| Company | Timeline | Status | |
| Bsac International Limited Director • Chartered Engineer  | 20 May 2007←3 Years→22 May 2010  | Active  | |
| British Sub-Aqua Club Director • Chartered Engineer  | 20 May 2007←3 Years→22 May 2010  | Active  | |
| SMS22 Ltd Director • Director  | 7 Feb 2006←13 Years→1 Jul 2019  | Dissolved  | |
| Stone Marine Services Limited Director • Director  | 30 Apr 2003←16 Years→1 Jul 2019  | Active  | |
| Stone Marine Shipcare Limited Director • Company Director  | 30 Jun 2000←19 Years→1 Jul 2019  | Active  | |
