| Company | Timeline | Status | |
| Lochhead Energy Limited Director • Accountant | 24 Aug 2017←3 Years→4 May 2021 | Dissolved | |
| Craighall Energy Limited Director • Director | 7 Feb 2013←12 Years→Current | Active | |
| Craighall Developments Limited Director • Accountant | 22 Sep 2003←22 Years→Current | Active | |
| Luddon Construction Limited Director • Accountant | 25 Aug 2003←20 Years→31 Dec 2023 | Active | |
The Erdc Group Limited Director • Accountant | 9 Apr 1996←7 Years→15 Aug 2003 | Dissolved | |
| Greystone Contracting Limited Secretary • Unreported | 19 Mar 1993←5 Years→31 Mar 1998 | Active | |
