Circular Economy Startups

Renewal Mill is a food and ingredients company that makes six upcycled ingredients across protein, flour, and fiber, along with baking mixes, by repurposing byproducts from food production such as juice pulp. It sells consumer baking products and supplies ingredients for developing sustainable food products.

5 investors

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.

5 investors

Resourcify provides a digital waste management platform that automates operations from order management to invoicing while tracking environmental metrics like recycling rates and CO2 emissions for businesses seeking to achieve net-zero goals.

5 investors

Rewind develops carbon removal projects leveraging natural processes like biomass and geological storage to capture and sequester carbon at scale for climate mitigation. The company builds a global portfolio of carbon removal assets integrated into forests, mines, sediments, and marine environments to help organizations achieve net-zero emissions.

5 investors

Rheom Materials engineers sustainable, plant-based leather alternatives for apparel and consumer goods. The company develops biobased materials designed to replace conventional and synthetic leather while maintaining ethical and environmental standards.

5 investors

Selency (formerly Brocante Lab) is an online marketplace for vintage, antique, and secondhand furniture and décor, offering items curated by professional sellers. The platform lists over 300,000 products moderated for quality, spanning design furniture, scandinavian pieces, art deco items, and decorative objects.

5 investors

SOJO is a UK-based clothing repair and alterations platform offering online-booked repair services for consumers and white-label, tech-enabled aftercare solutions for fashion brands, including in-store alterations digitisation and damaged stock recovery. It operates in the circular fashion space, using in-house tailors and an AI-driven booking flow.

5 investors

Sourgum provides technology solutions for the waste and recycling industry. The company was founded by entrepreneurs with four generations of family experience in waste collection, disposal, and recycling operations.

5 investors

Sparxell designs, engineers, and manufactures plant-based colorants using cellulose, including biomimetic pigments, biodegradable glitter, powders, pearls, foils, and specialty shapes such as sequins. Its products are aimed at high-end consumer product applications, offering an alternative to synthetic dyes, mica, and titania.

5 investors

The Citizenry is a U.S. home goods retailer offering handcrafted furniture, bedding, and home décor made with 100% fair trade processes audited by the World Fair Trade Organization, sourcing materials and artisans from around the world. The company emphasizes sustainable production using natural materials, traditional craft techniques, and organic or ethically sourced textiles.

5 investors

Thousand Fell makes sustainable footwear built from bio-based and recycled materials, including bio-leather from corn waste, recycled rubber outsoles, and antimicrobial aloe vera linings. The brand incorporates a take-back recycling program into the shoe design so materials can be reclaimed and reused.

5 investors

Tomtex develops biodegradable, low-waste materials with a focus on regenerative and sustainable production. The homepage emphasizes zero-waste and circular material design.

5 investors

TWICE is an operating-system-style platform for circular commerce, giving businesses one system to run rental, resale, and hybrid operations with per-unit inventory tracking, catalog and pricing management, multi-channel sales, order processing, and customer management. It serves rental, resale, and hybrid businesses and is built API-first with integrations for providers like Stripe and Wix.

5 investors

Uluu develops plastic alternatives made from sustainable materials as a replacement for fossil fuel-based plastics, addressing plastic pollution at its source.

5 investors

Uncaged Innovations is a biomaterials company that makes grain- and plant-based leather alternatives using its proprietary BioFuze platform, which replicates the collagen structure of animal leather. Its Elevate material is a tanning-free, scalable leather substitute aimed at industries seeking sustainable, luxury-quality materials.

5 investors

Emulsion Flow Technologies (EFT) develops solvent-extraction technology known as "emulsion flow," rooted in nuclear science research, to address resource and environmental problems including lithium-ion battery recycling and PFAS recovery. The company applies element-separation and extraction processes toward sustainable materials recovery.

5 investors

Acloset is an AI-powered fashion app that digitizes users' wardrobes to help them organize clothes, rediscover items they own, and generate outfit suggestions. Aimed at everyday consumers, it uses AI and data to promote more sustainable and personalized dressing.

4 investors

Airrobe curates and sells everyday essentials and clothing designed to be worn frequently and reduce wardrobe waste. The company targets consumers seeking versatile, minimal pieces for work and leisure wear.

4 investors

alterBiota develops green materials and energy technologies, including bio-graphene concrete admixtures and low-carbon concrete solutions, along with related R&D and testing services. The company focuses on decarbonizing cement and concrete and converting mined ore and waste tailings into value-added industrial materials.

4 investors

Ambio operates a platform that facilitates buying and selling of recycled plastics, connecting suppliers and buyers through a data-driven approach. The company serves businesses transitioning to sustainable materials by reducing procurement friction and ensuring material quality.

4 investors

Apkudo manages the supply chain for connected devices, extending their lifespan and reducing electronic waste through circular economy practices. The company serves manufacturers, retailers, and consumers seeking to repurpose or sustainably dispose of technology devices.

4 investors

Applied Bioplastics develops sustainable plastic and composite materials, including BioFi (a thermoplastic combining agricultural waste with standard, recycled, or biobased polymers) and BTR Board (a biothermoset resin composite made with woven jute fiber). Its products can be processed with standard injection molding and extrusion equipment and serve manufacturers in the household, automotive, appliance, electronics, and outdoor equipment industries.

4 investors

Aquacycl provides onsite industrial wastewater treatment using its patented technology to treat high-strength wastewater without dilution, offering energy-neutral operation, lower greenhouse gas emissions, and water reuse. It serves businesses seeking to meet corporate ESG, carbon, and water management goals.

4 investors

Arianee provides an open-source blockchain protocol for issuing digital product passports and dynamic NFTs, letting brands assign unique digital identities to physical products for traceability, ownership, and post-purchase services. It serves brands in sectors such as luxury goods, watches, and electronics to support product lifecycle tracking, resale, and circular business models.

4 investors