| Company | Timeline | Status | |
| Wharton Electronics Limited Secretary • Engineer | 22 May 2001←24 Years→Current | Active | |
| Wharton Electronics Limited Director • Engineer | 22 May 2001←24 Years→Current | Active | |
| Alphaclock Limited Secretary • Engineer | 1 Sep 2000←25 Years→Current | Active | |
| Alphaclock Limited Director • Engineer | 8 Nov 1999←25 Years→Current | Active | |
| Time House Services Limited Director • Engineer | 30 Mar 1994←31 Years→Current | Active | |
