| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AQUIS EXCHANGE PLC | 07909192 | 16/09/2021 | Gold |
| EMA EBT LIMITED | 07526927 | 11/02/2011 | Dissolved |
| GLENN COLLINSON CONSULTING LIMITED | 06777161 | 19/12/2008 | Dissolved |
| MICROEMISSIVE DISPLAYS GROUP PLC | SC272069 | 07/04/2008 | Dissolved |
| PURELIFI LIMITED | SC394047 | 01/02/2020 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AQUIS EXCHANGE PLC | 07909192 | 07/01/2019 | 07/04/2020 | Gold |
| AQUIS STOCK EXCHANGE LIMITED | 04309969 | 11/03/2020 | 16/09/2021 | Gold |
| BLU WIRELESS TECHNOLOGY LIMITED | 06855929 | 15/10/2013 | 14/02/2017 | One Red Flag |
| CIRRUS LOGIC INTERNATIONAL (UK) LTD | SC089839 | 01/09/2008 | 21/08/2014 | Gold |
| CSR LIMITED | 04187346 | 31/05/2001 | 02/05/2007 | Silver |
| FIREANGEL SAFETY TECHNOLOGY GROUP PLC | 03991353 | 01/08/2020 | 14/04/2022 | One Red Flag |
| HUAWEI TECHNOLOGIES RESEARCH & DEVELOPMENT (UK) LIMITED | 07371283 | 04/07/2011 | 26/06/2013 | Gold |
| QUALCOMM TECHNOLOGIES INTERNATIONAL, LTD. | 03665875 | 11/11/1998 | 02/05/2007 | Silver |
| RECIVA LIMITED | 04120226 | 19/08/2005 | 02/05/2007 | Dissolved |
| SDL LIMITED | 02675207 | 01/06/2014 | 04/11/2020 | One Red Flag |
| SONAPTIC LIMITED | 04557143 | 19/04/2005 | 23/07/2007 | Dissolved |
| UBINETICS (VPT) LIMITED | 05507344 | 19/08/2005 | 02/05/2007 | One Red Flag |
| UBINETICS 3G LIMITED | 04633504 | 19/08/2005 | 02/05/2007 | Dissolved |
| UBINETICS DESIGNS LIMITED | 04633254 | 19/06/2005 | 02/05/2007 | Dissolved |
| UBINETICS MODULE LIMITED | 04633253 | 19/08/2005 | 02/05/2007 | Dissolved |
| UBINETICS TECHNOLOGY LIMITED | 04633503 | 19/08/2005 | 02/05/2007 | Dissolved |