| Company | Timeline | Status | |
| Environmental Engineering Limited Director • Company Director | 29 Apr 2014←2 Years 7 Months→30 Nov 2016 | Active | |
| Environmental Engineering (UK) Limited Director • Engineer | 1 Oct 2011←5 Years→30 Nov 2016 | Active | |
| Countryman Defence Limited Director • None | 31 Oct 2005←7 Years→21 Dec 2012 | Active | |
| Control Instruments Limited Director • None | 31 Oct 2005←7 Years→21 Dec 2012 | Active | |
| Newton Derby Limited Director • None | 31 Oct 2005←7 Years→21 Dec 2012 | Active | |
| R F Winder Electrical Limited Director • None | 31 Oct 2005←7 Years→21 Dec 2012 | Active | |
| Winder Power Limited Director • None | 17 May 2005←7 Years→21 Dec 2012 | Active | |
| Asquith Investments Limited Director • Mergers And Acquisitions | 5 Jan 2004←16 Years→17 Nov 2020 | Dissolved | |
| Repower Mining International Limited Director • Company Director | 7 Jul 1999←5 Years→3 Dec 2004 | Active | |
