| Company | Timeline | Status | |
| Roland Philipps Limited Director • Unreported | 24 Jul 2015←10 Years→Current | Active | |
| Hachette UK Limited Director • Publisher | 5 Mar 2003←4 Years→13 Jun 2007 | Active | |
Macmillan Press Limited Director • Publisher | 7 May 1992←1 Year 8 Months→28 Jan 1994 | Dissolved | |
