| Company | Timeline | Status | |
| Optima International Limited Director • Chartered Accountant | 7 Mar 1992←7 Years→31 May 1999 | Active | |
| Optima International Limited Secretary • Unreported | 7 Mar 1992←7 Years→31 May 1999 | Active | |
| Optima House Limited Secretary • Unreported | 31 Dec 1991←7 Years→31 May 1999 | Active | |
| Wedge Wire Screens Limited Director • Chartered Accountant | 31 Dec 1991←7 Years→31 May 1999 | Active | |
| Wedge Wire Screens Limited Secretary • Unreported | 31 Dec 1991←7 Years→31 May 1999 | Active | |
| Tilewind Limited Director • Chartered Accountant | 31 Dec 1991←7 Years→31 May 1999 | Active | |
| Tilewind Limited Secretary • Unreported | 31 Dec 1991←7 Years→31 May 1999 | Active | |
| Optimum Systems Limited Secretary • Unreported | 29 Dec 1991←7 Years→31 May 1999 | Active | |
