| Company | Timeline | Status | |
| Redline (Sound Solutions) Limited Director • Director | 5 Sep 2008←17 Years→Current | Active | |
| Red Line (Scotland) Limited Director • Sales Manager | 26 Jan 2001←24 Years→Current | Active | |
| Crimson Products Limited Director • Director | 10 May 1996←9 Years→29 Jul 2005 | Active | |
| Crimson Products Limited Secretary • Director | 10 May 1996←9 Years→29 Jul 2005 | Active | |
| Virtual Reality Audio Systems Limited Director • Sales Manager | 21 Mar 1994←11 Years→29 Jul 2005 | Active | |
