| Company | Timeline | Status | |
| Grove Hall Limited Director • Director | 30 Jan 1993←3 Years→30 May 1996 | Active | |
| Spectris Limited Director • Company Director | 22 May 1991←1 Month→30 Jun 1991 | Active | |
| Spectris Group Holdings Limited Secretary • Unreported | 16 Apr 1991←2 Months→30 Jun 1991 | Active | |
Moon Brothers Limited Director • Company Director | 12 Apr 1991←2 Months→30 Jun 1991 | Dissolved | |
| Spectris Limited Director • Unreported | 1 Jan 1970←21 Years→30 Jun 1991 | Active | |
