| Company | Timeline | Status | |
| Michael Drain Architects Limited Secretary • Architect | 14 Jun 2002←11 Months→1 Jun 2003 | Active | |
| Michael Drain Architects Limited Director • Architect | 27 Jun 2001←1 Year 11 Months→1 Jun 2003 | Active | |
| Golamead Limited Director • Architect | 15 Apr 2001←2 Years 6 Months→24 Oct 2003 | Active | |
