| Company | Timeline | Status | |
| John Oliver Academy Ltd Director • Hair Stylist | 23 Oct 2017←8 Years→Current | Active | |
| John Oliver Academy Ltd Director • Hair Stylist | 23 Oct 2017←6 Years→9 Sep 2024 | Active | |
| John Oliver (Norwich) Ltd Director • Hairstylist | 1 Apr 2012←13 Years→Current | Active | |
| John Oliver (Norwich) Ltd Director • Hairstylist | 1 Apr 2012←12 Years→24 Jul 2024 | Active | |
