| Company | Timeline | Status | |
| Archetype Publications Limited Director • Director | 7 Jul 2025←5 Months→Current | Active | |
| Boydell & Brewer Group Limited Director • Publisher | 3 Sep 2018←5 Years→31 Jan 2024 | Active | |
| Boydell & Brewer Limited Director • Publishing | 3 Sep 2018←5 Years→31 Jan 2024 | Active | |
Pickering And Chatto (Publishers) Limited Director • Publisher | 17 Sep 1998←16 Years→10 Mar 2015 | Dissolved | |
