| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ADVANCE NORTHUMBERLAND (COMMERCIAL) LIMITED | 03556450 | 19/07/2010 | Bronze |
| ADVANCE NORTHUMBERLAND (DEVELOPMENTS) LIMITED | 07497567 | 19/01/2011 | Amber |
| ADVANCE NORTHUMBERLAND (HOUSING) LIMITED | 02042296 | 10/11/2010 | Gold |
| ADVANCE NORTHUMBERLAND (PROJECTS) LTD | 07498154 | 19/01/2011 | One Red Flag |
| ARCH (CORPORATE HOLDINGS) LIMITED | 07495991 | 18/01/2011 | Dissolved |
| ARCH DIGECO LIMITED | 08472358 | 03/04/2013 | Dissolved |
| NORTH EAST FIRE CONTROL COMPANY LIMITED | 06064264 | 22/01/2009 | Dissolved |
| NORTHERN COALFIELDS PROPERTY COMPANY LIMITED | 07508235 | 27/01/2011 | Dissolved |
| WANSBECK LIFE LIMITED | 07508484 | 27/01/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BACKSTAGE STUDIOS LLP | OC339419 | 18/08/2008 | 30/06/2011 | Dissolved |
| Blyth Valley Regeneration Ltd | 06399121 | 15/10/2007 | 10/11/2008 | Dissolved |
| Collingwoods Ltd | 03258150 | 01/10/1998 | 20/07/2001 | Dissolved |
| HOMES FOR NORTHUMBERLAND LIMITED | 04375380 | 15/02/2002 | 30/04/2009 | Dissolved |
| NEWCASTLE AIRPORT LOCAL AUTHORITY HOLDING COMPANY LIMITED | 04118128 | 10/06/2008 | 02/05/2013 | Silver |
| THE ASSOCIATION OF NORTH EAST COUNCILS LIMITED | 05014821 | 16/12/2011 | 22/05/2013 | Gold |
| VISIT NORTHUMBERLAND LTD | 05771216 | 04/12/2008 | 28/03/2012 | Silver |