| Company | Timeline | Status | |
| Ad Properties ( Lanarkshire ) Limited Director • Joiner  | 12 Dec 2011←13 Years→Current  | Active  | |
| Lanarkshire Joinery Services Limited Director • Joiner  | 25 May 2006←19 Years→Current  | Active  | |
| Derek Donaldson Joiners Limited Director • Joiner  | 15 Jan 2004←21 Years→Current  | Active  | |
