| Company | Timeline | Status | |
| Ritson Wharf Limited Director • Engineer  | 30 Sep 2004←3 Years→30 Sep 2007  | Active  | |
| Ritson Wharf Limited Director • Director  | 14 Feb 1999←3 Years→5 Oct 2002  | Active  | |
| Ritson Wharf Limited Secretary • Director  | 14 Feb 1999←3 Years→1 Jan 2003  | Active  | |
