| Company | Timeline | Status | |
| Springbank (Oxshott) Limited Director • Personal Secretary | 25 Oct 2002←23 Years→Current | Active | |
| Springbank (Oxshott) Limited Secretary • Personal Secretary | 3 Jun 1999←26 Years→Current | Active | |
| Micret Property Co.Limited Director • Personal Secretary | 26 Oct 1992←33 Years→Current | Active | |
| Micret Property Co.Limited Secretary • Unreported | 26 Oct 1992←33 Years→Current | Active | |
| Mayfield Investment Trust Limited Director • Company Secretary | 10 Oct 1992←33 Years→Current | Active | |
| Mayfield Investment Trust Limited Secretary • Company Secretary | 10 Oct 1992←33 Years→Current | Active | |
| Carent Co.Limited Director • Company Director | 10 Oct 1991←32 Years→23 Apr 2024 | Dissolved | |
