| Company | Timeline | Status | |
| Mill Hill Developments Limited Director • Executive Chairman | 22 Nov 1993←31 Years→Current | Active | |
| Grantham Electrical Engineering Company Limited Director • Executive Chairman | 15 Jul 1993←32 Years→Current | Active | |
| Grantham Electrical Engineering Company Limited Secretary • Company Secretary/director | 15 Jul 1993←32 Years→Current | Active | |
| Grantham Engineering Ltd Secretary • Unreported | 28 Mar 1992←33 Years→Current | Active | |
| Mogensen Sizers Limited Secretary • Unreported | 28 Mar 1991←34 Years→Current | Active | |
| Mill Hill Developments Limited Secretary • Unreported | 28 Mar 1991←34 Years→Current | Active | |
| Mogensen Sizers Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
| Grantham Engineering Ltd Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
