| Company | Timeline | Status | |
| Responsible Power Systems Limited Director • Managing Director | 16 Jul 2013←12 Years→Current | Active | |
| Bridge Of Allan Civic Trust Director • None | 28 Sep 2010←15 Years→Current | Active | |
| Encomm Ltd Director • Managing Director | 17 Aug 2010←10 Months→1 Jul 2011 | Dissolved | |
| Encomm Solutions Limited Director • Farmer | 13 Jul 2010←13 Years→7 Nov 2023 | Dissolved | |
| Scottish Voice Director • Chairman & Managing Director | 10 Jan 2007←18 Years→Current | Active | |
| Gardenia (Keir) Limited Director • Chairman | 16 Feb 2000←2 Years 5 Months→9 Aug 2002 | Active | |
| Dunblane Farming Company Limited Director • Company Director | 12 Dec 1994←26 Years→22 Jun 2021 | Dissolved | |
| Archie Stirling Limited Director • Director | 14 Sep 1992←33 Years→Current | Active | |
| Keir & Cawder Limited Director • Company Director | 11 Dec 1989←35 Years→Current | Active | |
| Keir & Cawder Estates Limited Director • Company Director | 3 Nov 1988←36 Years→Current | Active | |
