| Company | Timeline | Status | |
| Quoys Ltd Director • Unreported | 18 Jun 2018←7 Years→Current | Active | |
| Dennis Thomson Builders Ltd Director • Unreported | 4 Nov 2003←22 Years→Current | Active | |
| SCT Renewables Limited Director • Builder | 25 Sep 2003←2 Years 11 Months→20 Aug 2006 | Active | |
| Viking Wind Limited Director • Unreported | 15 Apr 2002←23 Years→Current | Active | |
| M D Developments (Shetland) Limited Director • Builder | 1 May 1998←24 Years→1 Nov 2022 | Dissolved | |
| Shetland Aerogenerators Limited Director • Unreported | 28 Jan 1992←33 Years→Current | Active | |
