| Company | Timeline | Status | |
Borassus Limited Director • Chartered Engineer | 14 Aug 2014←2 Years 5 Months→17 Jan 2017 | Dissolved | |
| Summit Upstream Limited Director • Project Manager | 16 Jun 2009←13 Years→22 Dec 2022 | Dissolved | |
| Prodrill Engineering Limited Director • Chartered Engineer Fei | 17 Oct 2007←1 Year→7 Nov 2008 | Dissolved | |
Advisafe UK Limited Director • Consultant/director | 8 Feb 2002←2 Years 1 Month→7 Apr 2004 | Dissolved | |
| Mustang Associates Limited Director • Petroleum Engineer | 21 Nov 1990←32 Years→22 Dec 2022 | Active | |
