| Company | Timeline | Status | |
| H.L. Smith Securities Limited Director • Secretary | 19 Sep 1992←33 Years→Current | Active | |
| H.L. Smith (Holdings) Limited Director • Secretary | 19 Sep 1992←33 Years→Current | Active | |
| Optima Contracting Limited Director • Secretary | 19 Sep 1992←13 Years→15 May 2006 | Active | |
| Optima Partitioning Systems Limited Director • Secretary | 3 Apr 1992←3 Years→3 Apr 1995 | Active | |
