| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BIOMER TECHNOLOGY LTD | 04646904 | 30/01/2003 | Silver |
| GLADSTONE PARTNERS LIMITED | 04352167 | 14/01/2002 | Not Trading |
| PHARMINOX LIMITED | 04345812 | 01/01/2010 | Strike Off |
| Pegasus Therapeutics Ltd | 05001687 | 22/12/2003 | Dissolved |
| ROSSCARD LEISURE LIMITED | 09436315 | 12/02/2015 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALLERGY THERAPEUTICS (HOLDINGS) LIMITED | 03565290 | 01/01/2001 | 30/09/2002 | Silver |
| ALLERGY THERAPEUTICS (UK) LIMITED | 03489885 | 01/01/2001 | 30/09/2002 | Amber |
| ANDARIS (DDS) LIMITED | 03114142 | 11/11/1998 | 15/12/2000 | Dissolved |
| ANDARIS GROUP LIMITED | 03401800 | 11/11/1998 | 15/12/2000 | Dissolved |
| ANGLE PLC | 04985171 | 05/02/2004 | 31/03/2006 | Amber |
| Assessment Group International Ltd | 04436988 | 30/01/2003 | 30/01/2003 | Dissolved |
| BIOINDUSTRY ASSOCIATION | 01889626 | 26/02/1992 | 02/11/1992 | Bronze |
| BREAST CANCER HAVEN | 03291851 | 17/11/2005 | 19/02/2011 | Insolvent |
| CELLTECH GROUP LIMITED | 02159282 | 27/06/1991 | 31/10/1995 | Gold |
| CELLTECH R&D LIMITED | 01472269 | 27/06/1991 | 31/10/1995 | Gold |
| DCBA321 Services Ltd | 04529582 | 01/07/2003 | 28/08/2003 | Dissolved |
| E-THERAPEUTICS PLC | 04304473 | 06/01/2016 | 10/02/2020 | Amber |
| EDEN BIOPHARM LIMITED | 04014608 | 15/06/2003 | 05/07/2007 | Dissolved |
| EDEN BIOPHARMA GROUP LIMITED | 04715370 | 29/09/2003 | 05/07/2007 | Dissolved |
| FACTOR THERAPEUTICS EUROPE LIMITED | 07920650 | 02/07/2012 | 17/09/2015 | Dissolved |
| FERRING VENTURES LTD | 03351628 | 01/08/2012 | 15/03/2013 | Gold |
| FIRSTAFRICA OIL LIMITED | 04006418 | 26/04/2004 | 19/08/2004 | Dissolved |
| INPRINT SYSTEMS LIMITED | 03650238 | 10/04/2001 | 03/04/2002 | Gold |
| LONDON BOOKMAKERS LTD | 04561267 | 30/01/2003 | 30/01/2003 | Dissolved |
| LONZA BIOLOGICS INTERNATIONAL LIMITED | 02768318 | 26/02/1993 | 31/10/1995 | Dissolved |
| LONZA BIOLOGICS PLC | 02742471 | 25/08/1992 | 31/10/1995 | Gold |
| MICROSHOT LIMITED | 03040935 | 11/11/1998 | 15/12/2000 | Dissolved |
| OZONE INDUSTRIES LIMITED | 02973246 | 28/02/2005 | 20/05/2005 | Bronze |
| POWERSTAX LTD | 02688692 | 14/05/1997 | 21/08/2013 | Bronze |
| PREMIER VETERINARY GROUP PLC | 04313987 | 09/09/2010 | 16/10/2017 | Amber |
| PROCOGNIA LIMITED | 04398973 | 09/09/2004 | 29/09/2005 | Dissolved |
| PROTOSOME LIMITED | 03055579 | 11/11/1998 | 15/12/2000 | Dissolved |
| QDOSE LIMITED | 03860939 | 17/11/1999 | 17/11/1999 | Dissolved |
| QUADRANT BIORESOURCES LIMITED | 01956520 | 04/12/1995 | 15/12/2000 | Dissolved |
| QUADRANT HEALTHCARE (UK) LIMITED | 02369749 | 02/10/1995 | 15/12/2000 | Dissolved |
| QUADRANT HEALTHCARE LIMITED | 03033648 | 19/02/1996 | 15/12/2000 | Dissolved |
| QUADRANT HOLDINGS CAMBRIDGE LIMITED | 02920373 | 11/11/1998 | 15/12/2000 | Dissolved |
| QUADRANT TRUSTEE LIMITED | 02992302 | 17/11/1995 | 15/12/2000 | Dissolved |
| SILENCE THERAPEUTICS (LONDON) LIMITED | 02757200 | 02/08/2005 | 25/02/2010 | Silver |
| SILENCE THERAPEUTICS PLC | 02992058 | 07/01/2003 | 04/03/2003 | Amber |
| SMARTSPACE SOFTWARE LIMITED | 05332126 | 05/02/2013 | 10/07/2014 | Amber |
| TRADING HAVEN LIMITED | 03417875 | 08/07/2010 | 19/02/2011 | Dissolved |
| Transmond Ltd | 04563977 | 30/01/2003 | 30/01/2003 | Dissolved |
| ULIVE LIMITED | 06163728 | 11/05/2007 | 24/07/2007 | Dissolved |
| YELLOWCROSS LIMITED | 03866240 | 01/08/2008 | 17/04/2019 | Dissolved |