| Company | Timeline | Status | |
| Russell V Smith Limited Director • Director | 12 Apr 2007←18 Years→Current | Active | |
| The Depository Management Company Limited Director • Consultant Engineer | 5 Apr 2005←10 Years→21 Apr 2015 | Active | |
| The Depository Management Company Limited Secretary • Consultant Engineer | 5 Apr 2005←10 Years→21 Apr 2015 | Active | |
| 3 Amherst Road Limited Director • Engineer | 22 Dec 2003←21 Years→Current | Active | |
