| Company | Timeline | Status | |
| Jefferay Dog Training Limited Director • Company Director | 10 Jun 2020←5 Years→Current | Active | |
| Jefferay Property Limited Director • Company Director | 19 Jan 2016←9 Years→Current | Active | |
Alarp Training Services Limited Director • Engineer | 31 Jan 2014←3 Years→13 Jun 2017 | Dissolved | |
| Corn Exchange Management Company (South Elmsall) Limited Director • Engineer | 25 Nov 2010←14 Years→Current | Active | |
Jefferay Solutions Ltd Director • Engineer | 24 Apr 2007←11 Years→16 Apr 2019 | Dissolved | |
