| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AD2 Ltd | 01994843 | 31/12/1992 | Dissolved |
| AD2 Ltd | 01994843 | 31/12/1992 | Dissolved |
| Aston Technical, Management & Planning Services Ltd | 01122695 | 14/05/1999 | Dissolved |
| Cimtel Ltd | 01864727 | 26/10/1991 | Dissolved |
| Comendec Ltd | 01490600 | 31/12/1990 | Dissolved |
| H D L Fluid Dynamics Ltd | 01533785 | 24/03/1993 | Dissolved |
| LONG MARSTON AIRFIELD DEVELOPMENTS LIMITED | 06742159 | 05/11/2008 | Dissolved |
| Profit Through People Ltd | 03172972 | 21/03/1996 | Dissolved |
| Rowe,William,& Sons Ltd | 00307311 | 25/07/1992 | Dissolved |
| The Birmingham Inventors' Club | 01859063 | 30/03/1992 | Dissolved |
| Uk Business & Innovation Centres Ltd | 03160668 | 25/03/1996 | Dissolved |
| Uk Business & Innovation Centres Ltd | 03160668 | 25/03/1996 | Dissolved |
| Walmsley Microsystems Ltd | 01951897 | 23/07/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AURIGA SERVICES LIMITED | 05093179 | 07/05/2004 | 01/02/2005 | Bronze |
| Aston Environmental Partnership Ltd | 03092138 | 17/08/1995 | 03/12/2001 | Dissolved |
| BIRMINGHAM TECHNOLOGY (PROPERTY ONE) LIMITED | 03089755 | 22/08/1995 | 21/10/2008 | Not Trading |
| BIRMINGHAM TECHNOLOGY (PROPERTY ONE) LIMITED | 03089755 | 22/08/1995 | 11/10/1996 | Not Trading |
| BIRMINGHAM TECHNOLOGY (PROPERTY) LIMITED | 02188998 | 08/05/1992 | 21/10/2008 | Silver |
| BIRMINGHAM TECHNOLOGY (VENTURE CAPITAL) LIMITED | 02188943 | 08/05/1992 | 21/10/2008 | Not Trading |
| BLENHEIM THOMAS LIMITED | 06920228 | 01/06/2009 | 12/05/2014 | Silver |
| Btc Management Services Ltd | 02739712 | 01/04/2002 | 12/07/2006 | Dissolved |
| CENTRAL TECHNOLOGY BELT | 04649812 | 13/05/2003 | 28/01/2009 | Silver |
| COMPLECT LIMITED | 07171360 | 21/04/2010 | 03/01/2014 | Dissolved |
| EMPRIMA LIMITED | 03498746 | 01/10/2008 | 25/03/2011 | Dissolved |
| EVNIA CHARITABLE TRUST | 05338827 | 21/01/2005 | 21/07/2014 | Silver |
| FORTNA UK LIMITED | 02619692 | 19/03/1993 | 15/07/2005 | One Red Flag |
| H.G. HODGES & SON LIMITED | 00613228 | 15/12/2009 | 12/05/2014 | Silver |
| HERTFORDSHIRE BUSINESS INCUBATION CENTRE LIMITED | 04279695 | 31/08/2001 | 19/09/2006 | Dissolved |
| HERTFORDSHIRE BUSINESS INCUBATION CENTRE LIMITED | 04279695 | 31/08/2001 | 16/06/2008 | Dissolved |
| IB (BIRMINGHAM) LIMITED | 01623466 | 08/05/1992 | 21/10/2008 | Dissolved |
| INNOVATION BIRMINGHAM LIMITED | 01720256 | 08/05/1992 | 21/10/2008 | Amber |
| MEDIASCOPE LIMITED | 03503761 | 26/02/1998 | 25/01/2000 | Dissolved |
| MIDLANDS ENVIRONMENTAL BUSINESS COMPANY LIMITED | 03186541 | 16/04/1996 | 10/04/2003 | Dissolved |
| OPTEGRA BIRMINGHAM LIMITED | 04609700 | 01/09/2009 | 30/04/2010 | Dissolved |
| OSI PHARMACEUTICALS (UK) LIMITED | 01709877 | 05/03/1993 | 19/09/1996 | Dissolved |
| Profit Through People Ltd | 03172972 | 14/03/1996 | 16/10/2000 | Dissolved |
| STEVENAGE INITIATIVE LIMITED | 01689706 | 23/10/2001 | 16/07/2008 | Dissolved |
| TECH-NI-PLANT LIMITED | 01646287 | 01/08/1992 | 14/10/2011 | Bronze |
| THE ENGINE HOUSE BEXLEY LIMITED | 05679892 | 27/06/2006 | 14/04/2014 | Silver |
| THE UNITED KINGDOM SCIENCE PARK ASSOCIATION | 02601480 | 28/09/2000 | 12/08/2002 | Silver |
| THURN LIMITED | 07558682 | 10/03/2011 | 12/05/2014 | Amber |
| Techsonix (U K) Ltd | 01688650 | 19/11/1991 | 29/04/1993 | Dissolved |
| UK BUSINESS INCUBATION LIMITED | 03458347 | 27/10/1997 | 31/03/2009 | Dissolved |
| WEST MIDLANDS TECHNOLOGY TRANSFER CENTRE LIMITED | 01883599 | 30/01/1996 | 01/12/1998 | Dissolved |