| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| George Ball Estates Ltd | 00256044 | 02/12/1997 | Dissolved |
| P.B. Property (Watford) | 00758695 | 02/12/1997 | Dissolved |
| The Bloomsbury Properties Company (Est 1919) Ltd | 00161904 | 02/12/1997 | Dissolved |
| Walbrough Holdings Ltd | 01017087 | 02/12/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BASMA LIMITED | 03317641 | 11/07/1997 | 16/01/2012 | Dissolved |
| BLOOMSBURY PROPERTIES LIMITED | 01419993 | 02/12/1997 | 31/12/2015 | Gold |
| BURLEY PROPERTY INVESTMENT COMPANY LIMITED | 00328557 | 24/03/2000 | 21/05/2023 | Silver |
| COMMERCIAL VISION LIMITED | 03894511 | 18/01/2000 | 13/01/2012 | Dissolved |
| HELLESDON NORWICH MANAGEMENT LIMITED | 05174261 | 08/07/2004 | 08/07/2004 | One Red Flag |
| IMILAR LIMITED | 03104344 | 16/10/1995 | 13/01/2012 | Dissolved |
| ROOK LANE MANAGEMENT COMPANY LIMITED | 06654277 | 23/07/2008 | 31/12/2015 | Gold |
| TALISMAN HOMES (BLOOMSBURY) LIMITED | 05815966 | 15/05/2006 | 31/12/2015 | Dissolved |
| VERNON SMITH LIMITED | 00277124 | 02/12/1997 | 31/12/2015 | Silver |
| WEST CENTRAL AND SUBURBAN INVESTMENT COMPANY,LIMITED(THE) | 00133391 | 02/12/1997 | 31/12/2015 | Gold |