| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Barwick Construction Management Ltd | 04148332 | 26/01/2001 | Dissolved |
| Barwick Facilities Management Ltd | 03228443 | 01/08/1996 | Dissolved |
| Barwick Group Services Ltd | 02752752 | 18/01/1993 | Dissolved |
| Chapman Brown Ltd | 02554890 | 22/10/1992 | Dissolved |
| Indigo Star Homes Ltd | 02752761 | 08/11/2006 | Dissolved |
| London Heritage Developments Ltd | 01436048 | 18/12/1990 | Dissolved |
| WHITEHOUND PROPERTY MANAGEMENT COMPANY LIMITED | 07887150 | 10/01/2012 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Carey South Ltd | 02728672 | 09/10/1992 | 17/11/1992 | Dissolved |
| Indigo Star Homes Ltd | 02752761 | 08/11/2006 | 01/03/2007 | Dissolved |
| Indigo Star Homes Ltd | 02752761 | 18/01/1993 | 19/05/2005 | Dissolved |
| LARKHILL HOUSE MANAGEMENT COMPANY LIMITED | 05449304 | 12/05/2005 | 01/01/2007 | Not Trading |
| PHILIPS COURT MANAGEMENT LIMITED | 04833777 | 16/07/2003 | 26/04/2016 | Gold |
| QUEENS STREET MEWS MANAGEMENT LIMITED | 04762512 | 13/05/2003 | 26/01/2010 | Silver |