| Company | Timeline | Status | |
| South End Music School Limited Secretary • Director | 17 Dec 2005←1 Year 12 Months→13 Dec 2007 | Active | |
| Martin Phelps Music Limited Director • Director | 17 Dec 2005←17 Years→20 Feb 2023 | Active | |
| Martin Phelps Music Limited Secretary • Director | 17 Dec 2005←1 Year 12 Months→13 Dec 2007 | Active | |
| South End Music School Limited Director • Unreported | 30 Nov 2003←21 Years→Current | Active | |
