| Company | Timeline | Status | |
| Bar O2 Limited Director • Director | 8 Sep 2008←4 Years→30 Apr 2013 | Active | |
| Global Speciality Gases Limited Secretary • Unreported | 12 Jan 2007←6 Years→25 Jun 2013 | Dissolved | |
| Bar O2 Limited Secretary • Unreported | 3 Apr 2001←12 Years→30 Apr 2013 | Active | |
