| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIONOW LIMITED | 03898306 | 17/03/2003 | 22/02/2010 | Gold |
| CENTRE FOR PROCESS INNOVATION LIMITED | 05002194 | 02/07/2004 | 28/03/2022 | Gold |
| CPI INNOVATION SERVICES LIMITED | 05735040 | 08/03/2006 | 20/09/2007 | Gold |
| CPI INNOVATION SERVICES TRUST LIMITED | 06735520 | 05/02/2009 | 03/03/2021 | Not Trading |
| DURHAM CATHEDRAL SCHOOLS FOUNDATION | 02776914 | 19/04/1994 | 22/11/1994 | One Red Flag |
| DURHAM CITY FORUM LIMITED | 04009548 | 07/06/2000 | 31/07/2004 | Dissolved |
| DURHAM UNIVERSITY DEVELOPMENTS LIMITED | 02766904 | 20/03/2000 | 31/08/2004 | One Red Flag |
| DURHAM UTILITIES COMPANY LIMITED | 02906339 | 05/04/2001 | 31/08/2004 | Dissolved |
| Durham Incubation Ltd | 04383054 | 27/02/2002 | 31/07/2004 | Dissolved |
| Durham Phytoscience Ltd | 04451531 | 01/10/2002 | 23/01/2003 | Dissolved |
| Durham University Science Park Management Company Ltd | 02731436 | 28/11/2000 | 31/08/2004 | Dissolved |
| FRIENDS OF DCSF LTD | 00347512 | 21/11/1991 | 20/11/1998 | Silver |
| MOUNTJOY RESEARCH COMPANY LIMITED | 02723759 | 11/11/1997 | 31/08/2004 | Dissolved |
| North East Microelectronics Centre Ltd | 03343342 | 20/03/2000 | 31/08/2004 | Dissolved |
| RTC NORTH LIMITED | 02373630 | 09/12/1997 | 01/09/2004 | Gold |
| SASDA LIMITED | 01856885 | 08/03/2002 | 17/09/2004 | Dissolved |
| THE BOWES MUSEUM | 03879872 | 02/03/2018 | 23/10/2019 | Gold |
| THE CENTRE OF EXCELLENCE FOR NANOTECHNOLOGY MICRO AND PHOTONIC SYSTEMS | 04938671 | 17/01/2007 | 25/01/2010 | Dissolved |
| THE COMPANY OF BIOLOGISTS | 00514735 | 10/06/1994 | 13/11/2015 | Silver |
| THE SOCIETY FOR EXPERIMENTAL BIOLOGY | 01314879 | 09/05/1993 | 25/03/1998 | Silver |