| Company | Timeline | Status | |
| Peter Mark Limited Director • Company Director | 25 Nov 1991←34 Years→Current | Active | |
| Peter Mark (N.I.) Limited Director • Hairdresser | 24 May 1989←36 Years→Current | Active | |
| Glenbay Director • Unreported | 16 Jan 1987←38 Years→Current | Active | |
| Peter Mark Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
