| Company | Timeline | Status | |
JH Projects Limited Director • Computer Games Developer | 19 Sep 2017←2 Years 2 Months→10 Dec 2019 | Dissolved | |
| Tower Studios Limited Director • Computer Games Development | 9 Jun 2004←19 Years→5 Apr 2024 | Active | |
| Sensible Soundware Limited Director • Software Designer | 3 Apr 1995←30 Years→Current | Active | |
Sensible Limited Director • Software Designer | 14 Dec 1994←5 Years→26 Feb 2000 | Dissolved | |
