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Syntetica

Entrepreneur First '24

Paris, FR · Founded 2024 · 13 known investors

syntetica.co

Syntetica develops chemical recycling technologies to make polymers circular, starting with nylon, turning waste into new materials. The company works on green chemistry and process scale-up for industrial applications.

Also known as Synthetica

Advanced ManufacturingBiotechCircular EconomyCleantechNew Materials

Founders & leadership

Syntetica was founded in 2024 by Ash, Marco Bertone, and Louis Monsigny.

AAsh
AshCo-founder
MBMarco Bertone
Marco BertoneinCo-founder & CEOMarco Bertone has a background in startup go-to-market, and previously drove a fashion marketplace's sales from $1M to $40M over a two-year period.
LM
Louis MonsignyinCo-Founder, SynteticaLouis Monsigny is a chemist recognized among Europe's specialists in his field, holding a PhD and completing two postdoctoral appointments focused on molecular catalysis and plastic depolymerization.

Investors · 13

Also in the syndicate · 10

Bear Flag CapitalEtam family officeEuropean Innovation CouncilIndorama Ventures largest shareholder family officeJean-Éric Vergnelululemon AthleticaPatrice LafarguePaul-Henri MathieuPeugeot family officePeugeot Invest

Company profile

researched Aug 2026

Syntetica is a Paris-based deeptech company developing chemical recycling technology for complex textile waste, with an initial focus on nylon. Its process operates at low temperature and low pressure and uses a catalyst-driven molecular separation approach to depolymerise nylon-blended fabrics, separating and purifying nylon from elastane, cotton and other fibres. The resulting molecular intermediates are cleaned of additives and contaminants and then repolymerised into production-ready materials the company describes as virgin-quality, low-carbon and drop-in. A distinguishing claim is the ability to process both Nylon 6 and Nylon 6,6 from mixed textile waste in a single process, addressing the need to identify and separate nylon types that the company cites as a major barrier to recycling post-consumer nylon at scale.

The company positions its recycled polymers for textile, automotive and high-performance applications, and states it intends to extend the platform beyond nylon to additional materials and applications over time, including textiles, automotive and speciality chemicals. It cites Textile Exchange data indicating global nylon production of roughly 7 million tonnes in 2024, of which recycled nylon accounts for about 2%, and notes that more than 80% of textiles discarded by households are incinerated, landfilled or abandoned.

Following its July 2026 Series A, Syntetica plans to build its first commercial demonstration facility in France, developed through a partnership with Michelin's Centre for Sustainable Materials in Clermont-Ferrand, targeting processing of hundreds of tonnes of textile waste per year, alongside further polymer purification R&D and expansion of engineering and commercial partnership teams.

Founding story

Public sources report that Syntetica was founded in 2023 by Marco Bertone (CEO) and Louis Monsigny (CTO) and originated within the Entrepreneur First program in Paris, where EQT Ventures first met the founders before leading the company's seed round. (One database listing gives the founding year as 2023 and headquarters as Reims, differing from other sources that describe the company as Paris-based.)

Business model

Business-to-business supply of recycled polymer materials: Syntetica takes mixed and contaminated nylon-containing textile waste and produces purified, repolymerised nylon for brands and manufacturers, working with apparel companies through pilot and capsule-collection partnerships and scaling toward industrial production capacity.

Traction

Seed round of €4.2 million in July 2024 and a $30 million Series A in July 2026, bringing total funding to $38 million per one report. Pilot partnerships with Victoria's Secret and Etam plus additional global apparel companies; a job posting in April 2026 was reported as revealing a partnership with Etam. Demonstration facility planned in France with Michelin's Centre for Sustainable Materials, targeting hundreds of tonnes of textile waste per year. One data provider lists 19 employees; the careers page lists a Project Manager role in Boston, MA.

Latest developments

On 16 July 2026 Syntetica announced a €26.1 million ($30 million) Series A led by the Ecotechnologies 2 fund managed by Bpifrance on behalf of the French government, with SWEN Capital Partners, lululemon, MAS Holdings, existing investor EQT Ventures, the family offices of Peugeot, Etam and Indorama Ventures' largest shareholder, and support from Bpifrance and the European Innovation Council. Proceeds are earmarked for the first commercial demonstration facility in France with Michelin, polymer purification R&D, and expansion of engineering and commercial teams.

Full profile — market position, technology, go-to-market, geography, history, risks & controversies

Market position

Positioned as a deeptech textile-to-textile recycler tackling mixed and contaminated nylon streams that the industry has historically treated as too complex or costly to recycle; investors describe the technology as differentiated and note the convergence of brand commitment, manufacturing partnership and scale-up expertise.

Single-process recycling of both Nylon 6 and Nylon 6,6 from mixed, blended textile waste; low-temperature/low-pressure catalytic chemistry; output marketed as drop-in, virgin-quality and low-cost rather than downcycled material.

