| Company | Timeline | Status | |
| John Oliver Academy Ltd Director • Hairdressor | 23 Oct 2017←8 Years→Current | Active | |
| John Oliver (Norwich) Ltd Director • Unreported | 12 Mar 2012←13 Years→Current | Active | |
| G P Bushnell Ltd Director • Hairdresser | 12 Mar 2012←11 Years→23 May 2023 | Dissolved | |
| John Oliver Partnerships Limited Director • Hairdresser | 11 Oct 1993←32 Years→Current | Active | |
