| Company | Timeline | Status | |
| Stone Marine Shipcare Limited Director • Engineer  | 13 Nov 2018←2 Years 10 Months→15 Sep 2021  | Active  | |
| SMS22 Ltd Director • Engineer  | 10 Nov 2009←11 Years→15 Sep 2021  | Dissolved  | |
| Stone Marine Services Limited Director • Engineer  | 10 Nov 2009←11 Years→15 Sep 2021  | Active  | |
