| Company | Timeline | Status | |
| Blackfriars Residents Limited Director • Building Consultant | 18 Dec 2007←17 Years→Current | Active | |
| Blackfriars Residents Limited Secretary • Unreported | 18 Dec 2007←7 Years→20 Nov 2015 | Active | |
| Sigma Real Estate Ltd Director • Property Development | 25 Apr 2002←23 Years→Current | Active | |
| Sigma Real Estate Ltd Secretary • Property Development | 25 Apr 2002←13 Years→20 Nov 2015 | Active | |
| Macmillan Court (Bishopspark) Residents Association Limited Director • Property Developer | 13 Nov 1998←26 Years→Current | Active | |
