| Company | Timeline | Status | |
| Muir Financial Investments Limited Director • Company Director | 10 Dec 2013←11 Years→Current | Active | |
| J.W.Muir (Property Investments) Limited Director • Company Director | 10 Dec 2013←11 Years→Current | Active | |
| Muir Aberdeen Limited Director • Company Director | 14 May 2013←12 Years→Current | Active | |
| Deanway Muir Limited Director • Company Director | 22 Jan 2008←14 Years→13 Dec 2022 | Dissolved | |
| 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 | |
Fairmuir Limited Director • Director | 16 May 2006←9 Years→4 Aug 2015 | Dissolved | |
Envirofix Limited Director • Business Development Director | 21 Apr 2005←10 Years→29 Dec 2015 | Dissolved | |
Envirofix Limited Secretary • Business Development Director | 21 Apr 2005←10 Years→29 Dec 2015 | Dissolved | |
| J.W.Muir Group Public Limited Company Director • Company Director | 1 Sep 1996←29 Years→Current | Active | |
