Circular Economy Startups

Finnforel operates indoor fish farms producing rainbow trout using Recirculating Aquaculture System (RAS) technology with full production traceability. The company produces fresh fish without toxins or antibiotics and aims to build locally-operational RAS facilities globally.

1 investor

FixFirst builds AI-powered software infrastructure for the repair and circular-services industry, offering a PaaS integration layer and workflow SaaS to help brands, retailers, insurers, and cities run and scale repair operations and stay compliant with EU Right-to-Repair rules. The company operates repair voucher programs for electronics and textiles in Berlin and London and partners with UNIDO to extend repair infrastructure beyond Europe.

1 investor

Unbelts makes adjustable, size-inclusive stretch belts using yarn made from recycled water bottles, with an ethically sourced, living-wage supply chain. The direct-to-consumer accessories brand offers travel-friendly, buckle-flat belts and services like free repairs and offcut upcycling.

1 investor

Flaura develops plant-based leather made from apple residue sourced in Quebec, offering it as a bio-based alternative to synthetic leather for the fashion and furniture industries. The company positions its material as an ethical, sustainable option built around circular-economy principles and local production in North America.

1 investor

FLO Materials develops recyclable plastics by re-engineering polymer architecture, aiming to deliver performance comparable to virgin materials while enabling repeated recycling and reuse. The company targets plastic waste reduction and offers its technology as a materials platform for industry.

1 investor

Floreon makes an advanced bioplastic derived from crops such as corn and sugar cane, offered as a renewable, lower-carbon substitute for oil-based plastics like ABS, PC, and HIPS. It targets manufacturers seeking sustainable, high-performance materials.

1 investor

Flotexa designs and installs custom floating islands made of native plants and mycelium that filter excess nutrients, capture heavy metals, and remediate eutrophied lakes and water bodies. It offers turnkey ecological restoration services, eco-park installations, and BioFlow filtration columns, with a focus on lakes in Quebec, Canada.

1 investor

Fluo is a Finnish circular-economy group formed from local recycling companies, providing waste management, material handling, container/roll-off, septic, and portable-toilet rental services. It also manufactures recycled products such as plastic cores, plastic pipes, compounds, and recycled lubricating oils for business and household customers across Finland.

1 investor

FlyUP Bio develops black soldier fly (Hermetia illucens) farming technology to convert food-industry and agricultural by-products and biowaste into animal-feed proteins, lipids, and organic fertilizer (frass). A spinoff of the Ruđer Bošković Institute, it currently sells live and dried BSF larvae, primarily as pet food, in Croatia.

1 investor

Foamlab develops bio-nanocellulose foam grown by microorganisms through fermentation, offering compostable, tunable alternatives to oil-based plastics and foams. Its materials target applications such as protective and thermal packaging, insulation, textiles and footwear, furniture, cosmetics, and aviation and automotive uses.

1 investor

Food to Save is a Brazilian app that connects consumers with discounted surplus food from retailers and food producers to reduce food waste.

1 investor

Forcetec is a Japanese company that produces IoT-connected smart trash bins under the "SmaGO" brand and related solutions aimed at sustainability and resource circulation. It develops products and services combining various technologies to support SDGs-oriented environmental initiatives.

1 investor

Forest Energy Inc. is a Japanese company operating in the renewable energy sector, with subsidiaries and affiliates focused on forest/biomass energy. It acts as a sales agent for equipment makers such as Volter Oy and Heizomat GmbH.

1 investor

A company organized around in-house departments for development, quality control, marketing, procurement, and logistics. The page provides no concrete details about the company's product or the market it serves.

1 investor

Foxway provides circular technology services that extend the life of devices such as mobile phones and computers, offering recommerce and reuse solutions in place of single-use production. It works with organizations and partners across Europe to enable more sustainable device use in the tech industry.

1 investor

Fred. Olsen Investments manages new investment opportunities for Bonheur ASA, taking significant, active and long-term ownership positions. It targets companies in renewables, electrification, energy storage, travel and leisure, circular economy, and maritime and shipping.

1 investor

Freedom Electronics engineers and remanufactures electronic components and parts for the retail petroleum industry, serving distributors, technicians, and station owners. Its remanufacturing process uses advanced coatings, improved inspection technologies, and artificial intelligence to address issues like product obsolescence and high failure rates.

1 investor

Freetrailer operates an app-based trailer and cargo-bike sharing service across Denmark, letting users locate, reserve, pick up, and return trailers at partner locations. The trailers are provided free for up to four hours and carry advertising from retail partners such as IKEA and Silvan, funding the sharing model.

1 investor

FreshPure operates self-service Hydration Station kiosks where customers refill their own bottles with filtered water, using activated coconut carbon filtration and ultraviolet disinfection. It offers reverse osmosis, alkaline, and deionized water options aimed at reducing single-use plastic bottle waste in the United States.

1 investor

Frontier Waste Solutions is a licensed non-hazardous solid waste and recycling collection company offering residential and commercial garbage pickup, dumpster rentals, industrial roll-off containers, and municipal contract services. It serves communities across Texas, including the Dallas-Fort Worth metroplex, Houston, San Antonio, and Austin; the company has since joined GFL Environmental.

1 investor

Funcell develops bio-based functionalization treatments for cellulosic materials such as paper, cardboard, nonwovens and textiles, offering products like BioWet for dry and wet mechanical performance and BioGraft for barrier properties. Its solutions target sustainable paper packaging as an eco-friendly alternative in the materials and chemicals industry.

1 investor

Espigoladors is a non-profit organization working on food recovery and the right to food, organizing gleaning of discarded fruit and vegetables with volunteers, distributing them through social entities, and transforming surplus produce into plant-based preserves under the es im-perfect brand. It also runs education, research, and awareness projects and provides work and training opportunities to people at risk of social exclusion, operating in Catalonia.

1 investor

FungiFix uses mycoremediation to remove contaminants from polluted soil, then transforms the fungal biomass into sustainable biofillers for concrete. The company targets contaminated land remediation in states like California, combining environmental restoration with sustainable construction materials.

1 investor

Furlenco is a furniture company offering rental, subscription, and purchase options for urban Indian consumers, including buy-back and credit toward replacements. It targets a mobile, lifestyle-oriented customer base in India.

1 investor