| Company | Timeline | Status | |
| Derwent Properties Limited Director • Company Secretary | 26 Feb 1991←34 Years→Current | Active | |
| Birington Limited Secretary • Unreported | 26 Feb 1991←11 Years→20 Jan 2003 | Active | |
| Derwent Properties Limited Secretary • Unreported | 26 Feb 1991←11 Years→20 Jan 2003 | Active | |
| Birington Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
