| Company | Timeline | Status | |
| The Little Fforest CafÉ Limited Director • Unreported | 9 Jul 2020←5 Years→Current | Active | |
| Venue No 1 Limited Director • Unreported | 12 Mar 2020←5 Years→Current | Active | |
| Stage And Screen School Limited Director • Teacher | 7 Jan 2020←1 Year 6 Months→13 Jul 2021 | Dissolved | |
| Jermin Productions Ltd Director • Unreported | 29 Jan 2013←12 Years→Current | Active | |
| Mark Jermin Management Limited Director • Unreported | 19 Oct 2006←19 Years→Current | Active | |
| The Mark Jermin Stage School Limited Director • Unreported | 5 Feb 2001←24 Years→Current | Active | |
