| Company | Timeline | Status | |
| Winterbrook Gardens Management Company Limited Director • Housewife | 27 Jul 1995←4 Years→26 Nov 1999 | Active | |
| Cyphertech Limited Director • Housewife | 22 Dec 1991←3 Years→30 Sep 1995 | Active | |
| Cyphertech Limited Secretary • Unreported | 22 Dec 1991←3 Years→30 Sep 1995 | Active | |
