| 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  | |
| Keystone (Ealing) Productions Limited Director • Manager & Promoter  | 7 Nov 1991←34 Years→Current  | Active  | |
| Orestes Music Publishing Limited Director • Manageress And Promoter  | 20 Oct 1991←16 Years→1 Sep 2008  | Active  | |
