| Company | Timeline | Status | |
| David T. Morrison & Co.Limited Director • Company Director | 26 Sep 1991←31 Years→29 Aug 2023 | Dissolved | |
| Crispy Chip Limited Director • Director | 7 Jun 1991←34 Years→Current | Active | |
| Sharif Bros. (Glasgow) Limited Director • Director | 7 Nov 1988←36 Years→Current | Active | |
| Crispy Chip Limited Director • Director | 24 Jun 1988←1 Year 10 Months→30 Apr 1990 | Active | |
