| Company | Timeline | Status | |
| K.A.S. Partnership Limited Director • Retired | 24 Mar 2017←3 Years→17 Nov 2020 | Dissolved | |
| Yew Management Company Limited Director • Accountant | 13 Oct 2006←9 Years→18 Mar 2016 | Active | |
| Yew Management Company Limited Secretary • Unreported | 13 Oct 2006←9 Years→6 Apr 2016 | Active | |
| K.A.S. Partnership Limited Secretary • Unreported | 31 Jul 1995←25 Years→17 Nov 2020 | Dissolved | |
