| Company | Timeline | Status | |
| J.O. Plowright & Co. (Holdings) Limited Director • Company Secretary | 8 Dec 2023←1 Year 9 Months→30 Sep 2025 | Active | |
| Clarkson Capital Limited Director • Company Secretary | 8 Dec 2023←1 Year 9 Months→30 Sep 2025 | Active | |
| Clarkson Holdings Limited Director • Company Secretary | 8 Dec 2023←1 Year 9 Months→30 Sep 2025 | Active | |
| Clarkson Tankers Limited Director • Company Secretary | 8 Dec 2023←1 Year 9 Months→30 Sep 2025 | Active | |
| Clarkson Shipbrokers Limited Director • Company Secretary | 8 Dec 2023←1 Year 9 Months→30 Sep 2025 | Active | |
| Clarkson Sale And Purchase Limited Director • Company Secretary | 8 Dec 2023←1 Year 9 Months→30 Sep 2025 | Active | |
| Clarkson Dry Cargo Limited Director • Company Secretary | 8 Dec 2023←1 Year 9 Months→30 Sep 2025 | Active | |
| Clarkson Property Holdings Limited Director • Company Secretary | 8 Dec 2023←1 Year 9 Months→30 Sep 2025 | Active | |
| Halcyon Shipping Limited Director • Company Secretary | 8 Dec 2023←1 Year 9 Months→30 Sep 2025 | Active | |
| Levelseas Limited Director • Company Secretary | 6 Jun 2023←2 Years 3 Months→30 Sep 2025 | Active | |
