| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| KIER BUILD LIMITED | 01551959 | 11/11/2005 | 01/04/2010 | One Red Flag |
| KIER CARIBBEAN AND INDUSTRIAL LIMITED | 01406098 | 01/01/2006 | 01/04/2010 | Not Trading |
| KIER CONSTRUCTION LIMITED | 02099533 | 01/01/2004 | 11/11/2013 | Bronze |
| KIER GROUP PLC | 02708030 | 01/10/2005 | 30/06/2014 | Bronze |
| KIER GROUP TRUSTEES LIMITED | 02708026 | 15/01/2009 | 30/06/2014 | Not Trading |
| KIER INFRASTRUCTURE AND OVERSEAS LIMITED | 01157281 | 16/03/1998 | 01/04/2010 | Bronze |
| KIER LIMITED | 01611136 | 12/01/2006 | 30/06/2014 | Amber |
| KIER MINERALS LIMITED | 02099531 | 02/04/2001 | 01/04/2010 | Silver |
| KIER PROJECT INVESTMENT LIMITED | 02127111 | 01/04/2010 | 30/06/2014 | Gold |
| KIER PROPERTY LIMITED | 04459403 | 01/04/2010 | 30/06/2014 | Bronze |
| KIER SERVICES LIMITED | 02651873 | 01/04/2010 | 11/11/2013 | Silver |
| KIER SOUTH EAST LIMITED | 01611216 | 26/01/2005 | 01/04/2010 | Not Trading |
| MILLENNIUM POWER LIMITED | 01531035 | 15/09/1999 | 01/04/2010 | Dissolved |
| TILIA HOMES LIMITED | 00775505 | 01/04/2010 | 30/06/2014 | One Red Flag |
| UK CONTRACTORS GROUP LIMITED | 06648728 | 03/12/2013 | 27/01/2015 | Dissolved |
| WALLIS JOINERY LIMITED | 01976000 | 26/01/2005 | 01/04/2010 | Dissolved |
| WALLIS LIMITED | 00080215 | 26/01/2005 | 01/04/2010 | Not Trading |
| WALLIS SUBSIDIARY ONE LIMITED | 00166870 | 26/01/2005 | 01/04/2010 | Dissolved |