| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACADEMY SERVICES (HOLDINGS) LIMITED | 04217647 | 03/10/2001 | 08/07/2002 | Gold |
| ACADEMY SERVICES (TENDRING) LIMITED | 04217720 | 03/10/2001 | 08/07/2002 | Amber |
| ALLISON HOMES EASTERN LIMITED | 04280860 | 01/08/2008 | 21/06/2013 | Not Trading |
| BAGLAN MOOR HEALTHCARE HOLDINGS LIMITED | 03822838 | 08/03/2001 | 08/07/2002 | Silver |
| BAGLAN MOOR HEALTHCARE PLC | 03722614 | 08/03/2001 | 08/07/2002 | Silver |
| BELLWINCH HOMES (WESTERN) LIMITED | 02308574 | 01/10/2008 | 24/06/2013 | Not Trading |
| BELLWINCH HOMES LIMITED | 00614248 | 01/08/2008 | 21/06/2013 | Not Trading |
| BELLWINCH LIMITED | 01896927 | 01/08/2008 | 21/06/2013 | Not Trading |
| BIOGEN (UK) LIMITED | 05616520 | 02/08/2012 | 26/06/2013 | Silver |
| BIOGEN HOLDINGS LIMITED | 08116503 | 02/08/2012 | 26/06/2013 | Silver |
| Baglan Moor Healthcare Property Ltd | 03947290 | 30/04/2001 | 08/07/2002 | Dissolved |
| CAXTON INTEGRATED SERVICES HOLDINGS LIMITED | 01531034 | 26/07/2006 | 14/12/2011 | Not Trading |
| FRENCH KIER ANGLIA LIMITED | 01611139 | 15/07/2002 | 16/11/2005 | Dissolved |
| INFORMATION RESOURCES (BOURNEMOUTH) LIMITED | 03926854 | 09/04/2001 | 08/07/2002 | Bronze |
| INFORMATION RESOURCES (HOLDINGS) LIMITED | 03926632 | 09/04/2001 | 08/07/2002 | Bronze |
| KIER ASSET PARTNERSHIP SERVICES LIMITED | 06928701 | 01/07/2011 | 12/04/2012 | Gold |
| KIER CONSTRUCTION LIMITED | 02099533 | 01/02/2003 | 11/11/2005 | Bronze |
| KIER FACILITIES SERVICES LIMITED | 02624887 | 01/09/2004 | 14/12/2011 | Gold |
| KIER FLEET SERVICES LIMITED | 02127113 | 04/01/2005 | 14/12/2011 | Bronze |
| KIER GROUP PLC | 02708030 | 01/10/2005 | 21/06/2013 | Silver |
| KIER HARLOW LIMITED | 05961079 | 01/02/2007 | 17/04/2007 | Silver |
| KIER LIMITED | 01611136 | 12/01/2006 | 21/06/2013 | Amber |
| KIER PARTNERSHIP LIMITED | 03157734 | 17/06/2003 | 08/06/2011 | Dissolved |
| KIER PLANT LIMITED | 04233359 | 04/01/2005 | 14/12/2011 | Gold |
| KIER PROJECT INVESTMENT LIMITED | 02127111 | 01/11/2000 | 08/07/2002 | Silver |
| KIER PROPERTY LIMITED | 04459403 | 22/02/2013 | 21/06/2013 | Bronze |
| KIER SERVICES LIMITED | 02651873 | 01/09/2004 | 21/06/2013 | Silver |
| PROSPECT HEALTHCARE (HAIRMYRES) HOLDINGS LIMITED | 03507436 | 06/04/2001 | 12/07/2002 | Silver |
| PROSPECT HEALTHCARE (HAIRMYRES) LIMITED | 03508096 | 06/04/2001 | 12/07/2002 | Silver |
| PROSPECT HEALTHCARE (READING) HOLDINGS LIMITED | 04150612 | 15/06/2001 | 12/07/2002 | Bronze |
| PROSPECT HEALTHCARE (READING) LIMITED | 03812009 | 15/06/2001 | 12/07/2002 | Gold |
| TEMPSFORD CEDARS LIMITED | 06575674 | 03/12/2008 | 21/06/2013 | Amber |
| THE BUSINESS SERVICES ASSOCIATION | 02834529 | 01/03/2005 | 04/12/2008 | Bronze |
| TILIA HOMES CALEDONIA LIMITED | 02243256 | 01/08/2008 | 21/06/2013 | One Red Flag |
| TILIA HOMES LIMITED | 00775505 | 01/08/2008 | 21/06/2013 | Amber |
| TILIA HOMES NORTHERN LIMITED | 05877382 | 01/08/2008 | 21/06/2013 | Not Trading |
| TILIA PARTNERSHIP HOMES LIMITED | 04242676 | 01/04/2003 | 31/10/2005 | One Red Flag |
| TWIGDEN HOMES LIMITED | 02205712 | 01/08/2008 | 21/06/2013 | Not Trading |
| TWIGDEN HOMES SOUTHERN LIMITED | 03152729 | 01/10/2008 | 21/06/2013 | Not Trading |