What Renasens AB does

Renasens AB is a Stockholm-based DeepTech company, founded in 2022 by Dr. Jade Bouledjouidja, that has developed a proprietary two-step waterless textile recycling process based on modified supercritical CO2. The first step extracts dyes and chemical additives from discarded garments, and the second step separates and recovers intact cotton and polyester fibers without depolymerization, preserving fiber strength and quality. The output is positioned as a cost- and performance-competitive substitute for virgin fiber in textile manufacturing.

The company's commercial offering consists of recovered fiber sales and a modular reactor system that can be embedded directly into partner manufacturing sites, enabling localized fiber-to-fiber recycling. Renasens is building a pilot plant in Borås, Sweden, and already supplies recycled fibers to textile manufacturers in Portugal and Italy. Its stated capacity target is 100,000 tonnes of mixed textile waste recycling annually by 2030. In March 2026 the company closed a €10 million seed round led by Extantia, with participation from Course Corrected VC and Norrsken Launcher, to fund the Borås pilot and broader European expansion.

Renasens operates a B2B enterprise sales motion targeting European textile manufacturers. Revenue mechanics combine direct recycled-fiber sales with the potential to license or deploy modular recycling systems at partner sites. The company has been recognized with the H&M Foundation Global Change Award (2025) and the Climate Tech Startup of the Year award at the Startup Lab Summit (Oslo Innovation Week, 2026), underscoring credibility within both the fashion and climate-tech ecosystems. The business model is aligned with tightening EU extended producer responsibility and textile collection regulations, which are creating policy-driven demand for fiber-to-fiber recycling at scale, particularly for difficult polycotton blends.

Name

Renasens AB

Legal name

Renasens AB

Website

https://renasens.com

Company type

Private

Founded year

2022

Operating status

Operating

Headcount range

1–10 employees

Short description

Renasens AB is a Stockholm-based DeepTech company using proprietary modified supercritical CO2 to recover intact cotton and polyester fibers from blended textile waste without water or toxic chemicals, supplying European textile manufacturers in Portugal and Italy.

Ownership category

akta.pro rank

Product category

Textile Recycling

NAICS

Fiber, Yarn, and Thread Mills (313110), Textile Product Mills (314)

SIC

Textile Mill Products (2200)

akta.pro primary industry

Blended-Fiber Separation & Material Recovery (Cotton-Poly/Elastane Blends) (IMAOAMAF)

akta.pro secondary industries

Chemical Recycling & Depolymerization (e.g., PET/Polyamide/Cellulosics) (IMAOAMAC), Regenerated & Recycled Fiber Production (rPET/rNylon/Regenerated Cellulose) (IMAOAMAD)

Keywords

• Textile recycling
• Fiber-to-fiber recycling
• Circular economy materials
• Supercritical CO2 processing
• Recycled cotton fibers

Headquarters

HQ city

Stockholm

HQ country

Sweden

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Infrastructure, Marketing or Sales

Revenue model

1. Recycled Fiber Sales: Renasens generates revenue by selling recovered cotton and polyester fibers to textile manufacturers. The fibers are supplied directly to manufacturers in Portugal and Italy, enabling fiber-to-fiber recycling compatible with existing manufacturing systems.
2. Technology Licensing/Modular Systems: The company deploys modular reactors at partner sites, which may involve licensing the technology or providing modular recycling systems to partners.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

Renasens fundamentally sells recovered cotton and polyester fibers produced through its proprietary waterless supercritical CO2 recycling process, supplied directly to textile manufacturers in Europe. The company also deploys modular recycling reactors at partner manufacturing sites, enabling localized fiber-to-fiber circular production without requiring massive new facilities. Revenue is generated from fiber sales and from licensing/deploying its modular recycling technology to industrial partners.

Product overview

Renasens AB offers a proprietary waterless textile recycling technology that transforms blended textile waste (particularly polycotton blends) into separate, high-quality intact fibers. The core product consists of a two-step process—dye removal followed by fiber separation—utilizing modified supercritical CO₂ technology. This technology preserves fiber integrity without depolymerization, delivering consistent, high-performance output. The company also provides a modular reactor system that can be deployed at partner manufacturing sites, enabling localized circular production without requiring massive new facilities.

