| Company | Timeline | Status | |
| Broadcast (1996) Limited Director • Unreported | 24 Jan 2011←14 Years→Current | Active | |
| Broadcast (1996) Limited Secretary • Unreported | 21 Nov 1996←28 Years→Current | Active | |
| Stereolab Limited Secretary • Unreported | 20 Dec 1994←30 Years→Current | Active | |
| Duophonic Ultra High Frequency Disks Limited Director • Unreported | 25 Aug 1993←32 Years→Current | Active | |
| Duophonic Ultra High Frequency Disks Limited Secretary • Unreported | 25 Aug 1993←32 Years→Current | Active | |
