| Company | Timeline | Status | |
| Dyke (Holdings) Limited Director • Housewife | 11 May 1993←30 Years→20 Mar 2024 | Active | |
| J.R. Macgregor (Dyke) Limited Director • Unreported | 12 Dec 1991←32 Years→20 Mar 2024 | Active | |
| Duncan Macgregor Limited Secretary • Unreported | 30 Jun 1989←4 Years→20 Sep 1993 | Active | |
