| Company | Timeline | Status | |
| Steve Helm Limited Director • Director | 8 Jan 2014←11 Years→Current | Active | |
| Stronghouse Limited Director • Director | 24 Jul 2013←1 Year 7 Months→10 Mar 2015 | Dissolved | |
| Zen Audio Limited Director • Director | 13 Nov 2009←4 Years→21 Jul 2014 | Dissolved | |
| Sonic8 Limited Director • Manager | 17 Feb 2003←10 Years→1 Mar 2013 | Active | |
| Sonic8 Limited Secretary • Unreported | 17 Feb 2003←3 Years→1 Feb 2007 | Active | |
