yellow mm welding object

From startup to established company

Revolutionizing the fastening world, MultiMaterial-Welding AG is at the forefront of innovative lightweight manufacturing, reshaping the future of automotive, railway, aerospace, and HVAC industries.

MultiMaterial-Welding AG, based in Switzerland, leads the way in advanced fastening solutions based on ultrasonic technology. Founded in 2015, the company specializes in using ultrasonic methods for joining multi-material and lightweight components. We turn thermoplastic materials into versatile, efficient fasteners, making us a key player in sectors like automotive, aerospace, railway, and lightweight construction that require light yet strong assemblies.

At the core of our success is our range of innovative fastening products: LiteWWeight® Pin, Lotus, zEPP, Double Pin, InWWerse® Fastener, and Disc. These products are tailored for a variety of uses, especially for connecting lightweight materials such as porous fiber composites and sandwich panels.

our mission

MultiMaterial-Welding is a joint venture between:

Logo Bosshard
Logo skion gmbh

Our story


  • In 2015, MM-Welding was founded.


  • 1st Licence agreement and partnership​


  • Pivoting from licence provider to product developer​
  • LiteWWeight Pin, Double Pin, Lotus, zEPP and InWWerse Fastener and Disc are developed


  • New Partnership for tooling and automation
  • Bossard AG as a new investor
  • Further development of LiteWWeight (Ball-head) Pin and Double Pin


  • Further development of LiteWWeight Pin, zEPP


  • Further development of InWWerse Fasteners and Discs

Want to join us on our mission?

We invite you to be a part of our ambitious journey to redefine the world of fastening technology. Here, your career is more than a job – it's an opportunity to make a significant impact in industries like automotive, aerospace, and beyond.

Embrace the challenge of driving change and growth in a dynamic field, and explore the endless possibilities that await you at MultiMaterial-Welding AG.