| Company | Timeline | Status | |
| Hylomar Limited Director • Director | 1 Dec 2005←10 Years→11 Mar 2016 | Active | |
| Fosroc Taiwan Limited Director • Finance Director | 18 Jun 1992←4 Months→23 Oct 1992 | Dissolved | |
| Foseco (Rul) Limited Director • Finance Director | 18 Jun 1992←4 Months→23 Oct 1992 | Dissolved | |
