| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Aivru Systems Ltd | 03031746 | 07/06/1995 | Dissolved |
| Aivru Systems Ltd | 03031746 | 07/06/1995 | Dissolved |
| Aphora Ltd | 03031823 | 07/06/1995 | Dissolved |
| Auxetics Ltd | 04059877 | 25/08/2000 | Dissolved |
| BIOH2 LIMITED | 05722773 | 27/02/2006 | Dissolved |
| BIOIMAGING LIMITED | 05878201 | 17/07/2006 | Dissolved |
| Bioacta Ltd | 04060999 | 18/09/2000 | Dissolved |
| CELLTRAN LIMITED | 03990521 | 11/05/2000 | Dissolved |
| Ceregen Ltd | 03244554 | 12/12/1996 | Dissolved |
| Claremont Systems Ltd | 03031688 | 21/06/1995 | Dissolved |
| Dental Teamwork Training Ltd | 04005356 | 01/06/2000 | Dissolved |
| FIRST WORLD MANUFACTURING LIMITED | 06253982 | 21/05/2007 | Dissolved |
| Firstclock Ltd | 04154793 | 06/02/2001 | Dissolved |
| Global Image Ltd | 03019487 | 02/06/1995 | Dissolved |
| Heip 2001 Ltd | 04170700 | 12/03/2001 | Dissolved |
| ITER8 CONTROL SYSTEMS LIMITED | 06122022 | 21/02/2007 | Dissolved |
| Invector Ltd | 03153912 | 01/02/1996 | Dissolved |
| KNOWLEDGE FLO LIMITED | 07972208 | 01/03/2012 | Gold |
| KNOWLEDGE TRANSFER LIMITED | 06071982 | 29/01/2007 | Dissolved |
| LUMINARIES LIMITED | 03578567 | 10/06/1998 | Dissolved |
| MATERIAL STATE LIMITED | 04529904 | 29/01/2003 | Dissolved |
| Molecular Healthworks Ltd | 04125519 | 21/07/2006 | Dissolved |
| Shefcote Ltd | 04033948 | 14/07/2000 | Dissolved |
| Signalbox Ltd | 02833778 | 12/12/1995 | Dissolved |
| Thixoforge Ltd | 03930065 | 21/02/2000 | Dissolved |
| UNIVERSITY KNOWLEDGE LIMITED | 03745280 | 25/07/2005 | Dissolved |
| UNIVERSITY KNOWLEDGE LIMITED | 03745280 | 26/06/1999 | Dissolved |
| Vforge Ltd | 04215197 | 11/05/2001 | Dissolved |
| Viewcheck Ltd | 03851228 | 29/10/1999 | Dissolved |
| XSUPPRESS LIMITED | 03638032 | 17/12/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADJUVANTIX LIMITED | 03867435 | 15/11/1999 | 13/10/2010 | Dissolved |
| ADVANCED MANUFACTURING (SHEFFIELD) LIMITED | 04364671 | 13/02/2002 | 03/05/2007 | Silver |
| AEQORA LIMITED | 06428241 | 15/11/2007 | 31/07/2010 | Dissolved |
| ARCADIS GEN UK (SEAMS) LIMITED | 04097101 | 26/10/2000 | 24/06/2002 | Amber |
| ASTERION LIMITED | 04129500 | 21/12/2000 | 09/01/2014 | Amber |
| AXORDIA LIMITED | 03860412 | 17/11/1999 | 20/12/2004 | Dissolved |
| Aphora Ltd | 03031823 | 07/06/1995 | 29/08/1995 | Dissolved |
| BIOHYDROGEN LIMITED | 05722771 | 27/02/2006 | 30/03/2007 | Dissolved |
| CAIRN TECHNOLOGY LIMITED | 03715724 | 20/03/1999 | 04/10/1999 | One Red Flag |
