GR3N

Summary Updated Jun 3, 2026

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Location Chiasso, Switzerland
Latest Stage Series B
Total Raised €15.5M+ (Series B)

Founders

Martin Stephan CEO

About

GR3N is a Swiss cleantech company headquartered in Chiasso (Lugano area) that has developed MADE (Microwave Assisted DEpolymerisation), a chemical recycling technology for PET and polyester 123. The company claims its process can handle 100% of PET waste streams — including colored, multilayer, and textile-grade material that mechanical recycling typically cannot — while reducing CO₂ emissions by up to 80% compared to virgin PET production 12. GR3N is using the new funding to build MODUS, described as the world’s first industrial-scale microwave-assisted depolymerisation plant, with planned annual capacity of 40,000 tons, located in Spain and developed in partnership with Intecsa Industrial 12. The MODUS project has separately secured a €35 million grant agreement under the EU Innovation Fund, with financial close expected in Q4 2027 and commercial operations targeted for Q2 2030 12. In conjunction with the round, GR3N appointed Martin Stephan as Chief Executive Officer 23.

Funding History

Date Round Amount Lead Co-investors
2026-06-04 Series B €15.5M 360 Capital VP Textile 123

Growth Capital acted as financial advisor to GR3N on the transaction 1.

What Investors Say

“GR3N has done the hard work engineering technology that handles real-world PET waste complexity with no feedstock limitations.” — Alessandro Zaccaria, Partner, 360 Capital 3

“We see in collaboration with GR3N an innovative sustainable solution for chemical recycling of polyester-containing workwear.” — Kees Timmermans, VP Textile 3

What Founders Say

“I am very excited to join this talented team with the goal to bring the Microwave Assisted Depolymerization technology to market.” — Martin Stephan, CEO, GR3N 3

Sources


  1. Tech.eu, “GR3N raises €15.5M Series B to scale PET chemical recycling,” June 5, 2026. https://tech.eu/2026/06/05/gr3n-raises-eur155m-series-b-to-scale-pet-chemical-recycling/

  2. Startupticker.ch, “GR3N closes a €15.5M Series B round,” June 4, 2026. https://www.startupticker.ch/en/news/gr3n-closes-a-15-5m-series-b-round

  3. Petnology, “GR3N closes €15.5M Series B to scale its chemical PET recycling technology,” June 3, 2026. https://www.petnology.com/online/news-detail/gr3n-closes-eur155m-series-b-to-scale-its-chemical-pet-recycling-technology