| Company | Timeline | Status | |
| TRDA Management Limited Director • Developer | 19 Sep 2025←2 Months→Current | Active | |
| Darthaven Services Limited Director • Marina Operator | 24 Nov 2023←2 Years→Current | Active | |
| Darthaven Services Plymouth Limited Director • Marina Operator | 24 Nov 2023←2 Years→Current | Active | |
Marine Parts Limited Director • Director | 8 Nov 2013←1 Year 7 Months→23 Jun 2015 | Dissolved | |
| Darthaven Marina Limited Director • Marina Operator | 9 May 1991←34 Years→Current | Active | |
