| Company | Timeline | Status | |
| Buchanan Property Company Limited Director • Orthotist | 8 May 2024←1 Year 5 Months→Current | Active | |
| Buchanan Trading Limited Director • Managing Director | 12 Mar 2013←8 Years→2 Sep 2021 | Active | |
| Buchanan Holding Company Limited Director • Orthotist | 31 Jan 2013←12 Years→Current | Active | |
| Govan Originals Ltd Director • Director | 17 Dec 2012←9 Months→11 Oct 2013 | Active | |
| Buchanan Property Company Limited Secretary • Company Director | 11 Dec 1997←27 Years→Current | Active | |
| Buchanan Orthotics Limited Director • Orthotist | 19 May 1989←36 Years→Current | Active | |
