STERNE
Provides 3D silicone printing services for prototyping and production of technical silicone devices, specializing in medical applications.
- CEO / Founder
- Céline Laget
- Team Size
- 51-200
- Stage
- Acquired
- Total Funding
- Undisclosed
- Latest Round
- Private Equity
- Key Investors
- IDI Group; BNP Paribas Développement; Maelo Capital; CASRA Capital; EXSTO Group
Technology & Products
Key Products
SiO-Shaping® 3D silicone printing (rapid prototyping); LSR/HCR molding & overmolding; extrusion/co-extrusion (tubes, profiles); cleanroom medical silicone device manufacturing; proprietary ranges (SWELLSIL®, HIGHTUBE®, STIRLENE®, etc.)
Technological Advantage
Combines traditional silicone processing (extrusion, injection) with additive manufacturing for rapid prototyping and complex designs, supported by ISO-certified clean rooms.
Differentiation
Value Proposition
Reduces prototyping lead times and enables complex silicone geometries through additive manufacturing, complementing traditional silicone processing methods.
How They Differentiate
Specializes in silicone additive manufacturing with a focus on medical-grade applications, offering integrated services from design to production in clean room environments.
Market & Competition
Target Customers
Medical device manufacturers, industrial clients needing silicone components
Industry Verticals
Medical; Industrial
Competitors
Spectroplast; ACEO; Wacker Chemie
Growth & Milestones
Growth Metrics
Revenue ~€12.6M (2024) and ~€13.5M (2023) per French registry filings; 50-99 employees (2023); historically ~64 staff with ~60% medical / ~25% export at 2022 EXSTO integration; legal entity dissolved into EXSTO mid-2026
Major Milestones
Founded in 1996; Joined EXSTO Group in January 2022; Developed proprietary SiO-Shaping® 3D silicone printing; Fully merged into EXSTO (TUP) effective 30 June 2026 with legal entity dissolved
Notable Customers
Sartorius Stedim Biotech (SSB)