| Company | Timeline | Status | |
| Charles Marks Holdings Limited Director • Builder | 24 Feb 2016←9 Years→Current | Active | |
| Willow Tree Lodge Limited Director • Director | 26 Nov 2010←14 Years→Current | Active | |
| Portsdown House Management Company Limited Director • Director | 12 Aug 2004←4 Years→13 Jan 2009 | Active | |
| Charles Marks Limited Director • Builder | 22 Mar 2002←20 Years→26 Apr 2022 | Dissolved | |
