| Company | Timeline | Status | |
| IP31 Limited Director • Engineer | 27 Sep 2007←18 Years→Current | Active | |
| Adder Digital Technology Limited Director • Computer Engineer | 13 Dec 1999←7 Years→10 Oct 2007 | Active | |
| Special Project Developments Limited Director • Consultant | 31 Jul 1991←34 Years→Current | Liquidation | |
