| Company | Timeline | Status | |
| Telford Plastics Limited Director • Unreported | 17 Mar 1995←30 Years→Current | Active | |
| Doggerstrand Limited Director • Engineer | 1 Dec 1992←33 Years→Current | Active | |
| Doggerstrand Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
