| Company | Timeline | Status | |
| Cardpro 2000 Limited Director • Elecrtonics Consultant | 26 Feb 2000←24 Years→15 Oct 2024 | Dissolved | |
| Cardpro International Limited Director • Electronics Cons | 26 Jan 2000←25 Years→Current | Active | |
| Cardpro Manufacturing Ltd Director • Electronics Consultant | 8 Sep 1999←25 Years→15 Oct 2024 | Dissolved | |
| Card Professionals Limited Director • Electronics Consultant | 10 Sep 1996←29 Years→Current | Active | |
