| Company | Timeline | Status | |
| The Alderbrook Park Management Company Limited Director • Director | 23 Jul 2009←4 Years→16 Jun 2014 | Active | |
| The Alderbrook Park Management Company Limited Secretary • Director | 23 Jul 2009←4 Years→16 Jun 2014 | Active | |
| E.C.Williams Limited Secretary • Electroplating | 15 Mar 2001←24 Years→Current | Active | |
| E.C.Williams Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
