| Company | Timeline | Status | |
| Boston Quay Management Limited Director • Director | 29 Apr 2022←1 Year 2 Months→21 Jul 2023 | Active | |
| Puffin Property Management Ltd Director • Unreported | 22 Nov 2013←11 Years→Current | Active | |
| Oceanus Terranus Limited Director • Unreported | 27 May 2004←21 Years→Current | Active | |
Boston Marine Limited Director • Ship Master | 3 Apr 2002←12 Years→6 May 2014 | Dissolved | |
| J Boston & Sons (Holdings) Limited Director • Captain | 17 Apr 2001←22 Years→21 Jul 2023 | Active | |
| J Boston & Sons (Holdings) Limited Secretary • Captain | 17 Apr 2001←22 Years→21 Jul 2023 | Active | |
| Geosa Limited Director • Unreported | 10 Nov 1997←25 Years→21 Jul 2023 | Active | |
| Geosa Limited Secretary • Unreported | 10 Nov 1997←25 Years→21 Jul 2023 | Active | |
