| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Artcult Limited | 01274802 | 28/12/1991 | Dissolved |
| Britannica Art Studios Limited | 00937832 | 11/07/1991 | Dissolved |
| Hilton Advertising (Consumer) Ltd | 01511650 | 11/07/1991 | Dissolved |
| Hilton Advertising (Midlands) Ltd | 01353666 | 13/09/1991 | Dissolved |
| Hilton Hodgkins Walker Advertising Ltd | 01353405 | 13/09/1991 | Dissolved |
| Hilton Pownall Wilson Advertising Ltd | 01393864 | 13/06/1992 | Dissolved |
| Hilton Publicity & Promotions (Entertainment) Ltd | 01507301 | 11/07/1991 | Dissolved |
| MOUNT TYNDAL (FREEHOLD) LTD | 05330663 | 12/01/2005 | Silver |
| MOUNT TYNDAL (FREEHOLD) LTD | 05330663 | 12/01/2005 | Silver |
| MOUNT TYNDAL (HAMPSTEAD) MANAGEMENT LIMITED | 01035581 | 17/01/2005 | Gold |
| MOUNT TYNDAL (HAMPSTEAD) MANAGEMENT LIMITED | 01035581 | 24/11/2003 | Gold |
| RJ & A PROPERTIES LIMITED | 03284723 | 27/11/1996 | Silver |
| The Blue Chip Design Co Ltd | 02081328 | 13/09/1991 | Dissolved |
| The Media Group Ltd | 02037612 | 13/09/1991 | Dissolved |
| hilton advertising (london) ltd | 01353404 | 13/09/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 11 FROGNAL FREEHOLD LIMITED | 07175615 | 03/03/2010 | 07/05/2013 | Amber |
| 24 KEMPLAY FREEHOLD LIMITED | 04020951 | 08/08/2000 | 11/01/2010 | Silver |
| ART COMPANY (CREATIVE SERVICES) LIMITED(THE) | 01931739 | 13/09/1991 | 31/03/1994 | Dissolved |
| GHG ACCESS LIMITED | 01253995 | 13/09/1991 | 27/07/1993 | Dissolved |
| GREY LONDON LIMITED | 02499268 | 04/05/1992 | 31/03/1994 | Dissolved |
| GREY MIDLANDS LIMITED | 02499827 | 08/05/1992 | 31/03/1994 | Dissolved |
| GROSVENOR TERRACE PROPERTIES LIMITED | 04256494 | 20/07/2001 | 09/06/2009 | One Red Flag |
| HILTON ADVERTISING LIMITED | 00756971 | 13/09/1991 | 31/03/1994 | Dissolved |
| Mgarr Ltd | 02499769 | 08/05/1992 | 31/03/1994 | Dissolved |
| SPARRING PARTNERS LIMITED | 04204345 | 26/02/2002 | 13/08/2003 | Amber |