| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DERBY WEST PROPERTY LIMITED | 11804506 | 04/02/2019 | Silver |
| DERBYSHIRE BROADBAND LIMITED | 11940340 | 11/04/2019 | Dissolved |
| DERBYSHIRE WILDLIFE PROPERTIES LIMITED | 06220875 | 20/04/2007 | Dissolved |
| EUROCOM DEVELOPMENTS LTD | 01574696 | 04/05/1991 | Dissolved |
| EUROCOM ENTERTAINMENT SOFTWARE LIMITED | 05269691 | 17/11/2004 | Dissolved |
| EUROCOM HOLDINGS LIMITED | 04113545 | 16/02/2001 | Dissolved |
| EUROCOMM LIMITED | 02131487 | 04/05/1991 | Dissolved |
| FONTEK LIMITED | 01891606 | 04/05/1991 | Dissolved |
| GW 1216 LIMITED | 05269685 | 17/11/2004 | Dissolved |
| Gavco 236 Ltd | 04142819 | 16/02/2001 | Dissolved |
| Gavco 236 Ltd | 04142819 | 16/02/2001 | Dissolved |
| JUSTCOM DISTRIBUTION LIMITED | 10464124 | 04/11/2016 | Silver |
| Lowe Computers Limited | 01661569 | 31/12/1991 | Dissolved |
| PMR ONLINE LIMITED | 04333115 | 03/12/2001 | Dissolved |
| PROJECT CHAR 1 LIMITED | 10179083 | 13/05/2016 | Dissolved |
| PROJECT CHAR 2 LIMITED | 08408381 | 19/02/2013 | Dissolved |
| Rutland Communication Factors Limited | 01218525 | 30/11/1991 | Dissolved |
| ZYCALL LIMITED | 01564888 | 04/05/1991 | Dissolved |
| ZYCOMM 2 WAY RADIO (SOUTH WEST) LIMITED | 01917748 | 04/05/1991 | Dissolved |
| ZYCOMM HOLDINGS LIMITED | 04113542 | 16/02/2001 | Silver |
| ZYCTEL LIMITED | 02016073 | 04/05/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Lowe Communications Ltd | 01305254 | 30/11/1991 | 01/05/1995 | Dissolved |
| MOBILE GAMING STUDIOS LIMITED | 08324771 | 10/12/2012 | 02/12/2016 | Bronze |
| MOORLAND AERIAL SITES LIMITED | 11804529 | 04/02/2019 | 31/01/2020 | Not Trading |
| Rutland Communication Factors Limited | 01218525 | 30/11/1991 | 31/01/1995 | Dissolved |
| W3Z BROADBAND LIMITED | 07136942 | 26/01/2010 | 22/12/2020 | Gold |
| ZYCOMM ELECTRONICS LIMITED | 01412033 | 04/05/1991 | 22/12/2020 | Silver |