| Company | Timeline | Status | |
| Mercury Musical Developments Director • Music Publisher | 7 Feb 2006←3 Years→17 Dec 2009 | Active | |
| Josef Weinberger Plays Limited Director • Music Publisher | 26 Oct 2000←22 Years→31 Dec 2022 | Active | |
| National Youth Music Theatre Ltd Director • Music Publisher | 5 Jul 2000←8 Years→8 Apr 2009 | Active | |
| Weinberger Holdings Limited Director • Company Director | 1 Sep 1998←24 Years→31 Dec 2022 | Active | |
| Glocken Verlag Limited Director • Company Director | 1 Sep 1998←24 Years→31 Dec 2022 | Active | |
| Josef Weinberger,Limited Director • Company Director | 1 Sep 1998←24 Years→31 Dec 2022 | Active | |
| Music Publishers Association Limited Director • Music Publisher | 26 Feb 1998←11 Years→17 Sep 2009 | Active | |
| Weinberger Holdings Limited Secretary • Music Publisher | 17 Jun 1996←2 Years 2 Months→1 Sep 1998 | Active | |
| Glocken Verlag Limited Secretary • Unreported | 28 Mar 1992←6 Years→1 Sep 1998 | Active | |
| Josef Weinberger,Limited Secretary • Unreported | 28 Mar 1991←7 Years→1 Sep 1998 | Active | |
