| Company | Timeline | Status | |
| Dalton Maag Limited Director • Designer | 19 Sep 1995←1 Month→31 Oct 1995 | Active | |
| Dalton Maag Limited Secretary • Designer | 19 Sep 1995←1 Month→31 Oct 1995 | Active | |
Penrose Design Limited Director • Designer | 18 May 1992←22 Years→23 Dec 2014 | Dissolved | |
