| Company | Timeline | Status | |
| O.I.L. Engineering Limited Director • Lawyer | 17 Feb 2006←3 Years→15 May 2009 | Dissolved | |
| Prodrill Engineering Limited Director • Lawyer | 11 Dec 2004←2 Years 1 Month→26 Jan 2007 | Dissolved | |
| TSC Offshore (UK) Limited Director • International Lawyer | 29 Mar 2002←1 Year 7 Months→5 Nov 2003 | Dissolved | |
| Gaia Climate Solutions Limited Director • Lawyer | 20 Sep 1991←4 Months→14 Feb 1992 | Active | |
