| Company | Timeline | Status | |
| Gramar Management Services Limited Director • Company Director  | 11 Oct 1999←24 Years→28 Nov 2023  | Active  | |
| Graham Hill Properties Limited Secretary • Unreported  | 31 May 1999←24 Years→28 Nov 2023  | Active  | |
| Graham Hill Properties Limited Director • Company Director  | 29 Nov 1991←32 Years→28 Nov 2023  | Active  | |
| George Hill (Oldham) Limited Director • Timber Salesman  | 28 Dec 1990←2 Months→28 Feb 1991  | Active  | |
