| Company | Timeline | Status | |
| The Booksellers Association Of The United Kingdom & Ireland Limited Director • Publisher | 31 Jan 2011←3 Years→5 Feb 2014 | Active | |
| Three Clifton Gardens Limited Director • Retired | 6 Oct 2003←22 Years→Current | Active | |
| The British Museum Company Limited Director • Various | 1 Aug 2002←6 Years→11 Mar 2009 | Active | |
| R.A. Enterprises Limited Director • Publisher | 5 Nov 1999←14 Years→17 Sep 2014 | Active | |
| The Publishers Association Limited Director • Publisher | 20 Mar 1997←5 Years→16 Apr 2002 | Active | |
| Book Tokens Limited Director • Publisher | 11 Jul 1996←17 Years→5 Feb 2014 | Active | |
| Eric And Salome Estorick Foundation Director • Publisher | 12 Apr 1996←3 Years→21 Jun 1999 | Active | |
| Swapequal Limited Director • Publisher | 2 Jan 1996←10 Years→31 Mar 2006 | Dissolved | |
| Virago Press Limited Director • Publisher | 2 Jan 1996←10 Years→31 Mar 2006 | Dissolved | |
| V&A Enterprises Limited Director • Company Director | 6 Mar 1992←→30 Sep 1991 | Active | |
