| Company | Timeline | Status | |
| Ritz Hotel (London) Limited(The) Director • Construction Manager | 27 Oct 1995←10 Years→1 Aug 2006 | Active | |
| Hillgate Estate Agents Director • Construction Manager | 22 Sep 1992←14 Years→26 Feb 2007 | Active | |
| Ellerman Holdings Limited Director • Construction Manager | 6 Aug 1992←17 Years→19 Nov 2009 | Dissolved | |
| Trenport Investments Limited Director • Construction Manager | 4 Apr 1992←14 Years→9 Jan 2007 | Active | |
| Ellerman Investments Limited Director • Construction Manager | 5 Nov 1991←7 Years→15 Mar 1999 | Active | |
| Ellerman Investments Limited Director • Unreported | 1 Jan 1970←29 Years→15 Mar 1999 | Active | |
