| Company | Timeline | Status | |
| Martin Middleton Holdings Limited Director • Director | 17 Jan 1992←34 Years→Current | Active | |
| Bio-Oil Research Limited Director • Company Director | 12 Dec 1991←8 Months→12 Aug 1992 | Active | |
| Martin Middleton Holdings Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
