| Company | Timeline | Status | |
| Science Photo Books Limited Director • Picture Researcher | 1 Dec 2021←4 Years→Current | Active | |
| 1 Sunderland Terrace Limited Director • Researcher | 21 Aug 1996←29 Years→Current | Active | |
| Science Photo Library Limited Director • Director | 7 Aug 1991←34 Years→Current | Active | |
