| Company | Timeline | Status | |
| Jethro Tull Production Limited Director • Director | 12 Dec 1996←29 Years→Current | Active | |
| Calliandra Productions Limited Director • Director Secretary | 2 Oct 1995←30 Years→Current | Active | |
| Ian Anderson Music Limited Director • Director | 26 Jun 1995←30 Years→Current | Active | |
| Fraserburgh Smokehouse Limited Director • Director | 22 Oct 1991←9 Years→20 Dec 2000 | Dissolved | |
| The Ian Anderson Group Of Companies Limited Director • Company Secretary | 20 Sep 1991←34 Years→Current | Active | |
Strathaird Limited Director • Director | 22 Sep 1989←11 Years→20 Dec 2000 | Dissolved | |
| Strathaird Salmon Limited Director • Coy Secretary | 31 Dec 1988←11 Years→20 Dec 2000 | Dissolved | |
