| Company | Timeline | Status | |
| Dunes Flats (Sandwich Bay) Limited(The) Director • Company Director | 25 Jul 2008←3 Years→30 Apr 2012 | Active | |
| Bloomsbury Book Publishing Company Limited Director • Director | 21 Sep 2004←5 Years→28 May 2010 | Active | |
| Bloomsbury Publishing Plc Director • Publisher | 24 Jun 2004←5 Years→28 May 2010 | Active | |
| Bloomsbury Publishing Plc Director • Publisher | 3 Jul 2000←6 Months→15 Jan 2001 | Active | |
| Herbert Press Limited Director • Director | 3 Feb 1995←5 Years→1 Jan 2001 | Active | |
| Christopher Helm (Publishers) Limited Director • Publisher | 12 Oct 1991←9 Years→1 Jan 2001 | Active | |
| Alphabooks Limited Director • Publisher | 22 May 1991←9 Years→1 Jan 2001 | Active | |
| Adlard Coles Limited Director • Publisher | 22 May 1991←9 Years→1 Jan 2001 | Active | |
| Bloomsbury Publishing Singapore Limited Director • Publisher | 22 May 1991←9 Years→1 Jan 2001 | Active | |
| A. & C. Black (Distribution) Limited Director • Publisher | 22 May 1991←9 Years→1 Jan 2001 | Active | |
