| Company | Timeline | Status | |
| Architen Landrell Manufacturing Limited Director • Architect | 10 May 2001←4 Years→31 Mar 2006 | Active | |
| Architen Landrell Limited Secretary • Architect | 1 Aug 2000←9 Months→10 May 2001 | Active | |
| Architen Limited Secretary • Architect | 1 Aug 2000←9 Months→10 May 2001 | Active | |
| Architen Landrell Limited Director • Architect | 1 Aug 1991←14 Years→30 Apr 2006 | Active | |
| Architen Limited Director • Architect | 31 Dec 1990←15 Years→30 Apr 2006 | Active | |
