| Company | Timeline | Status | |
| Guthriecourt Property Management Limited Secretary • Civil Engineer | 1 May 2008←14 Years→16 Jan 2023 | Active | |
| Guthriecourt Property Management Limited Director • Civil Engineer | 3 Dec 2001←21 Years→16 Jan 2023 | Active | |
| Ross Mansions Management Limited Director • Civil Engineer | 26 Nov 1995←11 Years→25 Mar 2007 | Active | |
