| Company | Timeline | Status | |
| Springer Nature Publishers Holdings Limited Director • Publisher | 3 Jul 1995←4 Years→14 Jun 2000 | Active | |
Nature Ltd Director • Publisher | 7 May 1992←5 Years→31 Dec 1997 | Dissolved | |
Macmillan Information Systems Limited Director • Publisher | 21 Apr 1992←5 Years→31 Dec 1997 | Dissolved | |
Macmillan Distribution Limited Director • Publisher | 21 Apr 1992←4 Years→28 Nov 1996 | Dissolved | |
| Smartberry Limited Director • Retired | 30 Oct 1991←32 Years→20 Sep 2024 | Active | |
| Pan Books Limited Director • Publisher | 17 Jul 1991←6 Years→31 Dec 1997 | Active | |
| Macmillan Publishers International Limited Director • Publisher | 8 Jun 1991←6 Years→31 Dec 1997 | Active | |
| Macmillan Education Limited Director • Publisher | 7 May 1991←8 Years→31 Dec 1999 | Active | |
| Macmillan Magazines Limited Director • Publisher | 7 May 1991←8 Years→31 Dec 1999 | Active | |
| Springer Nature Limited Director • Publisher | 7 May 1991←8 Years→31 Dec 1999 | Active | |
