| Company | Timeline | Status | |
| Quelltech International Ltd Director • Electronics Engineer | 1 Aug 2022←3 Years→Current | Active | |
Quelltech Ltd Director • Eingineer | 7 Dec 2004←6 Years→17 Mar 2011 | Dissolved | |
Quelltech Ltd Secretary • Unreported | 7 Dec 2004←6 Years→17 Mar 2011 | Dissolved | |
