| Company | Timeline | Status | |
| Richardson Hall Construction Limited Secretary • Secretary | 4 Jan 2000←13 Years→19 Aug 2013 | Active | |
| Richardson Hall Construction Limited Director • Secretary | 4 Jan 2000←13 Years→19 Aug 2013 | Active | |
| Richardson Hall Properties Limited Director • Secretary | 1 Jan 1970←43 Years→11 Oct 2013 | Active | |
| Richardson Hall Properties Limited Secretary • Unreported | 1 Jan 1970←43 Years→11 Oct 2013 | Active | |
