| Company | Timeline | Status | |
| Enterprise Systems Solutions Limited Director • Engineer | 27 Jan 1999←7 Months→15 Sep 1999 | Dissolved | |
| Enterprise Systems Solutions Limited Director • Director | 1 Dec 1998←9 Years→31 Mar 2008 | Dissolved | |
| Enterprise Systems Solutions Limited Director • Engineer | 1 Jan 1997←1 Year 10 Months→26 Nov 1998 | Dissolved | |
| Enterprise Systems Solutions Limited Director • Engineer | 6 Jun 1995←1 Year 3 Months→16 Sep 1996 | Dissolved | |
