| Company | Timeline | Status | |
| The Loch Lomond Steamship Company Director • Unreported | 11 Dec 2019←5 Years→Current | Active | |
| Simon Cormack Ltd Director • Unreported | 23 Aug 2018←7 Years→Current | Active | |
| Vita Yachts Ltd Director • Naval Architect | 24 Jan 2017←1 Year 7 Months→30 Aug 2018 | Active | |
| Marine Design International Limited Director • Unreported | 2 Nov 2005←20 Years→Current | Active | |
| Marine Design International Limited Secretary • Naval Architect | 2 Nov 2005←20 Years→Current | Active | |
Callan Accountancy Business Services Ltd Secretary • Naval Architect | 22 Sep 2004←5 Years→30 Jun 2010 | Dissolved | |
Callan Accountancy Business Services Ltd Director • Naval Architect | 22 Sep 2004←5 Years→30 Jun 2010 | Dissolved | |
