| Company | Timeline | Status | |
| Unick Consulting Limited Director • Architect | 20 Apr 1998←20 Years→31 Jan 2019 | Active | |
| Unick Holdings Limited Director • Architect | 18 Mar 1998←20 Years→31 Jan 2019 | Active | |
| Construction Dispute Resolution Limited Director • Architect | 27 Jan 1997←11 Years→29 Feb 2008 | Active | |
| Construction Dispute Resolution Limited Secretary • Architect | 27 Jan 1997←11 Years→29 Feb 2008 | Active | |
