| Company | Timeline | Status | |
| Calcot Park Management Company Limited Director • Secretary | 25 Sep 2023←2 Years 4 Months→Current | Active | |
| D.E. White Estates Limited Director • Secretary | 17 Jul 2011←14 Years→Current | Active | |
| White (Reading Properties) Limited Director • Company Secretary | 18 Mar 2005←20 Years→Current | Active | |
| D.E. White Estates Limited Secretary • Clerk/typist | 27 Mar 1998←27 Years→Current | Active | |
| White (Reading Properties) Limited Secretary • Secretary | 11 Nov 1996←29 Years→Current | Active | |
