| Company | Timeline | Status | |
Globalised Resources Limited Secretary • College Lecturer | 1 Oct 2005←12 Years→6 Feb 2018 | Dissolved | |
| Frensic & Frensic Limited Director • College Lecturer | 27 Jun 2003←16 Years→1 Jan 2020 | Active | |
South China Design Services Limited Director • College Lecturer | 13 Nov 2000←2 Years 7 Months→23 Jun 2003 | Dissolved | |
