| Company | Timeline | Status | |
| McKay (Newtownards) Limited Director • Director  | 27 Sep 2016←9 Years→Current  | Active  | |
Chandler Foundation Limited Director • Pharmacist  | 24 Oct 2012←6 Years→21 May 2019  | Dissolved  | |
| McKay (Dundonald) Limited Director • Pharmacist  | 28 Oct 1992←27 Years→27 Nov 2019  | Active  | |
| McKay (Dundonald) Limited Secretary • Unreported  | 28 Oct 1992←27 Years→27 Nov 2019  | Active  | |
| McKay (Newtownards) Limited Director • Pharmacist  | 28 Oct 1976←39 Years→27 Sep 2016  | Active  | |
| McKay (Newtownards) Limited Secretary • Unreported  | 28 Oct 1976←39 Years→27 Sep 2016  | Active  | |
