| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DISTRICT COMMUNICATIONS LIMITED | 02538583 | 12/06/2006 | Dissolved |
| DISTRICT MAINTENANCE LIMITED | 02876032 | 12/06/2006 | Dissolved |
| DISTRICT NETWORK SERVICES LIMITED | 03699722 | 12/06/2006 | Dissolved |
| HI-TECH NETWORK SOLUTIONS LIMITED | 03752272 | 12/06/2006 | Dissolved |
| MAINTEL LONDON LIMITED | 03142576 | 22/01/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DENARA HOLDINGS LIMITED | 04822804 | 10/01/2014 | 11/11/2016 | Amber |
| DENARA TECHNOLOGIES LIMITED | 04822803 | 10/01/2014 | 11/11/2016 | Dissolved |
| DISTRICT HOLDINGS LIMITED | 02651014 | 12/06/2006 | 04/10/2019 | Dissolved |
| MAINTEL FINANCE LIMITED | 03744201 | 01/04/1999 | 04/10/2019 | Dissolved |
| MAINTEL HOLDINGS PLC | 03181729 | 07/06/1996 | 11/12/2020 | Amber |
| MAINTEL MOBILE LIMITED | 05644966 | 21/10/2011 | 04/10/2019 | Dissolved |
| MAINTEL VOICE AND DATA LIMITED | 03893515 | 16/12/1999 | 04/10/2019 | Dissolved |
| NASSTAR SERVICES LIMITED | 05623736 | 06/03/2013 | 11/11/2016 | Bronze |
| NASSTAR TRADING LIMITED | 03883933 | 10/01/2014 | 11/11/2016 | Amber |