| Company | Timeline | Status | |
| Matthias Court (Freehold) Limited Director • Sound Engineer | 31 Jul 2018←5 Years→1 Mar 2024 | Active | |
| Matthias Court Management Co (Richmond Upon Thames) Limited Director • Sound Engineer | 31 Jul 2018←5 Years→1 Mar 2024 | Active | |
| Stuart Wilson Sound Limited Director • Production Sound Mixer | 3 Jul 2006←19 Years→Current | Active | |
