| Company | Timeline | Status | |
| Gordon Farquhar Ltd Director • Rig Maintenance | 29 Mar 2019←3 Years→13 Dec 2022 | Dissolved | |
| Enerpro Group Limited Director • Director | 12 Nov 2015←3 Years→5 Apr 2019 | Active | |
Farquhar Design Services Limited Director • Draughtsman | 23 May 1997←20 Years→19 Sep 2017 | Dissolved | |