Technology

A low-temperature, low-pressure chemical recycling process described as green chemistry, using catalyst-driven molecular separation to depolymerise nylon-blended fabrics and separate nylon from elastane, cotton and other fibres. Intermediates are purified to remove additives and contaminants and repolymerised into virgin-quality Nylon 6 and Nylon 6,6. The company says the process handles both nylon types from mixed textile waste in a single process, and reports validating its molecular separation architecture within its first nine months of operation.

Go-to-market

Syntetica works through strategic pilot partnerships with international fashion brands and textile manufacturers, including a collaboration with Etam on a capsule collection using recycled materials and a targeted fully recycled textile prototype by 2026, and has brought strategic corporate investors such as lululemon and MAS Holdings onto its cap table. Industrial scale-up is pursued via a partnership with Michelin's Centre for Sustainable Materials for its first demonstration plant.

Fashion, apparel and textile brands and manufacturers (for example Victoria's Secret and Etam as pilot partners), plus automotive and other high-performance material users identified as target end markets for Nylon 6 and Nylon 6,6.

Geography

France-based (described as Paris-based in press coverage; one database lists Reims as headquarters), with a planned demonstration plant in Clermont-Ferrand via Michelin's Centre for Sustainable Materials, European supply-chain scaling tracks, and a job posting located in Boston, MA.

History

Founded in 2023 out of the Entrepreneur First program in Paris. In July 2024 it raised a €4.2 million seed round led by EQT Ventures to build a pilot lab for prototype production and expand across Europe, having already formed partnerships with Victoria's Secret and Etam. French regional coverage in October 2024 described its work on recycling tights through chemistry in the Marne. The founders were featured in Forbes' 30 Under 30 Europe 2025 industrial category listing referenced on the company site. In July 2026 the company raised a $30 million Series A to build its first commercial demonstration facility.

Risks & controversies

Sources differ on basic firmographics: press coverage places the company in Paris and founded in 2023 by Marco Bertone and Louis Monsigny, while a secondary-market database lists Reims as headquarters, founding year 2023, a total raised of $4.5 million (inconsistent with the reported $38 million total), and names Ash Ward as CTO and Florian Auban as COO. The business also faces execution risk in moving from laboratory chemistry to industrial-scale production, a step the company itself frames as its central challenge.

Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.

Key figures

latest reported
Employee count (per Caplight listing)Jan 202619 employees
Global nylon production (company citing Textile Exchange)Jan 20247,000,000 tonnes
Household-discarded textiles incinerated, landfilled or abandonedJul 2026more than 80%
Planned demonstration plant throughputJul 2026hundreds of tonnes of textile waste per year
Recycled nylon share of total nylon marketJul 20262%
Seed round size (EUR)Jul 20244,200,000 EUR
Series A round size (EUR)Jul 202626,100,000 EUR
Total funding raised to dateJul 2026$38M

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

Timeline · 6

launches, deals, and filings
Jul 2026
$30M Series A led by Bpifrance's Ecotechnologies 2 fund

€26.1 million ($30 million) Series A led by the Ecotechnologies 2 fund managed by Bpifrance, with SWEN Capital Partners, lululemon, MAS Holdings, EQT Ventures, family offices of Peugeot, Etam and Indorama Ventures' largest shareholder, plus Bpifrance and European Innovation Council support. Funds earmarked for a first commercial demonstration facility, polymer purification R&D and team expansion.

$30M source ↗

Jul 2026
Planned first commercial demonstration facility in France

Construction planned of an industrial-scale textile recycling demonstration facility in France to move from laboratory scale to industrial production, targeting hundreds of tonnes of textile waste annually.

source ↗

Jul 2026
Demonstration plant partnership with Michelin's Centre for Sustainable Materials

Syntetica's first commercial demonstration facility in France is to be developed through a partnership with Michelin's Centre for Sustainable Materials in Clermont-Ferrand.

source ↗

Apr 2025
Featured in Forbes 30 Under 30 Europe 2025 industrial entrepreneurs listing

Company news listing references coverage of the 30 Under 30 Europe 2025 industrial entrepreneurs feature.

source ↗

Jul 2024
€4.2M seed round led by EQT Ventures

Syntetica raised a €4.2 million seed round led by EQT Ventures with participation from the Peugeot and Etam family offices, Volta Circle, Better Angle, Pareto Holdings, Athletico Ventures, Bear Flag Capital and angel investors, to build a pilot lab for prototype production and expand across Europe.

source ↗

Jul 2024
Pilot partnerships with Victoria's Secret and Etam

Syntetica formed partnerships with global brands including Victoria's Secret and Etam; Etam is collaborating on a capsule collection using recycled materials with plans for a fully recycled textile prototype by 2026.

source ↗

Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.

Research sources · 8

primary sources listed

8 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Syntetica do?
French deeptech using chemical depolymerisation to recycle Nylon 6 and 6,6 from mixed textile waste into virgin-quality polymers.
Who founded Syntetica?
Syntetica was founded by Ash, Marco Bertone, Louis Monsigny in 2024.
Who are Syntetica's investors?
Syntetica's investors include Agoranov, Entrepreneur First, Volta Circle.
Where is Syntetica headquartered?
Syntetica is headquartered in Paris, FR.