| Company | Timeline | Status | |
| J. Marr (DRY Foods) Limited Director • Director | 15 Dec 2020←4 Years→Current | Active | |
| Coolships 4 Limited Director • Director | 12 Nov 2020←4 Years→Current | Active | |
| Coolships 3 Limited Director • Director | 29 Jun 2017←8 Years→Current | Active | |
| Coolships 2 Limited Director • Company Director | 10 Sep 2013←12 Years→Current | Active | |
| Fair Isle Fishing Limited Director • Unreported | 21 Aug 2013←12 Years→Current | Active | |
| J. Marr (Commodities) Limited Director • Unreported | 23 Nov 2010←14 Years→Current | Active | |
| Coolships UK Limited Director • Unreported | 6 Mar 2009←16 Years→Current | Active | |
| J. Marr Seafoods (Ship Services) Limited Director • Unreported | 19 Jun 2008←17 Years→Current | Active | |
| J Marr (Management) Services Limited Director • Director | 1 May 2008←17 Years→Current | Active | |
| J. Marr (Seafoods) Limited Director • Unreported | 1 Oct 2004←21 Years→Current | Active | |
