| Company | Timeline | Status | |
| Northern Divers (Holdings) Limited Director • Company Secretary | 4 Jan 1992←34 Years→Current | Active | |
| Northern Divers (Engineering) Limited Director • Secretary | 31 Dec 1991←34 Years→Current | Active | |
| Paddlegrade Limited Director • Secretary | 31 Dec 1991←11 Years→7 Feb 2003 | Active | |
| Northern Divers (Engineering) Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
