| Company | Timeline | Status | |
| Quartis Holdings Limited Director • Unreported | 22 Sep 2021←4 Years→Current | Active | |
| Quartis Limited Director • Surveyor | 16 Oct 1995←30 Years→Current | Active | |
| Quartis Limited Secretary • Unreported | 30 Jan 1995←7 Months→1 Sep 1995 | Active | |
| Seicrim (Holdings) Limited Director • Unreported | 25 Nov 1994←30 Years→Current | Active | |
| Quartis Limited Director • Surveyor | 12 Jun 1992←3 Years→15 Oct 1995 | Active | |
