| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Document Management Solutions Ltd | 02875571 | 09/09/1996 | Dissolved |
| HELLIDON GROUP LTD | 05278506 | 04/11/2004 | Bronze |
| HELLIDON SOLUTIONS LIMITED | 05274607 | 01/11/2004 | Silver |
| HIDDEN ENERGY LIMITED | 05261562 | 01/11/2004 | Dissolved |
| Hellidon Trading Ltd | 05274598 | 01/11/2004 | Dissolved |
| Hidden Home Automation Ltd | 05605019 | 27/10/2005 | Dissolved |
| Intuitive Software Services Ltd | 02726374 | 09/10/1992 | Dissolved |
| Speed 5619 Ltd | 02715832 | 19/05/1992 | Dissolved |
| TDCI LIMITED | 02860182 | 02/09/2017 | Bronze |
| THE COTTESMORE BUSINESS PARK MANAGEMENT COMPANY LIMITED | 05297499 | 31/07/2015 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DESIGN RULE LIMITED | 02715857 | 25/09/1995 | 21/11/1997 | Silver |
| ECODRYENERGY LIMITED | 09075900 | 09/06/2014 | 16/07/2019 | Silver |
| TDCI LIMITED | 02860182 | 01/11/2006 | 01/11/2008 | Bronze |
| TDCI LIMITED | 02860182 | 23/10/1998 | 01/10/2005 | Bronze |