| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ATBLOCKS UK LIMITED | 05816248 | 11/07/2006 | Dissolved |
| ATIS LIMITED | 06396545 | 11/10/2007 | Dissolved |
| FLOODLESS LIMITED | 05375426 | 24/02/2005 | Dissolved |
| NORTH EAST FIRE CONTROL COMPANY LIMITED | 06064264 | 18/09/2008 | Dissolved |
| Thompson Coast Construction Limited | 02478017 | 29/03/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADDJECT LTD. | 03471746 | 26/11/1997 | 01/08/2001 | Dissolved |
| ADVANCE NORTHUMBERLAND (COMMERCIAL) LIMITED | 03556450 | 07/09/2009 | 19/07/2010 | Bronze |
| AMARK PROPERTIES LTD | 04243666 | 12/08/2002 | 12/08/2024 | Gold |
| AMARK PROPERTIES LTD | 04243666 | 29/06/2001 | 17/04/2018 | Gold |
| ATIS LIMITED | 06396545 | 11/10/2007 | 08/03/2010 | Dissolved |
| Baron Scarpia Ltd | 02635545 | 14/08/1991 | 19/08/1991 | Dissolved |
| Baron Scarpia Ltd | 02635545 | 14/08/1991 | 14/11/2003 | Dissolved |
| FLOODLESS LIMITED | 05375426 | 24/02/2005 | 14/03/2008 | Dissolved |
| NEWBIGGIN BY THE SEA PARTNERSHIP | 03740675 | 24/03/1999 | 14/05/2009 | Bronze |
| NEWBIGGIN BY THE SEA PARTNERSHIP | 03740675 | 23/03/2003 | 16/03/2024 | Bronze |
| NEWBIGGIN COMMUNITY VENTURES COMMUNITY INTEREST COMPANY | 08395585 | 02/07/2013 | 30/04/2014 | Silver |
| NEWCASTLE AIRPORT LOCAL AUTHORITY HOLDING COMPANY LIMITED | 04118128 | 06/06/2008 | 04/05/2011 | Silver |
| TBLOCKS LIMITED | 05105592 | 20/04/2004 | 14/03/2008 | Strike Off |
| TBLOCKS LIMITED | 05105592 | 20/04/2004 | 05/06/2024 | Strike Off |
| THOMPSON BUSINESS EQUIPMENT LIMITED | 01481204 | 01/09/1991 | 19/04/1994 | Dissolved |