| Company | Timeline | Status | |
| Yellow House English Limited Director • Director | 4 Mar 2011←12 Years→7 Nov 2023 | Dissolved | |
| Unfair Advantage Limited Director • Writer | 25 Oct 1999←16 Years→28 Apr 2016 | Dissolved | |
| Unfair Advantage Limited Secretary • Housewife | 25 Oct 1999←16 Years→28 Apr 2016 | Dissolved | |
| Yellow House Limited Secretary • Company Secretary | 7 Apr 1998←27 Years→Current | Active | |
| Yellow House Limited Director • Unreported | 7 Apr 1998←27 Years→Current | Active | |
