| Company | Timeline | Status | |
| J.H.Cowper Investments Limited Director • Company Director | 29 Jun 1991←34 Years→Current | Active | |
| J.H.Cowper Investments Limited Secretary • Unreported | 29 Jun 1991←34 Years→Current | Active | |
| Tyneside Estate Office Limited Director • Company Director | 29 Jun 1991←34 Years→Current | Active | |
| Tyneside Estate Office Limited Secretary • Unreported | 29 Jun 1991←34 Years→Current | Active | |
