| Company | Timeline | Status | |
| Willerby Associates Limited Director • Director | 18 Nov 2013←8 Years→20 Sep 2022 | Dissolved | |
Boulton Analytics Limited Director • Director | 18 Sep 2009←4 Years→20 May 2014 | Dissolved | |
| Rivington Publishing Limited Director • Unreported | 4 Aug 2005←20 Years→Current | Active | |
