| Company | Timeline | Status | |
| Totalsim Limited Director • Safety Consultant | 20 Feb 2007←1 Year 4 Months→20 Jun 2008 | Active | |
| Ambion International Limited Director • Chemical Engineer | 23 Feb 1999←26 Years→Current | Active | |
| Ambion International Limited Secretary • Unreported | 23 Feb 1999←26 Years→Current | Active | |
| Ambion Group Limited Director • Chemical Engineer | 23 Feb 1999←26 Years→Current | Active | |
| Ambion Group Limited Secretary • Unreported | 23 Feb 1999←26 Years→Current | Active | |
| Ambion Services Limited Director • Chemical Engineer | 22 Feb 1999←26 Years→Current | Active | |
| Ambion Services Limited Secretary • Chemical Engineer | 22 Feb 1999←26 Years→Current | Active | |
| Ambion Consultants Limited Director • Chemical Engineer | 28 Feb 1995←30 Years→Current | Active | |
| Ambion Consultants Limited Secretary • Chemical Engineer | 28 Feb 1995←30 Years→Current | Active | |
