| Company | Timeline | Status | |
| Academy Of St Martin In The Fields Director • Musician | 29 Oct 2024←1 Year 1 Month→Current | Active | |
| Birchill Music Projects Limited Director • Musician | 19 Sep 2024←1 Year 2 Months→Current | Active | |
| Birchill Music (Holdings) Limited Director • Musician | 18 Sep 2024←1 Year 2 Months→Current | Active | |
| Birchill Music Projects (Holdings) Limited Director • Musician | 18 Sep 2024←1 Year 2 Months→Current | Active | |
| Birchill Music (Overseas) Limited Director • Musician | 16 May 2023←2 Years 2 Months→15 Jul 2025 | Dissolved | |
| Birchill Music Limited Director • Musician | 16 Mar 2021←4 Years→Current | Active | |
| Academy Of St Martin In The Fields Director • Musician | 28 Sep 2017←6 Years→22 Nov 2023 | Active | |
| Hattori Trust Company Limited Director • Musician | 2 Jun 2008←17 Years→Current | Active | |
| 67 Cornwall Gardens Limited Director • Musician | 7 Dec 1994←31 Years→Current | Active | |
