| Company | Timeline | Status | |
| Evoke Transport Planning Consultants Limited Director • Chartered Accountant | 4 Jan 2019←8 Months→16 Sep 2019 | Active | |
| Walker Family Holdings Limited Director • Director | 17 Dec 2014←6 Years→18 Jun 2021 | Active | |
| Purple Patch Management Limited Director • Director | 17 Dec 2014←6 Years→18 Jun 2021 | Active | |
| A.B.Walker & Son Limited Director • Director | 17 Dec 2014←6 Years→18 Jun 2021 | Active | |
| JC XP Ltd Director • Director | 8 Oct 2014←3 Years→30 Apr 2018 | Dissolved | |
J C Corporate (Goodsell) Ltd Director • Director | 5 Apr 2012←5 Years→25 Jul 2017 | Dissolved | |
| James Cowper Trustees Limited Director • Accountant | 29 Mar 2012←6 Years→30 Apr 2018 | Active | |
James Cowper Capital Limited Director • Chartered Accountant | 30 Apr 2010←6 Years→27 Oct 2016 | Dissolved | |
| James Cowper Services Limited Director • Chartered Accountant | 15 Dec 2009←8 Years→30 Apr 2018 | Active | |
| JC Payroll Services Limited Director • Chartered Accountant | 11 Nov 2009←8 Years→30 Apr 2018 | Active | |
