| Company | Timeline | Status | |
| Perry Mead Residents Company Limited Director • Head Teacher | 29 Jun 1998←2 Years→3 Jul 2000 | Active | |
| Meeb Management Limited Director • School Principal | 29 May 1996←5 Months→30 Oct 1996 | Active | |
| Chipperfield Land Company Limited Director • Head Teacher | 21 Jul 1993←20 Years→31 Oct 2013 | Active | |
| Chipperfield Homes Limited Director • Head Teacher | 21 Jul 1993←20 Years→31 Oct 2013 | Active | |
| E J Waterhouse & Sons Limited Director • Head Teacher | 21 Jul 1993←20 Years→31 Oct 2013 | Dissolved | |
E J Waterhouse (Potten End) Limited Director • Headmistress | 30 Nov 1991←21 Years→31 Oct 2013 | Dissolved | |
