| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Birthday Girl Ltd | 03565548 | 18/05/1998 | Dissolved |
| Bishop Seminars Ltd | 03999951 | 29/05/2000 | Dissolved |
| Deonet Information Technologies Ltd | 03599089 | 16/07/1998 | Dissolved |
| Exe (Uk) Ltd | 05558130 | 08/09/2005 | Dissolved |
| Glue Factory Films Ltd | 04335391 | 06/12/2001 | Dissolved |
| SOH0 Sounds Lt | 01928026 | 01/10/1991 | Dissolved |
| Saxon Star Ltd | 03524238 | 10/03/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CROSSCLIFF LIMITED | 03452764 | 31/10/1997 | 11/04/2017 | One Red Flag |
| Holybush Properties Ltd | 02767255 | 24/11/1992 | 07/06/2004 | Dissolved |
| Holybush Properties Ltd | 02767255 | 24/11/1992 | 07/06/2004 | Dissolved |
| LONDON WRITERS LIMITED | 01660956 | 19/08/2009 | 28/01/2020 | Silver |
| LONDON WRITERS LIMITED | 01660956 | 19/08/2009 | 19/08/2009 | Silver |
| New Business Horizons Ltd | 02454260 | 23/12/1995 | 18/07/1997 | Dissolved |
| PORTOBELLO BOOKS LIMITED | 02982111 | 04/08/2003 | 25/10/2007 | Not Trading |
| PORTOBELLO FILMS AND TELEVISION LIMITED | 02101663 | 01/04/1995 | 01/09/2008 | Dissolved |
| PORTOBELLO MUSIC PUBLISHING LIMITED | 02452689 | 04/08/2003 | 01/09/2008 | One Red Flag |
| PORTOBELLO PICTURES LIMITED | 02853568 | 04/08/2003 | 01/09/2008 | Bronze |
| PORTOBELLO PRODUCTIONS LIMITED | 03039035 | 29/03/1995 | 01/09/2008 | One Red Flag |
| PORTOBELLO THEATRE LIMITED | 05622801 | 29/11/2005 | 01/09/2008 | Dissolved |
| STONEGATE PRESS LIMITED | 03783724 | 07/06/1999 | 01/09/2008 | Dissolved |
| THE SWITCH DESIGN COMPANY-UK LIMITED | 04208593 | 30/04/2001 | 28/01/2020 | One Red Flag |