| Company | Timeline | Status | |
| Forest Heights Management Company Limited Director • Company Director | 1 Jun 2015←1 Year 3 Months→19 Sep 2016 | Active | |
| Grayson (Building) Limited Secretary • Building Surveyor | 30 Apr 1992←23 Years→4 Nov 2015 | Active | |
| Grayson (Building) Limited Director • Building Surveyor | 28 Oct 1991←24 Years→4 Nov 2015 | Active | |
