Circular Economy Startups

Green Li-ion develops technology that processes crushed and shredded black mass from lithium-ion batteries into precursor cathode active material (GREENpCAM), graphite, and technical-grade lithium carbonate. The company operates in the battery recycling and materials sector.

1 investor

Greensect produces insect-based protein, oil, and fertilizer from food waste using the Black Soldier Fly, aimed at supplying sustainable animal feed and agricultural inputs. Founded to address rising farming costs in Bangladesh, it operates as an insect protein producer in the country's agricultural sector.

1 investor

Green Spark Software offers ReSpark, a platform for scrap and recycling yard operators that combines yard operations, commercial intelligence, logistics, financial workflows, and AI agents in one system. It targets operators managing inventory, dispatch, and related workflows.

1 investor

Grenova develops laboratory technology for washing and reusing pipette tips and microwell plates, aimed at labs seeking to reduce consumable waste and costs. The company operates in the life sciences lab equipment and sustainability space.

1 investor

Grensol operates an advanced recycling process that separates automotive shredder residue and other mixed waste streams into recoverable metals, minerals, and polymers for reuse as manufacturing feedstock. The company uses patented physical separation and photolysis technology deployed via modular micro-recycling centers, with its first plant operating in Biberist, Switzerland.

1 investor

Revore builds return and collection systems for reusable packaging and other returnable items, deployed at indoor sites such as offices, airports, universities, hospitals, pharmacies, retail chains, quick-service restaurants, and event arenas. The system collects reusable cups and lunch boxes as well as vapes, small electronics, and medical devices for circular economy and healthcare projects.

1 investor

Gringa is a Brazilian online marketplace for buying and reselling authentic pre-owned luxury goods, with items verified through Entrupy authentication and offering installment and Pix payment options. It targets consumers looking to purchase or resell designer/luxury items.

1 investor

Grinsect breeds black soldier fly (BSF) at scale in Europe to produce insect-based animal protein, including insect meal, lipids, and whole dried larvae for feed producers, along with insect snacks for pet resellers and small-scale breeding equipment for insect farmers and researchers. It serves aquaculture, pet food, livestock feed, and hobby-pet markets.

1 investor

Terideal is a French company specializing in landscaping, public works, building, sports fields, and electrical/irrigation services for urban development, serving businesses and municipalities across some 40 areas of expertise. With around 2,500 employees, it designs, builds, and maintains outdoor and natural spaces with a focus on sustainable development.

1 investor

Grover offers a subscription service for renting consumer technology such as smartphones, smartwatches, gaming consoles, and other electronics, with quality-checked devices and an option to buy after the rental period. It serves consumers through an app and website, operating in the tech rental and circular economy space in Germany.

1 investor

Grownstone manufactures Bio-Gel Composite tiles made from 100% recycled byproducts of agricultural, woodworking, and stone-making processes. The tiles are cured with an energy-efficient, carbon-negative process aimed at construction projects of varying sizes.

1 investor

GRT operates a resource regeneration facility on Vancouver Island that washes and sorts excess soils, hydrovac and dredge material to produce recycled aggregate products such as rock, gravel, sand and silt. It serves the construction market as an alternative to landfilling and quarrying, using a closed-loop water treatment system.

1 investor

Grupo Phoenix, now part of TekniPlex Inc. as its Consumer Products division, makes materials science and packaging solutions for consumer brands across more than 20 vertical markets including dairy, coffee, beverages, cosmetics, and household products. It produces sustainable packaging substrates such as recycled molded fibers, PET, and recycled-content PP and PE for uses like egg cartons, produce trays, and foodservice containers.</parameter> <parameter name="products">[{"name": "GeoPack", "kind": "product", "description": "A packaging portfolio of substrates including recycled molded fibers, PET, and PCR-containing PP and PE used for products such as egg cartons, wine carriers, produce trays, and foodservice containers."}]

1 investor

A premium baby clothing rental service offering zero-waste, ethical capsule wardrobes for children in their first two years at a fraction of retail cost. Operates on a membership/subscription model with delivery in western Canada.

1 investor

Hailia makes food products from fish filleting sidestreams—the nutritious back and side portions typically discarded after filleting—turning them into consumer products such as Pulled Rainbow Trout. Its products are sold in Finland through a partnership with fish producer Kalavapriikki and retail chain S Group under the Kotimaista private label.

1 investor

Hamelyn is a second-hand marketplace for books, videogames, CDs, vinyl records, and films operating across Spain. Users can sell items by scanning barcodes for instant pricing and free home pickup, with payment processed within 24 hours.

1 investor

Hamilton Perkins Collection develops custom products and circular economy solutions through material reuse initiatives and corporate partnerships. The company works with leading organizations across retail, technology, sports, hospitality, media, and consumer products to create value from materials beyond their original purpose.

1 investor

Handkrafted is a marketplace that connects customers with skilled craftspeople and artisans in Australia to create custom, sustainably made handcrafted goods. The platform allows makers to showcase their work and enables customers to commission bespoke items as an alternative to mass-produced products.

1 investor

Harvest Waste builds high-efficiency waste-to-energy plants and integrated waste management facilities (Ecoparks) that convert uncontrolled landfills and open dumps into energy and recycled products. It focuses on developing countries with untreated waste problems, aiming to reduce methane emissions and pollution.

1 investor

Harvest Recycling provides commercial waste management and recycling services, including organic waste, mixed recycling, garbage collection, industrial waste, shredding, and waste audits, using its patent-pending collection system and enclosed organic processing facility. It serves businesses such as commercial complexes, restaurants, and manufacturing plants in Alberta, Canada, to divert waste from landfills.

1 investor

Helsieni sells kits and supplies for growing oyster mushrooms at home using spent coffee grounds, and also cultivates fresh oyster mushrooms in shipping containers in Karjaa, Finland. The company sells its produce through local food networks and retailers in the Helsinki metropolitan area and offers products for outdoor mushroom cultivation.

1 investor

hessnatur is a retailer of organic and natural-fiber clothing, offering apparel for children and adults made from certified materials such as organic cotton, organic merino wool, and cashmere. Its products are certified to standards like the Global Organic Textile Standard (GOTS).

1 investor

Heygaz operates a platform for producing and commercializing biomethane from agricultural waste and biomass across Europe, combining existing production sites in Northern and Southern Europe with a development pipeline in Iberia. It supplies renewable energy to a range of customers as an alternative to imported natural gas.

1 investor

Highstock is an AI platform that connects brands holding unsold inventory with vetted global wholesale buyers, focused on the beauty and personal care sector. It positions itself as helping divert excess product from landfill through resale to wholesale buyers.

1 investor