| Company | Timeline | Status | |
| Thermionic Culture Limited Director • Director  | 15 Feb 2022←3 Years→Current  | Active  | |
| Sound Box Creations Limited Director • Company Director  | 11 Apr 2005←20 Years→Current  | Active  | |
| Sound Box Creations Limited Secretary • Chief Engineer  | 11 Apr 2005←20 Years→Current  | Active  | |
| Thermionic Culture Limited Director • Chief Engineer  | 16 Dec 1998←2 Years 9 Months→17 Sep 2001  | Active  | |
| Thermionic Culture Limited Secretary • Chief Engineer  | 16 Dec 1998←2 Years 9 Months→17 Sep 2001  | Active  | |
| 55 Carleton Road Management Limited Director • Chief Design Engineer  | 8 May 1994←5 Years→11 Feb 2000  | Active  | |
