| Company | Timeline | Status | |
| Frogmore Hall Management Company Limited Director • Managing Director | 19 Sep 2012←13 Years→Current | Active | |
| Mark Vitow Limited Director • Director | 30 Sep 1991←34 Years→Current | Active | |
| Mark Vitow Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
