| Company | Timeline | Status | |
| ABH Commercial Limited Director • Director  | 21 Jun 2022←3 Years→Current  | Active  | |
| Kerloch Consulting Ltd Director • Director  | 15 Jun 2022←3 Years→Current  | Active  | |
| Alan Buchan Homes Limited Director • Chartered Surveyor  | 7 Apr 2014←11 Years→Current  | Active  | |
| Alan Buchan Contractors Limited Director • Chartered Surveyor  | 3 Jun 2013←12 Years→Current  | Active  | |
| Beedie Lamont Limited Director • Quantity Surveyor  | 21 Dec 2006←6 Years→19 Jul 2013  | Active  | |
