| Company | Timeline | Status | |
| Airconditioning & Associated Services Limited Director • Director | 8 May 2007←1 Year 2 Months→29 Jul 2008 | Dissolved | |
| Four Seasons Energy Management Group Limited Director • Company Director | 2 May 2007←1 Year 1 Month→16 Jun 2008 | Dissolved | |
| Four Seasons Maintenance Ltd Director • Director | 3 Oct 2005←2 Years 10 Months→29 Jul 2008 | Dissolved | |
| Four Seasons Control Holdings Limited Director • Director | 1 Sep 2005←2 Years 11 Months→29 Jul 2008 | Dissolved | |
