| Company | Timeline | Status | |
| Stockgrove Drive Company Limited Director • Retired | 3 Feb 2020←5 Years→Current | Active | |
| British Astronomical Association(The) Director • Retired | 28 Oct 2009←4 Years→26 Sep 2014 | Active | |
| British Astronomical Association(The) Director • Retired Co Director | 26 Oct 2005←3 Years→29 Oct 2008 | Active | |
| Beebug Limited Director • Computer Specialist | 8 Nov 1991←10 Years→20 Sep 2002 | Active | |
| Beebug Limited Secretary • Unreported | 8 Nov 1991←10 Years→20 Sep 2002 | Active | |
| Stockgrove Drive Company Limited Director • Retired | 8 Oct 1991←11 Years→4 Oct 2003 | Active | |
