| Company | Timeline | Status | |
| County Yachts Limited Director • Geophysicist | 18 Dec 1992←33 Years→Current | Active | |
| Throwley House Limited Director • Geophysicist | 1 Nov 1992←33 Years→Current | Active | |
| Throwley House Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
| County Yachts Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
