| Company | Timeline | Status | |
| William Glen Limited Director • Company Director | 30 Sep 1993←8 Years→11 Dec 2001 | Active | |
| Highland Industries Limited Director • Accountant | 26 Dec 1989←11 Years→11 Dec 2001 | Active | |
| Callander And Trossachs Hydropathic Company Limited Director • Accountant | 31 Dec 1988←12 Years→12 Dec 2001 | Active | |
| William Glen & Son Limited Director • Accountant | 31 Dec 1988←8 Years→28 Apr 1997 | Active | |
