CLEWTEC
Develops next-generation unclonable seals using 3D printing for offline authentication and integrity verification of products, supply chains and access points.
- CEO / Founder
- Cédric Prins
- Team Size
- 1-10
- Stage
- Active
- Total Funding
- $0.72M
- Latest Round
- Seed
- Key Investors
- Inria; Bpifrance; CNRS; GICAT (GENERATE accelerator)
Technology & Products
Key Products
Next-generation unclonable seals (scellés) for physical authentication
Technological Advantage
Leverages 8 years of R&D from French research institutes CNRS and INRIA to create a physical security layer.
Differentiation
Value Proposition
Provides unclonable physical seals with ECDSA signatures encoded in 3D-printed material for sovereign offline authentication without network, cloud or exposed secrets.
How They Differentiate
Focuses on physical, offline tokens for authentication rather than purely digital or cloud-based security platforms.
Market & Competition
Target Customers
Organizations requiring high-security anti-counterfeiting and sensitive data protection.
Industry Verticals
Security; Industrial; Data Protection
Competitors
SAMPL; Secured3D; UltiMaker Secure
Growth & Milestones
Growth Metrics
Best Technological Advance Award - France Additive 2025; Innovation Prize - 3DPrint 2025; Cited as non-forgeable device in manufactured objects (Report July 2025); Top Inventors 2026; BPI France Deeptech labelled 2023
Major Milestones
Founded end of 2022 as S.A.M (Signature Authentification des Matériaux); Rebranded to CLEWTEC in early 2026; Commercial launch of next-generation unclonable seals
Notable Customers
CORETECHNOLOGIE (Exclusive partnership for CAD file encryption); GICAT - Member; Bpifrance (Deeptech labeled); INRIA (Research origin); CNRS (Research origin); SATT SAYENS (Shareholder)