| Company | Timeline | Status | |
| Kassner Music Group Limited Director • Commercial Director | 13 Dec 2021←4 Years→Current | Active | |
| Gemini Records Limited Director • Copyright Manageress | 7 Nov 1996←29 Years→Current | Active | |
| Denker Music Limited Director • Copyright Manageress | 7 Nov 1996←29 Years→Current | Active | |
| Bonney Music Limited Director • Copyright Manageress | 17 Oct 1996←29 Years→Current | Active | |
| Evengral Investments Limited Director • Copyright Manageress | 5 Nov 1992←33 Years→Current | Active | |
| Holland Hill Media Limited Director • Copyright Manageress | 29 Oct 1991←34 Years→Current | Active | |
| President Records Limited Director • Copyright Manageress | 29 Oct 1991←34 Years→Current | Active | |
| Kassner Associated Publishers Limited Director • Copyright Manageress | 29 Oct 1991←34 Years→Current | Active | |
| Edward Kassner Music Co Limited(The) Director • Copyright Manageress | 29 Oct 1991←34 Years→Current | Active | |
| Beautiful Music Limited Director • Copyright Manageress | 26 Oct 1991←34 Years→Current | Active | |
