| Company | Timeline | Status | |
| Dene-Tech Surveys Limited Director • Surveyor | 9 Jul 2008←17 Years→Current | Active | |
| Cayenne Marine Limited Secretary • Unreported | 29 Jun 1999←7 Years→31 Mar 2007 | Dissolved | |
| Dene-Tech Services Limited Director • Surveyor | 1 May 1995←30 Years→Current | Active | |
Thames Pipeline Solutions Limited Director • Surveyor | 13 Mar 1993←7 Months→29 Oct 1993 | Dissolved | |
Sub-Scan Limited Director • Surveyor | 14 Jun 1992←1 Year 4 Months→29 Oct 1993 | Dissolved | |
