| Company | Timeline | Status | |
| Monotype Hot-Metal Ltd Director • Librarian | 29 Jul 2020←3 Years→23 Apr 2024 | Dissolved | |
| St. Bride Foundation Trust Limited Director • Retired | 23 May 2012←12 Years→26 Feb 2025 | Active | |
| The Laurence Sterne Trust Director • Company Director | 6 Jun 2006←10 Years→30 Nov 2016 | Dissolved | |
The British Empire And Commonwealth Museum Director • Retired | 20 Jun 2003←8 Years→5 Sep 2011 | Dissolved | |
| The Maas Gallery Limited Director • Bibliothecary | 20 May 1993←28 Years→21 Mar 2022 | Active | |
| Leather Conservation Centre(The) Director • Librarian | 28 Feb 1992←20 Years→4 Apr 2012 | Active | |
| Print Quarterly Publications Director • Editor, The Book Collector | 15 Jan 1992←33 Years→Current | Active | |
| Balcarres Heritage Trust Limited Director • Retired | 17 Nov 1991←34 Years→Current | Active | |
| Friends Of The Bodleian Director • Librarian | 20 Jul 1991←8 Years→29 Jun 2000 | Active | |
| York Glaziers' Trust (The) Director • Librarian | 18 Jul 1991←27 Years→7 Dec 2018 | Active | |
