops Dry Molded Fiber, a manufacturing technology that forms cellulose fiber into packaging to replace single-use plastics, and licenses it to manufacturers. The Swedish company works through a network of licensees across Europe, the US, and Asia.

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

Pulp Pantry produces snack chips made from upcycled vegetable byproducts and legumes, sold directly to consumers as packaged food products.

1 investor

PURAGLOBE provides oil refining and re-engineering services using patented technologies to convert used oils into sustainable Group II/II+/III/III+ base oils, solvents, and other products. The company helps industrial and commercial customers achieve circular economy goals while reducing CO2 emissions by up to 80% during the refining process.

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 land-based seaweed cultivation systems that capture nitrogen and CO2 from industrial fish farming and convert them into valuable biomass. The company serves aquaculture facilities seeking to add profitable revenue streams while reducing environmental impacts.

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

PureBlue develops decentralized wastewater treatment systems for both inland waterways and land-based applications. The company operates globally to reduce environmental wastewater discharge and support ecosystem recovery.

1 investor

PureSpace manufactures air purification units designed to remove ethylene gas and airborne microbes from refrigerated storage environments including walk-in coolers, refrigerated trucks, and warehouses. The company offers both physical units and ethylene analysis measurement services.

1 investor

PureSurf develops bio-based surfactants, gelators and antimicrobials made from European wood, agricultural residues and other side streams using a green-chemistry platform. Its drop-in ingredients target formulators in home care, personal care, and industrial & institutional (I&I) cleaning as an alternative to petrochemical-based surfactants.

1 investor

PuriFire develops processes to convert wet waste into sustainable fuels and chemicals, aiming to reduce reliance on fossil fuels. It works with partners that have access to wet waste feedstocks.

1 investor

PurposeEnergy develops wastewater treatment and biogas solutions that convert organic waste from food and beverage producers into renewable fuels and electricity. The company helps industrial clients reduce compliance costs and greenhouse gas emissions from waste streams.

1 investor

PUSU manufactures handcrafted skis using natural materials such as wood, designed for performance in mountainous terrain. The company operates in Finland with a focus on durability, sustainable production, and craftsmanship.

1 investor

PYRATEX develops natural and sustainable textile fibers using seaweed, agricultural waste, and recycled materials as alternatives to synthetic fabrics. The company partners with fashion brands to produce engineered fabrics that maintain fiber properties while delivering functional performance in garments.

1 investor