| Company | Timeline | Status | |
| Park Springs Studios Ltd Director • Director | 2 Feb 2004←4 Years→31 Aug 2008 | Active | |
| Keystone Records Limited Director • Company Director | 21 Oct 1998←23 Years→19 Jul 2022 | Dissolved | |
| Dee O'Reilly Management Limited Director • Manageress And Promoter | 8 Dec 1991←30 Years→19 Jul 2022 | Dissolved | |
| Orestes Music Publishing Limited Director • Manageress And Promoter | 20 Oct 1991←16 Years→1 Sep 2008 | Active | |
| Keystone (Ealing) Productions Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
