| Company | Timeline | Status | |
| S & T Property Developments Ltd Director • Engineer  | 22 Jan 2018←7 Years→Current  | Active  | |
| S & T Systems Ltd Director • Engineer  | 8 Mar 2005←20 Years→Current  | Active  | |
| S & T Systems Ltd Secretary • Engineer  | 8 Mar 2005←20 Years→Current  | Active  | |
