| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | JOHN BLAKE MEDIA LTD | 🇬🇧Regno Unito | Active | 09/04/2026 – present |
| Officer | AD LIB PUBLISHERS LIMITED | 🇬🇧Regno Unito | Active | 09/04/2026 – 25/11/2019 |
| Officer | SOHO FRIDAY MEDIA LTD | — | Dissolved | 14/04/2026 – 25/11/2019 |
| Officer | JOHN BLAKE LITERARY CONSULTANCY LTD | 🇬🇧Regno Unito | Dissolved | 14/04/2026 – present |
| Officer | GABLECOT LTD | 🇬🇧Regno Unito | Active | 20/04/2026 – present |
04/12/2019
appointed
25/11/2019
resigned
12/07/2017
appointed