| Company | Timeline | Status | |
| Clipper Data Limited Director • Consultant | 23 Apr 2003←22 Years→Current | Active | |
| Clipper Data Limited Secretary • Consultant | 23 Apr 2003←22 Years→Current | Active | |
| Ambient Pressure Diving Limited Secretary • Unreported | 4 Dec 2000←24 Years→Current | Active | |
| Ambient Pressure Diving Limited Director • Diving Administrator | 4 Dec 2000←24 Years→Current | Active | |
| Parker Diving Limited Director • Administrator | 8 Feb 1993←32 Years→Current | Active | |
| Parker Diving Limited Secretary • Administrator | 8 Feb 1993←32 Years→Current | Active | |
| A.P. Diving Limited Secretary • Unreported | 28 May 1991←34 Years→Current | Active | |
| A.P. Diving Limited Director • Administrator | 28 May 1991←34 Years→Current | Active | |
