| Company | Timeline | Status | |
B P Witherspoon Consulting Ltd Director • Director | 29 Apr 2009←11 Years→6 Oct 2020 | Dissolved | |
| Chelmer Advanced Thermostores Limited Director • Unreported | 6 Feb 2006←19 Years→Current | Active | |
| Chelmer Holdings Ltd Director • Unreported | 6 Feb 2006←19 Years→Current | Active | |
