1. teletext31. January 1989Foundation of an AG28. March 2003 28. February 1994 The sole proprietorship “Mussler Hard- & Software” was founded and entered in the commercial register. Starting out in a small office, we have continuously developed into a company that now employs five people. Share Related posts3. January 2025Partnership with PrintixRead more3. January 2025Partnership with BitwardenRead more1. November 2023A new chapter in our success story from January 1, 2024Read more