| Company | Timeline | Status | |
| Ross Sporting Activities Limited Director • Golf Complex | 1 Jul 1996←7 Years→17 Nov 2003 | Active | |
| Ross Sporting Activities Limited Secretary • Golf Complex | 1 Jul 1996←7 Years→17 Nov 2003 | Active | |
| N. S. Pyramid Limited Secretary • Unreported | 27 Sep 1991←34 Years→Current | Active | |
| N. S. Pyramid Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
