| Company | Timeline | Status | |
| Cardrome (UK) Limited Secretary • Unreported | 17 Jun 1998←27 Years→Current | Active | |
| Richard C. Bircher (Holdings) Limited Secretary • Unreported | 31 Dec 1990←34 Years→Current | Active | |
| Richard C. Bircher (Holdings) Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
