| Company | Timeline | Status | |
| Letcombe Investments Limited Director • Retired | 3 Nov 2021←3 Years→11 Mar 2025 | Dissolved | |
| Blackwell Trustees Properties 2 LLP Designated LLP Member • Unreported | 9 Sep 2019←3 Years→27 Sep 2022 | Dissolved | |
| The Copgrove Investment Company Director • Retired | 5 Sep 2017←8 Years→Current | Active | |
Blackwell Trustees Properties LLP Designated LLP Member • Unreported | 26 Mar 2010←4 Years→18 Nov 2014 | Dissolved | |
Shakespeare Head Press Limited Director • Retired | 31 Jan 2007←7 Years→4 Feb 2014 | Dissolved | |
| Blackwell Science (Overseas Holdings) Limited Director • Bookseller/publisher | 11 Apr 1996←7 Years→4 Nov 2003 | Active | |
Blackwell Publishing (Holdings) Limited Director • Bookseller Publisher | 11 Apr 1996←10 Years→2 Feb 2007 | Dissolved | |
Blackwell Publishing Limited Director • Bookseller/publisher | 31 Dec 1992←14 Years→2 Feb 2007 | Dissolved | |
| Blackwell Science Limited Director • Bookseller/publisher | 21 Dec 1992←14 Years→15 Oct 2007 | Dissolved | |
Swets Information Services Limited Director • Bookseller/publisher | 12 Dec 1992←6 Years→19 Oct 1999 | Dissolved | |
