| Company | Timeline | Status | |
| Briggs (Overseas) Limited Director • Company Director | 20 Sep 2005←8 Months→8 Jun 2006 | Active | |
| Briggs Marine Environmental Services Limited Director • Company Director | 1 Jun 2004←2 Years→30 Jun 2006 | Active | |
Briggs Marine Limited Director • Company Director | 1 Jun 2004←1 Year 11 Months→14 May 2006 | Dissolved | |
| Selkirk Hill Investments Limited Director • Company Director | 1 Jun 2004←2 Years→30 Jun 2006 | Active | |
| Briggs Marine Contractors Limited Director • Company Director | 1 Jun 2004←2 Years→30 Jun 2006 | Active | |
| Briggs Environmental Services Limited Director • Company Director | 1 Jun 2004←2 Years→30 Jun 2006 | Active | |
| Briggs Commercial Limited Director • Director | 1 Jun 2004←2 Years→30 Jun 2006 | Active | |
