| Company | Timeline | Status | |
| Mackay Property Services Limited Director • Company Director | 10 Feb 2021←4 Years→Current | Active | |
| Mackay Heating (Scotland) Limited Director • Director | 22 Mar 2012←13 Years→Current | Active | |
Mackay Heating Services Limited Director • Engineer | 27 Mar 2002←12 Years→26 Sep 2014 | Dissolved | |
