| Company | Timeline | Status | |
| Cyan-Sentinel Holdings Limited Director • Director | 8 Mar 2024←1 Year 7 Months→Current | Active | |
| Scotian Sentinel Limited Director • Director | 1 Aug 2018←3 Years→7 Sep 2021 | Dissolved | |
| Sentinel Offshore Vessels 54 Limited Director • Director | 31 Mar 2015←10 Years→Current | Active | |
| Sentinel Marine Falkland Islands Limited Director • Director | 5 Dec 2014←10 Years→Current | Active | |
| The Emergency Response And Rescue Vessel Association Limited Director • Director | 20 Jul 2014←11 Years→Current | Active | |
Sentinel Ranger Limited Director • Director | 13 Feb 2014←5 Years→7 Jan 2020 | Dissolved | |
| Sentinel Offshore Vessels 3 Limited Director • Director | 6 Jan 2014←7 Years→6 Apr 2021 | Dissolved | |
| Sentinel Offshore Vessels 2 Limited Director • Director | 26 Nov 2013←11 Years→Current | Active | |
| Sentinel Offshore Holdings Limited Director • Director | 11 Apr 2013←12 Years→Current | Active | |
| Sentinel Crewing Limited Director • Director | 11 Apr 2013←12 Years→Current | Active | |
