| Company | Timeline | Status | |
| Music Teacher Support Limited Director • Musical Director | 1 Apr 2013←1 Year 11 Months→1 Mar 2015 | Dissolved | |
| Music Teacher Support Limited Secretary • Unreported | 15 Jul 2005←9 Years→31 Dec 2014 | Dissolved | |
| Hofnote Educational Limited Director • Unreported | 13 Aug 2003←22 Years→Current | Active | |
| Hofnote Educational Limited Secretary • Director | 12 Mar 2003←22 Years→Current | Active | |
