| Company | Timeline | Status | |
| Plato Place Management Limited Director • Company Director | 8 Mar 1991←7 Years→12 Aug 1998 | Active | |
| Rockspring Director • Art Exhibition Organiser | 3 Nov 1990←35 Years→Current | Active | |
| Rockspring Secretary • Unreported | 3 Nov 1990←14 Years→30 Jun 2005 | Active | |
