| Company | Timeline | Status | |
| Grand Mansions (Management Services) Limited Director • Retired  | 31 Aug 2010←11 Years→15 Jul 2022  | Active  | |
| Woodstock Gardens Residents Association Limited Secretary • Civil Servant  | 1 Sep 2002←20 Years→14 Dec 2022  | Active  | |
| Woodstock Gardens Residents Association Limited Director • Retired  | 1 Sep 2002←20 Years→21 Dec 2022  | Active  | |
