| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRAINYDYSLEXICS LIMITED | 08785908 | 21/11/2013 | Dissolved |
| INTERNATIONAL IT LIMITED | 08548348 | 29/05/2013 | Not Trading |
| INTERNATIONAL PUSH TO TALK LTD | 10531672 | 13/06/2017 | One Red Flag |
| PUSH TO TALK LIMITED | 02545184 | 19/10/2018 | Not Trading |
| SAMCOM RADIO LIMITED | 11491358 | 31/07/2018 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIRSYS COMMUNICATIONS TECHNOLOGY LIMITED | 02671582 | 19/05/2015 | 25/07/2016 | One Red Flag |
| AIRSYS CORPORATE TRUSTEE LIMITED | 09576224 | 06/05/2015 | 25/07/2016 | Dissolved |
| CODAN (UK) LIMITED | 01915340 | 16/04/2007 | 08/10/2010 | Strike Off |
| RADIO TECHNOLOGY HOLDINGS LIMITED | 03614689 | 22/05/2015 | 25/07/2016 | Silver |
| RATIO LIMITED | 09641779 | 14/07/2017 | 01/10/2018 | Bronze |
| SOURCING PLAYGROUND LIMITED | 10925192 | 06/01/2018 | 04/03/2020 | Amber |
| UNICOM (2015) LIMITED | 09518437 | 31/03/2015 | 25/07/2016 | Bronze |