| Company | Timeline | Status | |
| Grange Rose Hill School Limited Director • Hedmaster | 13 Mar 1996←3 Years→23 Jun 1999 | Active | |
| Iaps Director • Headmaster | 11 Oct 1992←2 Years 10 Months→31 Aug 1995 | Active | |
| Copthorne School Services Limited Director • School Headmaster | 13 Nov 1991←7 Years→10 Nov 1999 | Dissolved | |
