| Company | Timeline | Status | |
| Training Wisdom Limited Director • Lecturer | 16 Oct 2000←8 Years→31 Aug 2009 | Active | |
| Training Wisdom Limited Secretary • Lecturer | 16 Oct 2000←8 Years→31 Aug 2009 | Active | |
Accountancy Tuition Centre Limited Director • Lecturer | 2 Apr 1998←2 Years 4 Months→31 Jul 2000 | Dissolved | |
