| Company | Timeline | Status | |
| Lindendove Limited Director • Engineering | 11 Sep 2000←7 Years→2 Sep 2008 | Active | |
| Woldingham Association Limited(The) Director • Engineer | 4 Dec 1996←2 Years 10 Months→30 Sep 1999 | Active | |
| Duetto Limited Director • Unreported | 23 Apr 1991←34 Years→Current | Active | |
| Duetto Limited Secretary • Engineer | 23 Apr 1991←34 Years→Current | Active | |
