CMSA Information

CMSA is a Swiss high-precision manufacturing partner. From our headquarters in Biel/Bienne and 10 specialized production sites, we develop, manufacture and assemble complex components for three industries: Luxury & Watchmaking: precision components, oscillating weights, cases, bracelets and buckles, and jewelry elements. MedTech: components for implantable and minimally invasive devices, with assembly in ISO 7 and ISO 8 cleanrooms. Advanced industries: parts for electronics and semiconductors, scientific instrumentation and optics, measurement and control, connectivity, aerospace and security. What sets us apart is the combination of three areas of expertise under one roof: high-precision manufacturing, surface treatment and functional coatings, and precious metal alloys and advanced materials. We cover the full value chain, from design and prototyping to logistics: casting and forming, machining, surface treatment, cleaning, assembly, packaging, and precious-metal recycling. Certified to ISO 9001, ISO 13485 and ISO 14001, with an ISO/IEC 17025 accredited laboratory. More than 140 years of metallurgical know-how, applied to tight tolerances in demanding, regulated industries. Follow us for news from our sites, our industries and our teams.