| Company | Timeline | Status | |
| T W W Realisations Limited Secretary • Unreported | 2 Sep 1991←34 Years→Current | Active | |
| W.B. Black & Sons (Holdings) Limited Secretary • Unreported | 31 Oct 1988←37 Years→Current | Active | |
| P.P.M. (Glasgow) Limited Secretary • Unreported | 31 Oct 1988←32 Years→22 Jun 2021 | Dissolved | |
| SC063166 Limited Secretary • Unreported | 1 Jan 1970←55 Years→Current | Active | |
