| Company | Timeline | Status | |
| OLD Heath Management Company Limited Director • Finance Director | 24 Apr 1992←25 Years→1 Nov 2017 | Active | |
| B.A. Yeowart Holdings Limited Director • Company Secretary | 21 Aug 1991←26 Years→1 Nov 2017 | Active | |
| B.A. Yeowart Holdings Limited Secretary • Unreported | 21 Aug 1991←26 Years→1 Nov 2017 | Active | |
| Delnabo Estate Limited Secretary • Unreported | 7 Sep 1990←27 Years→1 Nov 2017 | Active | |
| Delnabo Estate Limited Director • Finance Director | 31 Aug 1990←27 Years→1 Nov 2017 | Active | |
