| Company | Timeline | Status | |
| Singularis Limited Director • Chartered Engineer | 10 Jul 2000←13 Years→1 Jul 2014 | Active | |
| Singularis Limited Secretary • Chartered Engineer | 10 Jul 2000←13 Years→1 Jul 2014 | Active | |
| Envea UK Ltd Director • Chartered Engineer | 1 Jul 1992←9 Years→26 Apr 2002 | Active | |
| Ecctis Limited Director • Retired | 17 Jul 1991←4 Years→28 Mar 1996 | Active | |
| Careers Research And Advisory Centre (Crac) Limited(The) Director • Retired | 8 Jun 1991←4 Years→24 Apr 1996 | Active | |
