| Company | Timeline | Status | |
| Muir Holdings Public Limited Company Director • Company Director | 26 Jan 2007←18 Years→Current | Active | |
| Muir Group Public Limited Company Director • Company Director | 26 Jan 2007←18 Years→Current | Active | |
| Muir Financial Investments Limited Secretary • Coy Director | 22 Mar 1996←3 Years→14 Jun 1999 | Active | |
| Deer Park Golf & Country Club Limited Secretary • Coy Director | 22 Mar 1996←3 Years→14 Jun 1999 | Active | |
| Scot Kits Limited Secretary • Coy Director | 22 Mar 1996←3 Years→14 Jun 1999 | Active | |
| Muir Leisure Limited Secretary • Coy Director | 22 Mar 1996←3 Years→14 Jun 1999 | Active | |
| J.W.Muir (Property Investments) Limited Secretary • Coy Director | 22 Mar 1996←3 Years→14 Jun 1999 | Active | |
| Thain Homes (Central) Limited Secretary • Coy Director | 22 Mar 1996←3 Years→14 Jun 1999 | Active | |
| Muir Timber Systems Limited Secretary • Unreported | 22 Mar 1996←3 Years→14 Jun 1999 | Active | |
| Thain Homes (Lothian) Limited Secretary • Coy Director | 22 Mar 1996←3 Years→14 Jun 1999 | Active | |
