Circular Economy Startups

Rounder (리라운더) recovers items that would otherwise be discarded — such as film and TV set props and leftover brand assets from pop-up events — and turns them into tradable assets that can be resold and circulated. Based in Seoul, it operates a resale marketplace and a physical space where these goods can be experienced and purchased.

1 investor

Bear Fiber produces a cotton-like hemp fiber using proprietary methods and offers raw fiber, yarn, textiles, and finished garments. The company is building an American hemp farm-to-fiber-to-finished-good value chain, focused on sustainable natural fibers for apparel.

1 investor

Bechester provides turnkey furnishing and equipment for residential and hospitality real estate assets — including build-to-rent, coliving, flex-living, corporate apartments, tourist flats, hotels and senior residences — managing selection, delivery, assembly and after-sales as a single provider, with a renting/financing model. It serves property developers and operators across Spain, France and Portugal.

1 investor

Belenergia is a European renewable energy group that develops, builds and operates solar photovoltaic, wind, and biomass power assets, applying a circular economy approach across the value chain. It manages the full process from plant design to operation, including a 13 MW biomass facility producing electricity, bioethanol, and biomethane.

1 investor

Alpengummi produces natural chewing gum made from tree resins instead of synthetic polymers, marketed to health-conscious consumers concerned about microplastics and sustainability. The company emphasizes natural ingredients, eco-friendly packaging, and climate-neutral production.

1 investor

Groupe Berkem is a chemical manufacturer developing plant-based and eco-responsible chemistry solutions to replace conventional chemical substances. It serves cosmetics, nutraceutical and food industries, hygiene and protection markets, and industrial applications, including products for protecting, decorating and maintaining wood and mineral materials.

1 investor

BPM processes plastic production waste into ground material and regranulates for manufacturers in film, packaging, and automotive industries. The company produces high-quality industrial regranulates and compounds for extrusion and injection molding applications, with specialization in polypropylene and polystyrene.

1 investor

Best Trash provides residential, commercial, and industrial/construction waste management and recycling services for customers across the Gulf States, including the Houston and Dallas areas. The company has operated in the solid waste industry for more than 25 years.

1 investor

Betolar develops low-carbon materials technology, including alternatives to cement such as ground granulated blast furnace slag for low-carbon concrete mix designs. The company, a publicly listed firm, serves the construction and concrete industry with sustainable material solutions.

1 investor

Bettaknit offers knitting and crochet kits made with sustainable, natural, and recycled Italian yarns, designed for beginners and experienced makers. The company combines traditional textile craftsmanship with contemporary design and builds a community around mindful, handmade creativity.

1 investor

BE WTR produces sustainable, locally-bottled premium still and sparkling water in reusable glass bottles, along with proprietary filtration and bottling systems for restaurants, hotels, offices, and homes. The company eliminates single-use plastic packaging through circular, sealed glass bottle solutions and Swiss-engineered water systems.

1 investor

Beyond Renewables decommissions and recycles end-of-life solar PV panels, recovering high-value materials and providing lifecycle traceability for the solar industry. It works with developers, EPCs, manufacturers, dismantlers, and buyers across India to build a waste-to-resource pipeline.

1 investor

Gaoneng Environment (高能环境, stock code 603588) is a publicly listed Chinese environmental services company operating in areas such as environmental remediation and waste treatment. It is listed on the Shanghai Stock Exchange.

1 investor

BHT Startup Hub is a lean incubator run by the Berliner Hochschule für Technik that supports early-stage academic founder teams with coaching, free coworking space, mentoring, and scholarship funding. It also develops AI-based tools for the circular economy, such as the Circular Builder for construction/architecture and the Circular Designer for textiles and fashion, serving Berlin-based companies.

1 investor

BIBAK offers a technology-based reusable packaging return system using connected kiosks, deposit/caution incentive models, and container fleet tracking to eliminate single-use packaging. It serves food service and collective catering clients seeking to manage reusable tableware returns and reach high return rates.

1 investor

Bilmo designs and builds bicycle trailers for professionals such as municipal cleaning teams, caterers, and adapted-work companies to move goods and equipment efficiently in urban areas. Founded in 2019, the company operates in Belgium.

1 investor

BinBreeze makes a sprinkle-in powder additive for compost bins that neutralizes odours, deters fruit flies, and absorbs moisture. It sells the product direct to consumers in single, 3-pack, and 10-pack formats for home composting.

1 investor

Binology develops smart waste-management technology, including IoT-enabled smart bins with radar fill-level sensors, driver and office management software, and a SmartCity management platform. Its products have been deployed in 21 countries, and the company is now offering its assets, source code, patents, and brand for sale.

1 investor

Bioplastix engineers E. coli and Halomonas bacteria using AI, enzyme optimization, and precision fermentation to produce high-performance PLA and PHB biopolymers from low-cost sugars and agroindustrial waste. It acts as a technology partner for petrochemical companies, agribusinesses, and consumer goods manufacturers, providing custom microbial strains, biopolymer formulations, and bioprocesses for bioplastic production.

1 investor

Develops edible, natural coatings and feed additives to extend the shelf life of perishable foods such as fish, seafood, meat, fruits and vegetables, and to improve poultry and aquaculture farm productivity. Products serve food suppliers and farms across the food supply chain, with additional packaging and cold-chain logistics solutions.

1 investor

Bio Natural Solutions develops plant-based, organic-certified bioactives from agricultural waste through fermentation, marketed under LifecoPro Bio Active to protect crops and extend the shelf life of fresh and processed foods without synthetic chemicals. It serves the agrifood chain including growers, processors, packers, exporters, and importers of fresh produce.

1 investor

BioPak supplies certified compostable food and drink packaging — including cups, containers, cutlery and accessories — for quick-service food venues, along with custom-branded packaging options. The company is B Corp certified and ships across Australia.

1 investor

Biopallo is a Finnish company built around a biological/microbiological process technology, with a team including process and technology experts and microbiologists. The page presents company management and board members but does not detail the specific product or end market.

1 investor

BioSurplus buys, sells, sources, redeploys, and auctions used life-science laboratory equipment, helping companies recover capital from idle assets and helping buyers access quality instruments. It serves life-science companies and researchers in the secondary market for lab equipment.

1 investor