New Materials Startups

Recell converts cellulosic waste — such as fibers from water treatment plant screens and other cellulosic feedstock — into sustainable industrial fibers and high-purity industrial sugars used for building materials, green chemicals, biopolymers, and advanced biofuels. It serves industrial companies in Europe seeking to lower CO₂ emissions and build circular value chains.

1 investor

Reclaimed Textiles supplies wholesale wiping rags and cleaning cloths made from a mix of new and recycled materials for industrial applications, and diverts textiles from landfills. It serves businesses needing industrial-strength wiping cloths such as T-shirt rags and towels.

1 investor

Reco2 makes Vytreum, a patented Italian flooring material for premium outdoor spaces produced from certified industrial waste (fly ash, demolition aggregates, recycled glass) without kilns or clinker, reducing CO₂ emissions by 80% versus traditional materials. It serves architects, public entities, hospitality, and ESG-focused companies, with each production batch certified on the Polygon blockchain and compliant with Italian CAM and LEED standards.

1 investor

Recreus manufactures and sells Filaflex, a family of flexible TPU filaments for 3D printing, including its 2.20 mm system compatible with Bambu Lab and Prusa printers. Its materials are used across applications such as fashion, orthopedics, and industrial and food-grade uses, and are sold online worldwide.

1 investor

Recupere produces copper electrical wire from 100% recycled feedstock using a process that eliminates smelting, aiming to build more resilient Western copper supply chains and lower greenhouse gas emissions. It operates in the recycled metals and materials sector.

1 investor

Reda is an Italian textile group that manufactures fabrics, including wool and Merino-based and stretch-performance textiles (lines such as Reda Active and Flexo), used to make men's and women's suits and garments. It presents seasonal fabric collections aimed at the apparel and fashion industry.

1 investor

Refinity develops technology to convert minimally-sorted mixed plastic waste into drop-in raw material feedstocks, aiming to replace naphtha and support a circular economy. It operates in the chemical recycling and materials sector as a member of Innventure's family of companies.

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

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

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

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

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

ReNerve develops nerve repair products, including cuffs, grafts, and bionic nerve structures, to treat transected nerves and improve patient outcomes. The company operates research laboratories in Melbourne, Australia, and collaborates with researchers at the CSIRO / Monash University biomaterials precinct.

1 investor

RenewCO₂ develops an electrocatalytic carbon utilization technology (eCUT) that converts waste CO₂ from industrial emissions into chemicals and fuels using only water and electricity and a patented catalyst. The technology targets the chemicals and fuels sector, aiming to produce carbon-negative feedstocks that integrate into existing industrial processes.

1 investor

Renggli is a timber construction company and general contractor building energy-efficient wooden structures for architecture firms, investors, and private clients. With over a century of experience, it also co-owns timpla, which operates a timber modular construction facility in Germany.

1 investor

RenovoDerm is a life sciences company developing wound care and tissue technology platforms within the medtech and biotech sectors. It operates as a commercial subsidiary of Paragen Technologies.

1 investor

ReSiTec produces advanced silicon, silicon carbide, and mineral powders, offering tailored materials to customer specifications. The company also runs projects around materials recovery and processing, including extracting metals from seabed sulfides and rare earth elements.

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

Return Carbon works with mineralization technology owners to commercialize and scale processes that use captured CO2 and mineral-rich waste streams to produce construction materials such as pavers, bricks, tiles, and aggregates. It positions CO2 as an input for the circular economy in the construction sector.

1 investor

Revalyu (revalyu Resources) recycles PET plastic to produce sustainable recycled polyester used by textile mills and consumer product makers. The company operates in the circular economy and plastics recycling sector, selling recycled polyester materials to textile and retail customers.

1 investor

REVA Medical develops and sells bioresorbable polymer-based implantable medical devices for vascular applications, including the MOTIV bioresorbable scaffold for below-the-knee peripheral artery disease, TyroSphere embolic microspheres for hypervascular tumors, and the Fantom Encore coronary bioresorbable scaffold. Its products use a proprietary polymer called Tyrocore and serve interventional vascular medicine.

1 investor

ReVentas develops a dissolution-based recycling technology that dissolves, filters and recovers common post-consumer waste plastics to produce recycled polymer pellets that can replace virgin plastics across multiple industries. The company is based in the UK and focuses on plastics recycling for a circular economy.

1 investor

REVTECH Materials designs and produces patented silicone-based energy dissipation materials engineered for impact protection, tested for elastic response across extreme temperature ranges. Its products are used by brands in recreational, health and wellness, sports, defense, and industrial applications, including military and sports helmets.

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