| Company | Timeline | Status | |
| Intellectual Property Awareness Network Director • Company Director | 14 Jan 2015←2 Years 5 Months→5 Jul 2017 | Active | |
| Teapy Limited Director • Unreported | 23 Dec 2003←21 Years→Current | Active | |
| Contra Vision Supplies Limited Director • Chartered Engineer | 5 Nov 1992←33 Years→Current | Active | |
| C R Hill International Limited Director • Chartered Engineer | 15 Aug 1992←11 Months→31 Jul 1993 | Dissolved | |
| Contra Vision Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
