| Company | Timeline | Status | |
| Grand Prix Karting Limited Director • Salesman | 26 Nov 1998←10 Years→30 Jun 2009 | Active | |
| Super Prix Karting Limited Director • Sales Director | 1 Apr 1993←16 Years→30 Jun 2009 | Active | |
| Grand Prix Management Services Limited Director • Sales Director | 10 Mar 1993←7 Years→14 Mar 2000 | Active | |
