| Company | Timeline | Status | |
| Hestonbrook Ltd Director • Director | 14 Feb 2010←15 Years→Current | Active | |
| Michael Spiers (Jewellers) Limited Director • Jeweller | 16 Apr 1991←34 Years→Current | Active | |
| Michael Spiers (Jewellers) Limited Secretary • Unreported | 16 Apr 1991←34 Years→Current | Active | |
| Boarleigh Investment Co. Limited Secretary • Unreported | 18 Dec 1990←34 Years→Current | Active | |
| Boarleigh Investment Co. Limited Director • Jeweller | 18 Dec 1990←34 Years→Current | Active | |
| Michael Spiers (Jewellers) Limited Secretary • Unreported | 1 Jan 1970←55 Years→7 Oct 2025 | Active | |
| Michael Spiers (Jewellers) Limited Director • Jeweller | 1 Jan 1970←55 Years→7 Oct 2025 | Active | |
