| Company | Timeline | Status | |
| The Random House Group Limited Director • Publisher | 3 Jul 2009←6 Years→30 Sep 2015 | Active | |
| PRH International Services Limited Director • Publisher | 19 Jan 2009←6 Years→30 Sep 2015 | Active | |
| The Book Service Limited Director • Publisher | 19 Jan 2009←6 Years→30 Sep 2015 | Active | |
| Woodlands Books Limited Director • Publisher | 19 Jul 2006←9 Years→30 Sep 2015 | Active | |
| Mainstream Publishing Company (Edinburgh) Limited Director • Director | 21 Apr 2005←10 Years→30 Sep 2015 | Active | |
