| Company | Timeline | Status | |
| Welwyn Books Limited Director • Electronic Engineer | 27 Apr 1999←21 Years→16 Mar 2021 | Dissolved | |
| Brainboxes Limited Director • Designer | 3 Sep 1996←29 Years→Current | Active | |
| Brainboxes Limited Secretary • Designer | 3 Sep 1996←29 Years→Current | Active | |
