| Company | Timeline | Status | |
| Igas Exploration UK Limited Secretary • Company Secretary | 15 May 2007←1 Year 2 Months→1 Aug 2008 | Dissolved | |
| Cnooc Ettrick U.K. Limited Secretary • Company Secretary | 15 May 2007←1 Year 2 Months→1 Aug 2008 | Active | |
| Cnooc Petroleum Europe Limited Secretary • Chartered Secretary | 29 Nov 2006←1 Year 8 Months→1 Aug 2008 | Active | |
| Nomura Energy Marketing Limited Secretary • Company Secretary | 31 May 2006←2 Years 2 Months→1 Aug 2008 | Dissolved | |
| Nexen Energy Marketing Europe Limited Secretary • Unreported | 5 Oct 2005←2 Years 10 Months→1 Aug 2008 | Dissolved | |
| Nexen Petroleum U.K. Holdings Limited Secretary • Chartered Secretary | 14 Jan 2005←3 Years→1 Aug 2008 | Active | |
| Nexen Energy Services International Ltd Secretary • Chartered Secretary | 28 Jun 1999←9 Years→1 Aug 2008 | Dissolved | |
| Nexen Energy Services International Ltd Director • Chartered Secretary | 28 Jun 1999←9 Years→1 Aug 2008 | Dissolved | |
| Nexen Energy Services International Ltd Secretary • Unreported | 10 Jul 1998←11 Months→28 Jun 1999 | Dissolved | |
