| Company | Timeline | Status | |
| The Williams Partnership Limited Secretary • Accountant | 26 Oct 2005←20 Years→Current | Active | |
| The Williams Partnership Limited Director • Accountant | 26 Oct 2005←20 Years→Current | Active | |
| Lady Margaret Flats Management Co. Ltd Director • Student | 3 Apr 1991←4 Years→15 Mar 1996 | Active | |
