| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Craftmile Ltd | 04075578 | 29/09/2000 | Dissolved |
| Harbour House Farm | 05652098 | 13/12/2005 | Dissolved |
| Innovation Recycling (North East) Ltd | 06261319 | 29/05/2007 | Dissolved |
| Innovation Recycling Ltd | 05612555 | 01/11/2006 | Dissolved |
| JOSEPH HOLT GROUP LIMITED | 03909969 | 01/09/2000 | Silver |
| Make-Believer.Com Ltd | 04044601 | 01/08/2000 | Dissolved |
| SUNDERLAND YOUTH ENTERPRISE TRUST | 02097716 | 06/09/1991 | Dissolved |
| Sunderland Enterprise Agency | 02114441 | 06/09/1991 | Dissolved |
| THE NORTHERN ROCK FOUNDATION | 03416658 | 01/01/2002 | Dissolved |
| The Seaham Initiative Ltd | 02963101 | 30/08/1994 | Dissolved |
| The Wearside Opportunity | 02339076 | 30/07/1991 | Dissolved |
| VAUX BREWERIES LIMITED | 08622764 | 24/07/2013 | Not Trading |
| Works With Water Ltd | 05310902 | 10/01/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH BEER & PUB ASSOCIATION | 01182734 | 10/02/1993 | 02/07/1999 | Silver |
| CDC ENTERPRISE AGENCY LIMITED | 02095779 | 31/03/1992 | 07/01/2015 | Silver |
| CLARK SCOTT-HARDEN LIMITED | 01986391 | 01/05/2001 | 31/07/2003 | Dissolved |
| Clark Scott-Harden Employee Trustee Ltd | 03195849 | 01/05/2001 | 31/07/2003 | Dissolved |
| DERWENTSIDE ENTERPRISE AGENCY C.I.C | 01674373 | 18/02/2013 | 07/01/2015 | Bronze |
| DURHAM CATHEDRAL SCHOOLS FOUNDATION | 02776914 | 03/12/1999 | 01/07/2015 | One Red Flag |
| DURHAM MARKETS COMPANY LIMITED | 02703634 | 04/02/2002 | 24/06/2024 | Gold |
| DURHAM SCHOOL TRADING LIMITED | 04175538 | 08/03/2001 | 01/07/2015 | Bronze |
| EAST DURHAM GROUNDWORK TRUST | 02005504 | 15/08/1992 | 30/07/1997 | Dissolved |
| Emmis Atlantic Radio Manchester Ltd | 05351932 | 01/10/2005 | 10/10/2006 | Dissolved |
| FRIENDS OF SUNDERLAND MINSTER | 04721661 | 03/04/2003 | 07/04/2014 | Gold |
| GENTOO DEVELOPMENTS LIMITED | 06192887 | 30/01/2019 | 29/01/2020 | Silver |
| GRACE HOUSE NORTH EAST | 04419980 | 18/04/2002 | 28/04/2014 | Bronze |
| H E WOOLLEY LIMITED | 04043385 | 01/05/2012 | 01/06/2015 | Bronze |
| INTERNATIONAL CENTRE FOR LIFE (PROPERTY) LIMITED | 03261320 | 16/11/2006 | 20/07/2023 | Silver |
| INTERNATIONAL CENTRE FOR LIFE (TRADING) LIMITED | 03249323 | 16/11/2006 | 20/07/2023 | Not Trading |
| INTERNATIONAL CENTRE FOR LIFE TRUST | 03225820 | 17/07/2000 | 30/03/2009 | Silver |
| LYCETT, BROWNE-SWINBURNE & DOUGLASS LIMITED | 00706042 | 01/01/2002 | 30/04/2007 | Bronze |
| LYCETTS FINANCIAL SERVICES LIMITED | 02057974 | 19/09/2002 | 30/04/2007 | Gold |
| Make-Believer Ltd | 03592996 | 14/06/2000 | 03/08/2005 | Dissolved |
| NEL FUND MANAGERS LIMITED | 02564907 | 17/12/2002 | 20/05/2004 | Gold |
| NORTHERN CONSTRUCTION SOLUTIONS LIMITED | 04346845 | 01/01/2008 | 30/11/2010 | Bronze |
| NSF HOLDINGS LIMITED | 02238143 | 09/12/2002 | 17/03/2005 | Gold |
| Pelaw Trust Trading Ltd | 03110546 | 22/04/1996 | 27/10/2000 | Dissolved |
| S.H.WARD & COMPANY,LIMITED | 00047013 | 11/10/1993 | 10/06/1999 | Not Trading |
| SUNDERLAND SCIENCE PARK LIMITED | 03824926 | 28/03/2001 | 30/06/2008 | Dissolved |
| SWIFT HOTELS LIMITED | 00050371 | 02/04/1998 | 11/06/1999 | Gold |
| SWIFT QUEST LIMITED | 03403305 | 14/07/1997 | 19/07/1999 | Not Trading |
| The Pelaw Trust | 03100986 | 06/09/1995 | 27/10/2000 | Dissolved |
| WHITBREAD HOTEL COMPANY LIMITED | 00224163 | 15/02/1991 | 07/06/1999 | Silver |
| WHITBREAD SUNDERLAND LIMITED | 00048436 | 30/01/1991 | 10/06/1999 | Not Trading |
| Zullatec Ltd | 04484056 | 14/01/2005 | 20/07/2005 | Dissolved |