| Company | Timeline | Status | |
| 7 1/4" Gauge Society Limited Director • Company Director | 13 Sep 2025←1 Month→Current | Active | |
| The Cambridge And District Model Engineering Society Limited Director • None | 30 Nov 2016←1 Year 1 Month→30 Dec 2017 | Active | |
| Pharminox Isolation Ltd Director • Technical Director | 7 Jan 2013←12 Years→Current | Active | |
Salve Healthcare Ltd Director • Managing Director | 31 Mar 1992←2 Years→31 Mar 1994 | Dissolved | |