| CERTARA UK LIMITED | 04217235 | 15/05/2001 | 29/02/2012 | Gold |
| CONTEQUE LIMITED | 03351814 | 21/07/1997 | 25/02/2003 | Dissolved |
| CONTEQUE LIMITED | 03351814 | 25/02/2003 | 22/05/2006 | Dissolved |
| DICTIONARY OF CLASSICAL HEBREW LIMITED | 04012132 | 09/06/2000 | 21/07/2006 | Bronze |
| Derweb Ltd | 03934832 | 28/02/2000 | 28/04/2000 | Dissolved |
| ECUS LIMITED | 04097099 | 26/10/2000 | 25/11/2003 | One Red Flag |
| EPI GENESYS LIMITED | 06388971 | 03/10/2007 | 20/07/2010 | Silver |
| ESCAFELD ESTATES LIMITED | 04264833 | 03/08/2001 | 01/09/2002 | Silver |
| FURBAN LIMITED | 03563914 | 18/06/1998 | 07/03/2003 | Silver |
| FUSION IP LIMITED | 05275732 | 02/11/2004 | 28/04/2014 | Dissolved |
| FUSION IP SHEFFIELD LIMITED | 04338632 | 16/07/2003 | 28/04/2014 | Amber |
| Groundwater Protection & Restoration Consultants Ltd | 03862744 | 21/10/1999 | 10/10/2000 | Dissolved |
| MAGNOMATICS LIMITED | 05878200 | 19/07/2006 | 24/09/2008 | Silver |
| MATERIAL STATE LIMITED | 04529904 | 20/11/2002 | 29/01/2003 | Dissolved |
| Mercury Multimedia Futures Ltd | 02913337 | 25/04/1994 | 27/09/1994 | Dissolved |
| Molecular Healthworks Ltd | 04125519 | 03/01/2001 | 13/06/2003 | Dissolved |
| Narnglen Ltd | 04364672 | 13/02/2002 | 17/04/2003 | Dissolved |
| OMNIBOX LIMITED | 02518385 | 04/07/1991 | 07/03/2011 | Dissolved |
| OMNIBOX LIMITED | 02518385 | 04/07/1991 | 07/03/2011 | Dissolved |
| PHOENIX SPORTS LIMITED | 03487652 | 08/01/1998 | 16/10/1998 | Bronze |
| PICTORIAL MEADOWS LIMITED | 04036626 | 21/02/2001 | 26/02/2004 | Amber |
| PLASSO TECHNOLOGY LIMITED | 04682514 | 28/02/2003 | 04/05/2007 | Dissolved |
| Proactus Ltd | 03916004 | 28/01/2000 | 29/08/2000 | Dissolved |
| SOUTH YORKSHIRE EDUCATION SERVICES LIMITED | 03184441 | 24/07/1996 | 18/01/2006 | Dissolved |
| SUEL LIMITED | 01816862 | 01/05/1993 | 19/10/2012 | Silver |
| SUPAPLANTS LIMITED | 02349897 | 25/06/2001 | 02/02/2004 | One Red Flag |
| Supagel Ltd | 02838545 | 26/07/2001 | 28/04/2005 | Dissolved |
| THE FLOOW LIMITED | 07968005 | 27/06/2013 | 27/09/2017 | One Red Flag |
| UNISHEFF PROPERTIES LIMITED | 02726021 | 23/10/2001 | 18/01/2006 | Dissolved |
| UNISHEFF PROPERTIES LIMITED | 02726021 | 24/09/1999 | 18/01/2006 | Dissolved |
| VULCAN SOLUTIONS LIMITED | 05151771 | 11/06/2004 | 03/09/2012 | Silver |
| VULCAN SOLUTIONS LIMITED | 05151771 | 04/06/2009 | 27/08/2012 | Silver |
| WEBELEMENTS LIMITED | 03895726 | 16/12/1999 | 20/06/2008 | Insolvent |
| WOHANKA AND ASSOCIATES LIMITED | 04113203 | 23/11/2000 | 11/04/2001 | Silver |