| Company | Timeline | Status | |
| Kuuma Ltd Director • Engineer | 4 Oct 1999←26 Years→Current | Active | |
| Kuuma Ltd Secretary • Engineer | 4 Oct 1999←26 Years→Current | Active | |
| Busikids Limited Director • Design Engineer | 5 Aug 1997←28 Years→Current | Active | |
| Busikids Limited Director • Design Engineer | 5 Aug 1997←27 Years→17 Oct 2024 | Active | |
