| Company | Timeline | Status | |
| The Macarthur Investment Group Limited Director • Company Director  | 6 Jan 2009←16 Years→Current  | Active  | |
| Cochrane Property Company Limited Director • Solicitor  | 10 Oct 1989←36 Years→Current  | Active  | |
| Lanarkshire Heritable Assets Company Limited Director • Solicitor  | 10 Oct 1989←36 Years→Current  | Active  | |
| The Macarthur Investment Trust Limited Director • Solicitor  | 10 Oct 1989←36 Years→Current  | Active  | |
| Strathclyde Securities Company Limited Director • Solicitor  | 10 Oct 1989←36 Years→Current  | Active  | |
| Clyde Valley Securities Company Limited Director • Solicitor  | 10 Oct 1989←36 Years→Current  | Active  | |
| Vanduara Assets Company Limited Director • Solicitor  | 10 Oct 1989←36 Years→Current  | Active  | |
| Clydesdale Securities Company Limited Director • Solicitor  | 10 Oct 1989←36 Years→Current  | Active  | |
| Telfer Trust Company Limited (The) Director • Solicitor  | 10 Oct 1989←36 Years→Current  | Active  | |
| Renfrewshire Property Company Limited Director • Solicitor  | 10 Oct 1989←36 Years→Current  | Active  | |
