| Company | Timeline | Status | |
| Duckworth Books Ltd Director • Company Director | 6 Jun 2016←9 Years→Current | Active | |
| Independent Publishers Guild Director • Company Director | 1 Mar 1998←3 Years→3 Feb 2002 | Active | |
| N B Limited Director • Publisher | 3 Jan 1993←22 Years→11 Jun 2015 | Dissolved | |
