| Company | Timeline | Status | |
| Quantel Holdings (2010) Limited Director • Electronics Engineer | 29 Jun 2000←5 Years→17 Feb 2006 | Active | |
| Quantel Group Limited Director • Electronics Engineer | 25 May 1991←14 Years→17 Feb 2006 | Active | |
| Quantel Limited Director • Electronics Engineer | 25 May 1991←14 Years→17 Feb 2006 | Active | |
Micro Consultants Limited Director • Electronics Engineer | 25 May 1991←14 Years→17 Feb 2006 | Dissolved | |
