| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CORBY LODGE (NORTON) MANAGEMENT COMPANY LIMITED | 04681720 | 05/05/2005 | One Red Flag |
| FRIENDS SCHOOL (GREAT AYTON) MANAGEMENT COMPANY LIMITED | 03809782 | 10/11/2005 | One Red Flag |
| GLEN COURT FLATS LIMITED | 04515438 | 01/09/2005 | One Red Flag |
| HAZEL MEAD VILLAGE (STOKESLEY) MANAGEMENT COMPANY LIMITED | 03990379 | 09/05/2006 | One Red Flag |
| MANOR FARM (COULBY NEWHAM) MANAGEMENT COMPANY LIMITED | 06977045 | 30/07/2009 | One Red Flag |
| ROSEBERRY COURT (GREAT AYTON) MANAGEMENT LIMITED | 04523619 | 23/08/2006 | One Red Flag |
| THE ABBEY SPRINGS MANAGEMENT COMPANY LIMITED | 04095121 | 07/11/2006 | One Red Flag |
| THE COOPERAGE MANAGEMENT COMPANY LIMITED | 03339126 | 01/06/2005 | Bronze |
| THORNGATE MILL MANAGEMENT COMPANY LIMITED | 05244995 | 29/09/2004 | Amber |
| TOWN & CITY DIRECTORS LTD | 06268492 | 04/06/2007 | Not Trading |
| TRINITY ROAD (DARLINGTON) MANAGEMENT COMPANY LIMITED | 03895384 | 13/10/2005 | Amber |
| WITHAM LODGE MANAGEMENT COMPANY LIMITED | 04423856 | 15/12/2006 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BANKSIDE COURT MANAGEMENT COMPANY (DARLINGTON) LIMITED | 06243098 | 22/07/2011 | 22/03/2013 | One Red Flag |
| CHESTERFIELDS (DARLINGTON) MANAGEMENT COMPANY LIMITED | 04550376 | 24/06/2004 | 10/11/2024 | Bronze |
| CLAREMONT (DARLINGTON) MANAGEMENT COMPANY LIMITED | 05573642 | 26/09/2005 | 20/01/2011 | Not Trading |
| CLARENDON HOUSE (DARLINGTON) MANAGEMENT COMPANY LIMITED | 04070585 | 06/10/2003 | 19/04/2024 | Not Trading |
| GLEN COURT FLATS LIMITED | 04515438 | 11/05/2005 | 12/08/2015 | One Red Flag |
| GREYSTOKE PARK MAINTENANCE (NO. 2) LIMITED | 02916314 | 20/11/2006 | 06/06/2008 | Amber |
| MINERVA MEWS MANAGEMENT COMPANY LIMITED | 03060709 | 13/12/2005 | 05/12/2007 | Silver |
| QUAYSIDE LOFTS MANAGEMENT LIMITED | 04669634 | 23/08/2011 | 31/10/2011 | Dissolved |
| ROPNER GARDENS MANAGEMENT COMPANY LIMITED | 04423839 | 19/10/2005 | 14/03/2011 | Bronze |
| THE STEELHOUSE MANAGEMENT LIMITED | 05256200 | 24/04/2009 | 01/03/2010 | Silver |
| THE WESTERDALE COURT (MIDDLESBROUGH ROAD) MANAGEMENT COMPANY LIMITED | 04148135 | 24/04/2006 | 29/07/2011 | Not Trading |
| THORNTREE VALE (THORNABY) MANAGEMENT COMPANY LIMITED | 06298379 | 07/07/2009 | 28/02/2013 | Amber |