| Company | Timeline | Status | |
| Lyric Chamber Orchestra Limited Director • Violin Restorer | 29 Sep 2023←1 Year 7 Months→28 Apr 2025 | Active | |
| D.E. Vernon Violins Limited Director • Unreported | 29 Sep 2010←15 Years→Current | Active | |
| Fine Violins Limited Director • Unreported | 24 Nov 2003←21 Years→Current | Active | |
