Circular Economy Startups

Grainly Foods is a Swedish food producer that makes dehydrated, plant-based meals packaged in compostable pouches, with recipes inspired by Nordic cuisine. The company targets outdoor enthusiasts and consumers seeking sustainable meal options.

1 investor

Grant Blvd was a Philadelphia-based fashion company founded in 2017 that designed and produced garments using sustainably sourced materials while employing individuals facing barriers to work and paying living wages. The page reads as a farewell message indicating the company's operations have concluded.

1 investor

Granulous transforms brewery waste into a high-performance, biodegradable biocomposite material that can replace traditional plastics across agriculture, consumer goods, and industrial applications.

1 investor

GSF develops proprietary pyrolysis technology that converts plastic waste into high-quality oils optimized for chemical and industrial feedstock applications. The company serves brands, pharmaceutical, chemical, and petrochemical industries seeking alternatives to virgin materials.

1 investor

Gravis is a bulk transportation packaging supplier that designs and manufactures flexible intermediate bulk containers (FIBCs), bulk bags, and related packaging solutions for industries including food, construction, and chemicals. The company serves customers across North America and operates manufacturing facilities across multiple continents, with a focus on customized solutions and sustainability.

1 investor

Green Aspirations Scotland produces handmade wood and steel goods using traditional techniques, inspired by sloyd traditions and designed to be sustainable and beautiful. The company emphasizes small-scale, Scottish-based manufacturing and sells through an online store and local markets and events.

1 investor

The Green Dairy manufactures plant-based dairy products for private label, retail, and foodservice partners across multiple applications including beverages, yogurt alternatives, and desserts. The company serves brands, retailers, and food service operators primarily in Europe and Southeast Asia.

1 investor

GreenDot is a plastics recycling group that produces high-quality recyclates, including from difficult-to-recycle waste streams, and offers plastics sorting, Extended Producer Responsibility (EPR) licensing services, and consulting on EPR systems and design-for-recycling. It operates facilities in Germany, Austria, and Italy.

1 investor

Green Era operates an anaerobic digestion campus on Chicago's South Side that processes food and beverage waste into renewable natural gas and compost, serving organizations seeking to divert bulk food waste. Built on a reclaimed brownfield, the facility also supports local food systems and plans an urban farm, education center, and produce market.

1 investor

GreenGrahi uses Black Soldier Fly biotechnology to convert organic waste into ingredients for animal feed, pet food, and agriculture. The company develops insect-based products and processes aimed at creating a sustainable alternative to conventional organic waste management.

1 investor

Green Llama sells dissolvable cleaning tablets paired with refillable 16oz glass spray bottles, covering all-purpose, glass & mirror, and bathroom cleaning. The products use naturally derived ingredients and aim to eliminate single-use plastic by selling tablet refills in compostable pouches to consumers.

1 investor

Green Meadow Sustainable Solutions provides customized waste management services including curbside collection, transfer stations, landfill operations, and construction/demolition waste disposal for residential, commercial, and industrial customers. The company serves local communities with assessment-driven waste strategies and operates its own transfer and disposal facilities.

1 investor

Green Spot develops fermentation-based ingredients for industrial use by translating natural biological processes into scalable production systems. The company serves ingredient and formulation companies seeking sustainable alternatives to extractive or scarce resources.

1 investor

Greenback works in the recycling sector, with offerings referenced as py-oil (π-Oil), Enval, and eco2Veritas. The page does not provide further concrete detail about the products or the customers served.

1 investor

GreenChips operates an AI-powered marketplace connecting OEM and EMS companies with buyers to trade surplus electronic components and inventory globally. The platform aims to reduce electronic waste while enabling cost savings through efficient redistribution of excess stock.

1 investor

The Green Factory manufactures sustainable wood products including custom interior fit-outs, furniture, homeware, and gifts using eco-friendly timber sourcing and circular production practices. The Malaysian company also operates a concept factory and physical store while offering educational programs on sustainable manufacturing and consumption.

1 investor

GreenIron develops hydrogen-based metal reduction technology that recovers high-quality metal feedstock from steel industry by-products, enabling carbon-neutral and circular metal production. The company serves steelmakers and the metals industry with a patented reduction process that replaces fossil reductants with hydrogen.

1 investor

Greenleaf Power invests in and operates biomass cogeneration plants that recycle waste into renewable energy across North America. The company plans to add biochar, green hydrogen, and EV charging capabilities at its sites.

1 investor

GreenLeaze is a platform that lets e-commerce merchants offer their products via subscription, rental, or leasing, handling instant credit checks, insurance, automated billing, and end-of-contract buyback and refurbishment. It serves both B2C and B2B retailers and integrates into online stores through an API or plug-and-play modules for major e-commerce platforms.

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

Gaia Sciences Innovation is a £200 million technology fund that invests in growth-stage companies addressing climate stress and biodiversity loss across sustainable agriculture, land management, and natural capital restoration. The fund leverages a network of 6,000 researchers from leading bioscience institutes to identify and scale proven businesses in greening real assets, green fintech, and human systems.

1 investor

Green Tiger Co. sells e-gift cards redeemable at its online store for customers shopping and shipping within the US.

1 investor

Greentom designs and produces baby strollers made from high-quality recycled materials, offering a lifetime warranty on the stroller frame. The company focuses on sustainable, recyclable consumer products and sells to families across more than 35 countries.

1 investor