| Company | Timeline | Status | |
| ARTS Club(London),Limited(The) Director • Author | 28 Jun 2004←6 Years→12 Jul 2010 | Active | |
| Dinah Wiener Limited Director • Literary Agent | 12 Oct 1991←34 Years→Current | Active | |
| Dinah Wiener Limited Secretary • Unreported | 12 Oct 1991←34 Years→Current | Active | |
