Circular Economy Startups

Greenhope develops and produces patented, certified biodegradable and bio-based materials—Oxium (biodegradable additive), Ecoplas and Naturloop (cassava-based bioplastics)—used to make garbage bags, packaging, food trays, and utensils. It partners with brands, governments, and institutions globally to replace hard-to-recycle conventional plastics, and is headquartered in Jakarta, Indonesia.

2 investors

GreenMantra Technologies transforms plastic waste into high-performance materials through molecular recycling technology, breaking down post-consumer polypropylene and polyethylene for use in commercial applications and circular economy solutions.

2 investors

Grounded manufactures non-toxic home and personal care products using African-grown ingredients, sold across Kenya, Uganda, Tanzania, and Rwanda. The company operates manufacturing close to supply chains and maintains B-Corp certification standards for social and environmental accountability.

2 investors

GwynnieBee offers a clothing subscription service that lets members rent apparel on a monthly basis with the ability to cancel anytime.

2 investors

Halocycle uses microwave processing technology to chemically recycle chlorine-containing plastics such as PVC and PVDC, converting waste plastic into platform chemicals that can be reused in polymer production. The UK-based company aims to increase circularity in the plastics packaging supply chain and reduce plastic waste going to landfill or incineration.

2 investors

HBI Group presents itself as a young, innovation-focused team offering advanced, custom solutions to clients, with an emphasis on continuous training and sustainability. The page describes the company's board and workforce rather than a specific product line.

2 investors

Heallo develops sustainable ingredients from plant by-products to improve nutrition, including a soluble fiber that lowers the glycemic response of foods and beverages. It serves food and beverage producers looking to add value to vegetable residues while supporting environmental sustainability.

2 investors

HempWood manufactures and sells hemp-based flooring products for the sustainable construction materials market. The company operates through direct-to-consumer e-commerce, wholesale distribution, and commercial project sales.

2 investors

HERA Materials (formerly Atacama Biomaterials) develops WoodPack (WPK), a wood-fiber-based, recyclable and compostable paper film that replaces single-use fossil-plastic packaging, using proprietary materials, AI-enabled formulation, and retrofit manufacturing systems. Founded in 2019 and born from MIT, the company operates a manufacturing facility in Chile.

2 investors

Highcon builds digital cutting and creasing machines for manufacturers of folding carton and corrugated packaging and displays, offering an alternative to conventional die-making and setup processes. Its systems serve global and local brands to address shorter time-to-market, smaller job sizes, and sustainability demands driven by e-commerce.

2 investors

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.

2 investors

Homa2u is an online store selling home renovation and interior materials such as tiles, ventilation blocks, decorative mosaics, and overstock building products. It positions its offering around sustainable, reused, and long-lasting home design pieces sold directly to consumers.

2 investors

Hoola One designs and manufactures technologies for decontaminating soils affected by plastics and microplastics, with a focus on plastic pellet (nurdle) spills. Its equipment serves clients responding to plastic spill contamination.

2 investors

Hootie Hoo is a Vermont-based apparel brand that designs durable winter outerwear for children, combining playful design with high-performance materials. The company emphasizes ethical sourcing and builds products intended to last through multiple seasons of active play.

2 investors

Huminly uses engineered enzymes to separate mixed poly-cotton textile waste into pure polyester monomer and pure cotton, enabling textile-to-textile recycling. Its process is designed to co-locate with manufacturers and clients and aims for cost parity with virgin materials at scale.

2 investors

Hungry Harvest delivers customizable boxes of fresh produce, including organic options, and additional grocery staples to consumers' doorsteps via local drivers. It focuses on reducing food waste and supporting donations to hunger-fighting organizations.

2 investors

Hydraloop manufactures greywater recycling systems that treat and reuse water from showers and baths for toilets, washing machines, and irrigation, reducing fresh water consumption by up to 45%. The company offers scalable solutions ranging from single-unit residential systems (H300, H600) to multi-unit commercial configurations (Cascade) for homes, hotels, gyms, and office buildings.

2 investors

Hydro Powtech develops proprietary hydrolysis technology and provides equipment and expertise to food manufacturers for creating plant-based food ingredients and products. The company operates consumer brands including ANY1 CHOCO and ANY1 ICE CREAM, manufactures powder-form food ingredients, and offers consulting services for applying hydrolysis technology to biorefining, cosmetics, and other industries.

2 investors

Hyfé operates a refining process that extracts specialty ingredients and chemical building blocks from food-processing waste and biomass. It produces high-performance ingredients for the food, beverage, personal care, and nutraceutical industries, along with glucose streams and chemical feedstocks for biomanufacturing.

2 investors

Hypetex develops FlaxTex, a coloured natural flax fibre technology that serves as a sustainable, biodegradable alternative to carbon and glass fibre for manufacturing applications. The material is designed for automotive, construction, and consumer product manufacturers seeking lightweight, strong composites with positive environmental credentials.

2 investors

Infinna is a circular fiber material made 100% from cotton-rich textile waste that replaces virgin materials in the fashion and apparel industry. The company targets fashion brands seeking to meet sustainability and circularity targets while producing high-quality garments.

2 investors

Infiniti builds and operates battery recycling systems that recover critical materials through controlled, closed-loop chemical processes to support electrification and energy technologies. The company partners with product makers to maximise material recovery and reuse critical minerals.

2 investors

INKI provides a Device-as-a-Service (DaaS) subscription for businesses, offering brand-new or refurbished laptops, phones, and displays that are fully insured, maintained, and managed for a flat monthly fee across the EU. It includes device provisioning, repair, insurance, data security integration (Apple DEP, Android Enterprise), and a management dashboard for equipping remote and in-office teams.

2 investors

Innomost develops biobased raw materials from birch bark for use in cosmetics, packaging, coatings, adhesives, and industrial applications, replacing fossil-based alternatives. The company transforms forest industry byproducts into high-value ingredients for manufacturers seeking circular, renewable material solutions.

2 investors