| Company | Timeline | Status | |
| Opalfine Limited Director • Manager | 8 May 1992←22 Years→31 Jul 2014 | Active | |
| Kamtao Holdings Limited Director • Computer Engineer | 8 May 1992←22 Years→31 Jul 2014 | Active | |
| Kamtao (Restaurants) Limited Director • Computer Engineer | 8 May 1992←22 Years→31 Jul 2014 | Active | |
| Kamtao Properties Limited Director • Computer Engineer | 3 May 1992←22 Years→31 Jul 2014 | Active | |
| Opalfine Limited Secretary • Unreported | 31 Dec 1991←33 Years→Current | Active | |
| Kamtao Holdings Limited Secretary • Unreported | 31 Dec 1991←33 Years→Current | Active | |
| Kamtao Properties Limited Secretary • Unreported | 31 Dec 1991←33 Years→Current | Active | |
| Kamtao (Restaurants) Limited Secretary • Unreported | 31 Dec 1991←33 Years→Current | Active | |
