| Company | Timeline | Status | |
| Calcot Park Management Company Limited Director • Unreported | 25 Sep 2023←2 Years 1 Month→Current | Active | |
| D.E. White Estates Limited Director • Unreported | 17 Jul 2011←14 Years→Current | Active | |
| White (Reading Properties) Limited Director • Unreported | 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 | |