Differentiator

Problem solved

Functional benefit

Products and services

• Renasens Textile Recycling Technology A proprietary two-step waterless process using modified supercritical CO2 that separates and recovers intact cotton and polyester fibers from blended and treated textile waste, enabling fiber-to-fiber recycling at industrial scale without water or toxic chemicals. Sold and deployed to textile manufacturers in Europe.
• Modular Reactor System Scalable modular reactors that plug directly into partner textile manufacturing sites, connecting with existing infrastructure to enable localized fiber-to-fiber recycling and circular production. Deployed and licensed to European textile manufacturers.
• Recovered Cotton and Polyester Fibers High-quality recycled cotton and polyester fibers produced from blended and treated textile waste via Renasens' waterless supercritical CO2 process. Fibers are kept whole, strong, and ready to be spun into new yarns, supplied directly to textile manufacturers in Portugal, Italy, and other European markets.

Quantifiable outcome

• 100,000 tonnes of mixed textile waste recycling capacity targeted by 2030
• +2 more outcomes

Named customers1 record

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• European ManufacturerscoreStrategic or Co-development PartnerRenasens works closely with manufacturers across the supply chain. The company already supplies recovered fibers to manufacturers in Portugal and Italy and is expanding partnerships with European manufacturers to process textile waste and supply recovered fibers.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Ambercycle: US-based fiber-recycling company producing regenerated polyester (cycora®) from end-of-life apparel using molecular decomposition. Direct fiber-to-fiber recycling competitor, though focused solely on polyester rather than blended fibers.
• Renewcell: Swedish fiber-recycling company producing Circulose® dissolving pulp from cellulosic textile waste. Direct fiber-to-fiber recycling peer operating in the same European market, though it dissolved and restructured after scaling challenges — a cautionary and competitive signal for Renasens.
• Infinited Fiber Company: Finnish fiber-recycling company producing Infinna™ regenerated cellulose fiber from textile waste using a carbamate process. Closely comparable to Renasens in mission (fiber-to-fiber recycling), customer base (textile manufacturers/brands), and target geography (Europe).
• Worn Again Technologies: UK-based PET and cotton fiber recycler using a chemical separation process targeting blended polyester-cotton textiles. Direct technology and customer overlap with Renasens — both address the polycotton blend problem, the hardest segment of textile waste.
• Circ: US-based fiber-recycling startup that separates and recovers polyester and cotton from blended textiles using a proprietary hydrothermal process. Direct competitor in the polycotton blend recycling space with comparable B2B go-to-market into textile brands and manufacturers.
• Re&Up (Sanko): Turkey-based textile-to-textile recycler operated by Sanko, producing recycled cotton and polyester fibers at industrial scale from post-consumer textile waste. Comparable in output (recycled cotton/polyester fibers), customer base (textile manufacturers), and European/regional supply chain reach.
• Saentis Textiles: European textile-recycling player focused on recovering and regenerating fibers from post-consumer and post-industrial textile waste. Comparable fiber-to-fiber recycling model and European operating geography.

Broad incumbents

• Lenzing AG: Austrian established producer of regenerated cellulosic fibers (e.g., Tencel™/Lyocell). A broad incumbent in the sustainable fiber space serving the same textile manufacturers, with overlapping positioning on recycled/regenerated fiber supply but operating from virgin wood pulp feedstock.
• Aquafil (Econyl): Italian established manufacturer of synthetic fibers including Econyl® regenerated nylon from pre- and post-consumer waste. Broad incumbent serving textile and apparel customers with circular fiber products; competes for sustainability-mandated brand offtakes.

Regional players

• Pure Waste Textiles: Finnish textile manufacturer producing yarns and fabrics from 100% recycled fibers. Comparable end-market (sustainable textiles) and Nordic operating region, though operating further downstream in the value chain than Renasens.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds1 record

Investors3 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Renasens AB