| Company | Timeline | Status | |
| Sensor Insight Ltd Director • Unreported | 29 Dec 2011←13 Years→Current | Active | |
| Space Insight Limited Director • Director | 28 Jul 2005←20 Years→Current | Active | |
| Brinefordia Maintenance Limited Director • Astronomer | 31 May 2000←20 Years→28 Aug 2020 | Active | |
| Observatory Sciences Limited Director • Astronomer | 19 Aug 1998←7 Years→1 Sep 2005 | Active | |
