| Company | Timeline | Status | |
| Pure Publishing Limited Director • Editorial Director | 1 Mar 2016←9 Years→Current | Active | |
| Pure Publishing Limited Director • Publishing | 11 Mar 1999←10 Years→31 Mar 2009 | Active | |
| Choice Publishers Limited Director • Publisher | 26 Oct 1992←2 Months→1 Jan 1993 | Dissolved | |
| Dennis Interactive Limited Director • Publisher | 26 Oct 1992←2 Months→1 Jan 1993 | Dissolved | |
Dennis Publishing International Limited Director • Publisher | 26 Oct 1992←2 Months→1 Jan 1993 | Dissolved | |
| Dennis Publishing Limited Director • Publisher | 26 Oct 1992←2 Months→1 Jan 1993 | Active | |
