| Company | Timeline | Status | |
| Quadron Investments Limited Director • Solicitor | 31 Jul 1991←20 Years→2 Mar 2012 | Active | |
| Quadron Properties Limited Director • Solicitor | 31 Jul 1991←20 Years→2 Mar 2012 | Active | |
| Quadron Holdings Limited Director • Solicitor | 31 Jul 1991←20 Years→2 Mar 2012 | Active | |
| Astorpeak Properties Limited Director • Company Director | 31 May 1991←23 Years→2 Jun 2014 | Active | |
