| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALBION YARD (ESTATES) LIMITED | 02849510 | 21/02/1994 | Bronze |
| COLBOW LIMITED | 05010186 | 08/01/2004 | One Red Flag |
| COLUMBIA ARCHITECTURAL DESIGN LIMITED | 03301377 | 13/01/1997 | Amber |
| COLUMBIA GROUP PLC | 03504147 | 04/02/1998 | Not Trading |
| COLUMBIA HOUSE PROPERTIES (NO.1) LIMITED | 02974045 | 28/10/1994 | Gold |
| COLUMBIA HOUSE PROPERTIES (NO.3) LIMITED | 03203167 | 13/06/1996 | Insolvent |
| COLUMBIA HOUSE PROPERTIES (NO.6) LIMITED | 03325937 | 28/02/1997 | One Red Flag |
| COLUMBIA RENTALS LIMITED | 02901321 | 11/03/1994 | Amber |
| COLUMBIA RENTALS PROPERTY MANAGEMENT LIMITED | 03398243 | 03/07/1997 | Dissolved |
| Columbia House Properties (No.2) Ltd | 02899975 | 05/01/1995 | Dissolved |
| Columbia House Properties (No.4) Ltd | 03245992 | 20/09/1996 | Dissolved |
| Columbia House Properties (No.5) Ltd | 03261797 | 15/10/1996 | Dissolved |
| Columbia House Properties (No.7) Ltd | 03325958 | 28/02/1997 | Dissolved |
| Columbia Rentals Cleaning Ltd | 03696045 | 15/01/1999 | Dissolved |
| D K Aroma Ltd | 04102100 | 03/11/2000 | Dissolved |
| Dk Leisure Corp Ltd | 03703390 | 28/01/1999 | Dissolved |
| FORMATION D&B HOLDINGS LIMITED | 13205243 | 16/02/2021 | Bronze |
| FORMATION ESTATE AGENTS LIMITED | 03925200 | 14/02/2000 | Dissolved |
| FRONTLAUNCH LIMITED | 02638285 | 18/10/1994 | Bronze |
| GOLDBOW LIMITED | 03439472 | 08/10/1997 | Silver |
| J.G.W. LIMITED | 02886561 | 30/04/1997 | Gold |
| KENNEDY O'BRIEN DEVELOPMENTS LIMITED | 13216057 | 22/02/2021 | Dissolved |
| Lawnmark Ltd. | 02922423 | 12/05/1994 | Dissolved |
| Metropolitan Flat Services Ltd | 03374951 | 22/05/1997 | Dissolved |
| Nilepool Ltd | 04244609 | 11/07/2001 | Dissolved |
| Sildon Ltd. | 02909674 | 09/05/1994 | Dissolved |
| WORDMATCH TRADING LIMITED | 02804412 | 21/02/1994 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABERDEEN PARADE MANAGEMENT CO. LIMITED | 01835938 | 22/02/1998 | 16/08/2005 | Not Trading |
| FORMATION DESIGN & BUILD LIMITED | 03536763 | 20/04/1998 | 21/06/2007 | Bronze |