| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AITCHEE ENGINEERING LIMITED | 05882888 | 25/08/2006 | 31/12/2017 | Bronze |
| BORDEAUX ACQUISITION LIMITED | 07510463 | 18/03/2011 | 31/12/2017 | Not Trading |
| COOLLED LIMITED | 07654232 | 17/02/2016 | 31/12/2017 | Silver |
| DEBEN UK LIMITED | 03208255 | 18/03/2011 | 31/12/2017 | Silver |
| DIA-STRON LIMITED | 02197540 | 31/03/2016 | 31/12/2017 | Silver |
| EM TECHNOLOGIES LIMITED | 05341418 | 09/06/2009 | 31/12/2017 | Not Trading |
| FIRE TESTING TECHNOLOGY LIMITED | 02387681 | 06/06/2005 | 31/12/2017 | Silver |
| FTT SCIENTIFIC LIMITED | 07478065 | 23/12/2010 | 31/12/2017 | Not Trading |
| GDS INSTRUMENTS LIMITED | 01646739 | 06/03/2012 | 31/12/2017 | Not Trading |
| GLOBAL DIGITAL SYSTEMS LIMITED | 01459108 | 06/03/2012 | 31/12/2017 | Silver |
| JUDGES CAPITAL LIMITED | 07003607 | 28/08/2009 | 31/12/2017 | Not Trading |
| JUDGES SCIENTIFIC PLC | 04597315 | 01/01/2009 | 31/12/2017 | Gold |
| POLARON INSTRUMENTS LIMITED | 04258603 | 11/09/2009 | 31/12/2017 | Not Trading |
| QUORUM TECHNOLOGIES LIMITED | 04273003 | 09/06/2009 | 31/12/2017 | Silver |
| SCIENTIFICA LTD | 03286415 | 26/06/2013 | 01/01/2019 | Silver |
| SIRCAL INSTRUMENTS (U.K.) LIMITED | 01592093 | 18/03/2010 | 31/12/2017 | Silver |
| UHV DESIGN LIMITED | 04133945 | 21/02/2006 | 31/12/2017 | Silver |