| Company | Timeline | Status | |
| Buckingham Hillcrest Limited Director • Chartered Surveyor | 6 Oct 1998←7 Years→10 Mar 2006 | Active | |
| Carrera Estates Limited Director • Surveyor | 13 Jul 1991←34 Years→Current | Active | |
| Carrera Estates Limited Secretary • Unreported | 13 Jul 1991←34 Years→Current | Active | |
| Mark Investments Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
