| Company | Timeline | Status | |
| Crimson Products Limited Director • Managing Director | 10 May 1996←29 Years→Current | Active | |
| Crimson Products Limited Secretary • Finance Director | 10 May 1996←29 Years→Current | Active | |
| Virtual Reality Audio Systems Limited Secretary • Financial Director | 6 Nov 1994←30 Years→Current | Active | |
| Virtual Reality Audio Systems Limited Director • Managing Director | 6 Nov 1994←30 Years→Current | Active | |
