| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ADVANCED ELECTRONIC TECHNOLOGIES LTD. | 02405910 | 08/08/2007 | Dissolved |
| AGAR SCIENTIFIC LIMITED | 01601520 | 23/10/2012 | Dissolved |
| ARCOLECTRIC 59 LIMITED | 05058006 | 01/12/2009 | Dissolved |
| ARCOLECTRIC 61 LIMITED | 05058011 | 01/12/2009 | Dissolved |
| ARCOLECTRIC LIMITED | 06336630 | 01/12/2009 | Dissolved |
| BIDEAWHILE 692 LIMITED | 07927430 | 02/08/2012 | Dissolved |
| BULGIN COMPONENTS LIMITED | 02895884 | 25/11/2011 | Dissolved |
| BULGIN ENTERPRISES LIMITED | 09869504 | 12/11/2015 | Dissolved |
| Bransdale Estates Limited | 02068738 | 31/10/1991 | Dissolved |
| CHECKIT PLC | 00448274 | 02/02/2004 | Amber |
| CHECKIT TECHNOLOGY LIMITED | 09363401 | 27/11/2015 | Dissolved |
| CROSS TECHNOLOGIES LIMITED | 03910212 | 11/10/2013 | Dissolved |
| Carnation Designs Ltd | 03076362 | 23/10/2012 | Dissolved |
| Cirkit Holdings Ltd | 00564058 | 02/02/2006 | Dissolved |
| DIGITRON INSTRUMENTATION LIMITED | 01240433 | 08/08/2007 | Dissolved |
| ELEKTRON INSTRUMENTS LIMITED | 03867918 | 08/08/2007 | Dissolved |
| ELEKTRON IP LIMITED | 06769819 | 29/10/2009 | Dissolved |
| ELEKTRON LIMITED | 05057988 | 01/12/2009 | Dissolved |
| ELEKTRON TRUSTEES LIMITED | 04889051 | 01/12/2009 | Dissolved |
| FD FINANCIAL SOLUTIONS LTD | 05242229 | 27/09/2004 | Dissolved |
| FIRM DIRECTION LIMITED | 07024492 | 21/09/2009 | Dissolved |
| FIRM DIRECTION LIMITED | 07024492 | 21/09/2009 | Dissolved |
| HARTEST INSTRUMENTATION LIMITED | 02855806 | 23/10/2012 | Dissolved |
| HOWLE HOLDINGS LIMITED | 01310502 | 23/10/2012 | Dissolved |
| PENYARD INDUSTRIES LIMITED | 02281291 | 23/10/2012 | Dissolved |
| PHOENIX RISING FROM THE ASHES LIMITED | 02092780 | 23/10/2012 | Dissolved |
| PRO CORDA TRUST | 05829570 | 25/05/2022 | One Red Flag |
| QADOS LIMITED | 03698481 | 23/10/2012 | Dissolved |
| QADOS MEDICAL SERVICES LIMITED | 02595671 | 23/10/2012 | Dissolved |
| QUEENSGATE INSTRUMENTS LIMITED | 04232853 | 08/08/2007 | Dissolved |
| SHEEN INSTRUMENTS LIMITED | 02124700 | 23/10/2012 | Dissolved |
| SMETHURST HIGH-LIGHT LIMITED | 00325887 | 23/10/2012 | Dissolved |
| SPECIALIST HOLDINGS LIMITED | 02001196 | 31/10/1991 | Dissolved |
| WALLACE INSTRUMENTS LIMITED | 04406169 | 23/10/2012 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AGAR SCIENTIFIC LIMITED | 09897580 | 01/12/2015 | 20/05/2016 | Amber |
| BULGIN CONNECTORS LIMITED | 10484402 | 17/11/2016 | 31/01/2019 | Dissolved |
| BULGIN LIMITED | 04949934 | 23/10/2012 | 31/01/2019 | Silver |
| CHECKIT EUROPE LIMITED | 09343487 | 08/04/2015 | 07/10/2021 | Amber |
| CHECKIT UK LIMITED | 02540171 | 14/05/2019 | 07/10/2021 | Silver |
| ELEKTRON ENTERPRISES 1 LIMITED | 04298901 | 27/03/2014 | 31/01/2019 | Dissolved |
| ELEKTRON EYE TECHNOLOGY LIMITED | 10296364 | 11/02/2020 | 07/10/2021 | Dissolved |
| ELEKTRON IP LIMITED | 10278334 | 14/07/2016 | 31/01/2019 | Dissolved |
| ELEKTRON PRECISION INSTRUMENTS LIMITED | 09385219 | 12/01/2015 | 31/01/2019 | Dissolved |
| Inhoco 3013 Ltd | 04956642 | 17/12/2003 | 06/01/2004 | Dissolved |
| Inhoco 3013 Ltd | 04956642 | 17/12/2003 | 06/01/2004 | Dissolved |
| MEC MEDICAL LIMITED | 05095440 | 05/04/2004 | 13/01/2010 | Bronze |
| MEC MEDICAL LIMITED | 05095440 | 13/05/2004 | 22/08/2012 | Bronze |
| MUNRO INSTRUMENTS LIMITED | 06965050 | 17/07/2009 | 18/06/2019 | Gold |
| PRO CORDA TRUST | 05829570 | 26/05/2006 | 10/02/2011 | One Red Flag |
| PRO CORDA VENTURES LIMITED | 02868983 | 28/11/2000 | 15/03/2010 | One Red Flag |
| SHEEN INSTRUMENTS LIMITED | 09996624 | 09/02/2016 | 20/10/2017 | Dissolved |
| TITMAN TIP TOOLS LIMITED | 01148083 | 11/10/2013 | 27/07/2017 | Gold |
| TOTAL CARBIDE LTD | 02427937 | 07/01/2013 | 12/06/2013 | One Red Flag |
| Torus Investment Managers Ltd | 04902856 | 17/09/2003 | 01/09/2005 | Dissolved |
| Torus Investment Managers Ltd | 04902856 | 17/09/2003 | 31/05/2005 | Dissolved |