| Company | Timeline | Status | |
| The Woodstock House Management Company Limited Secretary • Unreported | 26 Jun 1991←15 Years→29 Nov 2006 | Active | |
| The Woodstock House Management Company Limited Director • Retired Teacher | 26 Jun 1991←25 Years→22 May 2017 | Active | |
| Tanio Ltd Director • Retired Teacher | 15 Jun 1991←8 Years→23 Sep 1999 | Active | |
