| Company | Timeline | Status | |
| John Blake Media Ltd Director • Publisher | 4 Dec 2019←5 Years→Current | Active | |
| Ad Lib Publishers Limited Director • Director | 6 Jul 2019←4 Months→25 Nov 2019 | Active | |
| Soho Friday Media Ltd Director • Director | 2 Oct 2018←1 Year 1 Month→25 Nov 2019 | Dissolved | |
John Blake Literary Consultancy Ltd Director • Limited Company | 1 Oct 2018←1 Year 3 Months→14 Jan 2020 | Dissolved | |
| Gablecot Ltd Director • Publisher | 12 Jul 2017←8 Years→Current | Active | |
