| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DAVID BLAIR ASSOCIATES LIMITED | 06034707 | 20/12/2006 | Not Trading |
| DAVID BLAIR ASSOCIATES LIMITED | 06034707 | 20/12/2006 | Not Trading |
| DBA GROUP LIMITED | 04711801 | 26/03/2003 | Gold |
| DBA SECRETARIES LIMITED | 06067654 | 25/01/2007 | Gold |
| OXFORD & CAMBRIDGE CLUB HOSTEL LIMITED | 04125319 | 20/09/2021 | Not Trading |
| Prelude Technology Ii Ltd | 02126438 | 02/07/2001 | Dissolved |
| Prelude Technology Trustee Ltd | 01967170 | 02/07/2001 | Dissolved |
| Pvi General Partner Ltd | SC237276 | 21/11/2002 | Dissolved |
| SIMUGEN LIMITED | 05492287 | 27/06/2005 | Dissolved |
| STUDIUM VENTURES LIMITED | 06627453 | 28/07/2008 | Dissolved |
| THE SOLAR CLOTH COMPANY LTD | 08037271 | 02/07/2015 | Dissolved |
| THINKSERVE LLP | OC317479 | 27/01/2006 | Dissolved |
| WYVERN ASSET MANAGEMENT LTD | 06370546 | 24/01/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AMURA THERAPEUTICS LIMITED | 04046951 | 06/12/2000 | 24/09/2004 | Dissolved |
| ASPIRE CREATIVE LLP | OC310838 | 05/01/2005 | 30/08/2013 | Bronze |
| BASE STRUCTURES LTD. | 04336494 | 11/12/2015 | 29/04/2016 | Dissolved |
| BROADCOM EUROPE LIMITED | 04085571 | 20/03/2001 | 16/10/2003 | Bronze |
| CAMBRIDGE COGNITION HOLDINGS PLC | 08211361 | 13/02/2013 | 31/08/2013 | Amber |
| CAMBRIDGE COGNITION LIMITED | 04338746 | 04/06/2004 | 31/08/2013 | One Red Flag |
| CAMBRIDGE COGNITION TRUSTEES LIMITED | 04213437 | 09/04/2010 | 31/08/2013 | Gold |
| CAMBRIDGE DISCOVERY LIMITED | 03425102 | 23/11/1998 | 28/01/2000 | Dissolved |
| Ccl General Partner Ltd | 04595947 | 20/11/2002 | 26/02/2003 | Dissolved |
| DANBY SCIENTIFIC LIMITED | 05785965 | 19/04/2006 | 01/10/2007 | Amber |
| DANBY SCIENTIFIC LIMITED | 05785965 | 19/04/2006 | 01/10/2007 | Amber |
| ESPRIT CAPITAL MANAGEMENT LIMITED | 03286109 | 02/07/2001 | 01/01/2005 | Dissolved |
| LEIGHTON CONSULTING LIMITED | 06355858 | 30/08/2007 | 01/04/2009 | Dissolved |
| MAPWAY TECHNOLOGIES LIMITED | 04054923 | 28/06/2001 | 27/02/2008 | Gold |
| PRELUDE TRUST PLC | 03285603 | 16/08/2001 | 01/01/2005 | Dissolved |
| PSI SERVICES (UK) LIMITED | 03082717 | 18/06/2007 | 29/03/2008 | Amber |
| PSYOMICS LTD | 09470381 | 01/11/2017 | 01/12/2022 | Amber |
| Prelude Technology Ltd | 02068789 | 02/07/2001 | 01/01/2005 | Dissolved |
| SIMUGEN LIMITED | 05492287 | 27/06/2005 | 01/07/2010 | Dissolved |
| Steam Heritage Ltd | 03026794 | 30/06/1999 | 29/02/2000 | Dissolved |