Circular Economy Startups

Revolty manufactures and sells lithium battery systems that store solar energy for residential use, with a focus on circular economy by reusing certified second-life battery cells. The company serves French homeowners with solar installations, enabling energy self-consumption and reducing electricity bills.

1 investor

Rewise uses machine learning to automate the returns process for retailers and enterprises, predicting returns, routing inventory, and recovering value through resale, recommerce, and charity donation. It serves eCommerce, fashion retail, and enterprise asset recovery, applying circular economy principles to cut processing costs and divert returned goods from landfill.

1 investor

RHI Magnesita is a global supplier of refractory products, systems, and solutions used in high-temperature industrial processes such as steel treatment, and it also offers refractory recycling and circular mineral solutions. It serves heavy industrial markets worldwide.

1 investor

Ricehouse produces construction materials derived from rice cultivation byproducts, offering bio-based building products as an alternative to conventional materials. The company operates in the sustainable construction and materials sector.

1 investor

Rise & Fall is a luxury fashion company that sources premium materials and partners directly with world-class manufacturers to produce high-quality clothing and accessories at substantially reduced prices. The company targets consumers seeking luxury design without excessive markups, emphasizing sustainability through just-in-time manufacturing and waste reduction.

1 investor

Rivalia Chemical recovers rare earth elements from waste materials using patent-pending technology. The company serves industries requiring rare earth materials and operates in the cleantech and circular economy space.

1 investor

River Cleanup is an environmental organization that removes plastic waste from rivers and waterways and runs education and awareness programs to prevent plastic pollution. It works with a global community of volunteers and partners, and operates a Clean River Model and Response Unit toward a goal of making 1,000 rivers plastic-free by 2050.

1 investor

RiverRidge is a waste management company based in Northern Ireland that provides waste treatment, recycling, and resource recovery solutions for businesses and communities, operating multiple treatment facilities with a focus on reducing landfill reliance.

1 investor

Roca Water develops a membrane-free electrochemical process that recovers high-purity materials and nutrients from contaminated and wastewater streams, converting them into reusable resources. Its modular system is designed to integrate into existing water treatment infrastructure for waste reduction and resource recovery.

1 investor

Rollr manufactures natural deodorants and antiperspirants with zero-waste refillable concentrate format, sold directly to consumers with decorative gemstone-topped packaging.

1 investor

Rooster is a free online community platform that enables neighbors to help, borrow, and share items and services with one another. It operates as a gift economy where members exchange goods and assistance based on reciprocal generosity rather than monetary transactions.

1 investor

Rotex Group manufactures APEX industrial screeners—precision separation and filtration equipment with gyratory reciprocating motion technology designed for high-efficiency particle classification in processing operations. The machines serve manufacturing and processing plants seeking to improve screening performance, reduce downtime, and increase safety.

1 investor

The New Royal Bluff Orchards operates tree fruit orchard properties spanning 675 acres in Eastern Washington. The company manages orchard operations and has raised investor funding to finance its expansion.

1 investor

Amcor is a global packaging solutions company serving consumer and healthcare product manufacturers. The company develops innovative flexible and rigid packaging products, materials, and equipment across more than 40 countries.

1 investor

Rubies in the Rubble makes condiments such as mayonnaise using surplus fruits and vegetables that would otherwise be wasted due to cosmetic imperfections. The company sells sustainable food products aimed at reducing food waste.

1 investor

RuggedThread offers repair services for technical outdoor clothing and gear, including a mail-in option where customers get an online quote and ship items in for repair. The company positions its service around reducing clothing waste through affordable, high-quality repairs.

1 investor

Rumage operates a search engine and aggregator for secondhand and refurbished goods, using database and AI technology to give shoppers a refined view of millions of items across circular economy marketplaces. It also helps businesses measure and report their influence on sustainable consumption in the context of sustainability reporting frameworks.

1 investor

Rumah Group is an investment and foundation organization focused on sustainable development and impact investing. The organization operates through Rumah Investments, which deploys capital across the sustainable investing spectrum, and Rumah Foundation, which focuses on conservation and environmental protection, particularly in marine and ocean sustainability.

1 investor

Saathi makes biodegradable and compostable sanitary pads and menstrual cups from natural materials like banana and bamboo fiber, sold directly to consumers. The company focuses on sustainable menstrual hygiene products and employs women from the local community.

1 investor

Sabai designs and sells sustainable home furniture and decor, including sofas, tables, rugs, pillows, and slipcovers, with a focus on eco-friendly materials, repairability, and a take-back/resale program. It sells directly to consumers who want lower-impact furnishings.

1 investor

Safripol is a plastics manufacturer in South Africa that produces polyethylene terephthalate (PET) and polyolefin-based resins and products. The company is engaged in the plastics industry and actively supports recycling, circular economy initiatives, and environmental stewardship programs.

1 investor

Sahyadri Farms grows and processes fruits, vegetables, and value-added products including fresh produce, dried fruits, juices, and bioactive ingredients. The company operates across agriculture, post-harvest processing, and food safety in India.

1 investor

Salish Soils transforms organic waste—including food scraps, green waste, and biosolids—into regenerative soil products and compost, serving communities seeking circular economy solutions. As an Indigenous-led company rooted in Coast Salish traditions, it combines waste diversion with soil manufacturing, land restoration, and Indigenous employment in British Columbia.

1 investor

Sallea manufactures salt cores and molds used in casting and composite manufacturing workflows. The cores dissolve in water without additional chemicals, enabling complex shapes and environmentally responsible post-processing.

1 investor