| Company | Timeline | Status | |
| Transworld Publishers Limited Director • Publisher | 29 Apr 1991←→19 Jul 1990 | Active | |
| Carousel Books Limited Director • Editorial Director | 31 Mar 1991←→19 Jul 1990 | Active | |
| Corgi Books Limited Director • Editorial Director | 31 Mar 1991←→19 Jul 1990 | Active | |
