Circular Economy Startups

Regen Organics locally manufactures regenerative products to decarbonize the production of food, feed, and fuel, serving farmers and food systems in emerging markets. The company focuses on soil health and ecosystem resilience, with an emphasis on Africa and Asia.

1 investor

Regenesis Materials develops advanced recycled materials for eyewear brands, using nanotechnology to combine ocean-bound plastic waste and captured CO₂ from coconut shells into net-zero materials for sports, fashion, and optical/smart frames. Its product lines include Carbonite, Oceantate, and Aerolite, and its materials can also be applied to lifestyle products, accessories, packaging, and other consumer goods.

1 investor

Rego provides a software platform that helps organizations measure waste and automate circular economy operations, including landfill diversion tracking and waste identification using AI. The company serves businesses of all sizes seeking to participate in waste diversion and zero-waste initiatives.

1 investor

ReHarvest (리하베스트) upcycles food byproducts into a functional plant-based ingredient called "Renergy" flour, which is higher in dietary fiber and protein than other grain flours and contains no chemical additives. It supplies this upcycled ingredient to companies making foods such as burger patties, pasta, bread, cookies, and snacks.

1 investor

ReHarvest develops technology-driven solutions for sustainable agriculture and waste management, converting organic waste into valuable resources while promoting eco-friendly farming practices and environmental education.

1 investor

REIN4CED develops thermoplastic composite materials and manufacturing processes with a focus on recyclability, reusing and recycling in-house waste to create new products. Its composites are used in series production for sports brands and have been demonstrated with Tier-1 aerospace suppliers.

1 investor

Remann provides IT asset recovery, secure data erasure, reuse, and resource recycling services, and reports carbon reduction and environmental value based on its ESG service portal data. Founded in South Korea as a certified social enterprise, it operates domestically and in Vietnam.

1 investor

Rematter manufactures a circular ceiling system for the construction industry, using locally available regenerative materials such as wood and clay to store CO₂ and reduce embodied emissions. Its products aim to match the technical performance of conventional concrete solutions while offering better sustainability and competitive pricing.

1 investor

Remex provides inventory liquidation services for Amazon sellers, brands, and warehouses in the U.S., helping them clear excess and unsellable stock through multiple resale channels. The platform offers real-time inventory and return tracking along with automated payout processing.

1 investor

Renasens develops a CO₂-based, waterless recycling technology that separates blended textile waste such as polycotton into reusable high-quality fibers for the fashion and manufacturing supply chain. The deeptech company works with research institutes, spinners, manufacturers and brands, with a focus on Europe's circular manufacturing ecosystem.

1 investor

Renoon provides Digital Product Passport (DPP) compliance for fashion companies, covering strategy, technology, and operations across product data architecture, supply chain traceability, and compliant platform configuration. It works with fashion brands to meet DPP regulatory requirements as an integrated, ongoing process.

1 investor

Renoveru operates an integrated renovation platform that matches property renovation services between individual and corporate property owners with suppliers, aiming to promote circular economy practices in Japan's housing sector.

1 investor

A Japanese company that rents out construction and industrial equipment, including original products such as explosion-proof tape lights and lifting-rope guide devices. It operates regional rental centers across Japan and serves construction and industrial worksites.

1 investor

Repass provides a platform for creating and managing Digital Product Passports (DPPs), letting companies map, test, integrate, and scale product data with features like digital ID management, material traceability, workflow automation, and API access. It serves brands and manufacturers in the textile and furniture, food and beverage, and industrial sectors, with a focus on EU product circularity and regulatory compliance.

1 investor

REPLOID designs, builds and operates industrial insect rearing facilities that convert regional organic residues from the food industry into insect proteins, fats and organic fertilizers. The company covers the full value chain of insect farming for circular-economy applications and is listed on the Vienna Stock Exchange.

1 investor

RePowered Batteries evaluates surplus, end-of-life, RMA, and recalled battery inventory (post-consumer, industrial, and EV) to determine remaining value and repurpose batteries into new applications. It connects buyers, sellers, and partners across the battery supply chain and manages compliant recycling and disposal for businesses at every stage of the battery lifecycle.

1 investor

rePurpose helps innovators scale plastic waste recovery solutions by tracking recovered plastic through its reTrace platform and building business models for the circular economy. The company works with waste management systems and workers globally to address plastic pollution while ensuring fair labor practices.

1 investor

ReQuip is a marketplace for buying new, used, and reconditioned weaving machines such as rapier, airjet, and waterjet looms from brands including Picanol, Toyota, and Tsudakoma. It provides inspection reports, transparent pricing, installation support, and financing, delivering machines in India and globally.

1 investor

Reset provides environmental consulting services, including research, analysis, diagnosis, and information provision on environmental regulations covering waste, chemical substances, water quality, and environmental management. It also supports solar power and waste module recycling businesses through registration, licensing, and feasibility analysis.

1 investor

Reskinned sells graded, sanitised second-hand clothing from established brands at reduced prices, and runs a take-back scheme where customers return unwanted clothes of any brand or condition for reuse, repurposing, or recycling. It operates in circular fashion resale and recycling, offering a £10 credit to customers who send in old garments.

1 investor

ResourceCo recovers and re-manufactures primary resources, extracting value from materials that would otherwise go to landfill. It works with governments, communities, and multinational companies to advance the circular economy and preserve natural resources.

1 investor

A platform for buying and selling pre-owned streetwear and archive fashion items, serving collectors interested in sustainable resale.

1 investor

Restaurant Technologies provides automated cooking oil management ("Total Oil Management") for commercial kitchens, handling oil delivery, storage, monitoring, and used-oil recycling into biofuel. It serves restaurants, grocery stores, hotels, resorts, casinos, and hospitals across the United States, from independents to national chains.

1 investor

Retrievr offers at-home pickup of unwanted clothing, shoes, and electronics for recycling, letting residents schedule appointments and leave items at their door. The service operates in the Greater Philadelphia Area and accepts items even if worn out or non-working.

1 investor