| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DSF LAW AND MEDIATION LIMITED | 08721712 | 07/10/2013 | Silver |
| FIBRECITY ANGLIAN LTD. | 06540648 | 02/09/2009 | Dissolved |
| FIBRECITY DUNDEE LTD | 06585853 | 02/09/2009 | Dissolved |
| FIBRECITY NORTHAMPTON LTD | 06585894 | 02/09/2009 | Dissolved |
| H20 NETWORKS LTD | 04896797 | 02/09/2009 | Dissolved |
| THALES OPTICAL IMAGING LIMITED | 00036219 | 01/05/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARTEMIS OPTICAL LIMITED | 00514290 | 01/05/2003 | 06/05/2008 | Bronze |
| CITYFIBRE METRO NETWORKS LIMITED | 06586002 | 02/09/2009 | 28/02/2013 | Amber |
| CROFTSIDE TENNIS CLUB LIMITED | 09907993 | 08/12/2015 | 13/05/2019 | Silver |
| EARLESTOWN TECHNOLOGY LIMITED | 06587286 | 02/09/2009 | 13/01/2011 | Dissolved |
| FIBRE ASSOCIATES LTD | 04444941 | 02/09/2009 | 13/01/2011 | Dissolved |
| FIBRECITY BOURNEMOUTH LTD | 06585858 | 02/09/2009 | 28/02/2013 | Amber |
| FIBRECITY HOLDINGS LTD | 06586083 | 02/09/2009 | 28/02/2013 | Strike Off |
| GIGLER LIMITED | 06555306 | 02/09/2009 | 28/02/2013 | Dissolved |
| H20 ENGINEERING LIMITED | 06732485 | 02/09/2009 | 13/01/2011 | Dissolved |
| H20 SUPPORT SERVICES LIMITED | 05671491 | 02/09/2009 | 13/01/2011 | Dissolved |
| I3 INTERNATIONAL LIMITED | 06586976 | 02/09/2009 | 13/01/2011 | Dissolved |
| LIFECENTRE EVENTS LIMITED | 08196649 | 22/05/2017 | 21/09/2020 | Bronze |
| LIFECHURCH MANCHESTER | 05392860 | 18/05/2011 | 16/11/2020 | Silver |
| QIOPTIQ EUROPE LIMITED | 02696054 | 21/12/2005 | 06/05/2008 | Dissolved |
| QIOPTIQ LIMITED | 00876004 | 01/04/2003 | 06/05/2008 | Bronze |
| QIOPTIQ UK HOLDINGS LTD | 05612156 | 03/11/2005 | 06/05/2008 | One Red Flag |
| RENO (MORAY) LIMITED | 04141423 | 07/03/2001 | 28/06/2002 | Amber |
| SCARWEATHER SANDS LIMITED | 04271879 | 20/09/2001 | 28/06/2002 | Dissolved |
| UNITED UTILITIES (OVERSEAS HOLDINGS) LIMITED | 02536732 | 07/01/2002 | 28/06/2002 | Not Trading |
| UNITED UTILITIES INTERNATIONAL LIMITED | 02344587 | 07/01/2002 | 28/06/2002 | Gold |
| UNITED UTILITIES OPERATIONAL SERVICES LIMITED | 04184686 | 27/03/2001 | 28/06/2002 | Dissolved |
| UNITED UTILITIES UTILITY SOLUTIONS (INDUSTRIAL) LIMITED | 04204293 | 30/05/2001 | 28/06/2002 | Silver |
| VEOLIA WATER OPERATIONAL SERVICES (HIGHLAND) LIMITED | 02850328 | 15/10/2001 | 28/06/2002 | Gold |
| VEOLIA WATER OPERATIONAL SERVICES (MORAY) LIMITED | 04146446 | 07/03/2001 | 28/06/2002 | Silver |
| VEOLIA WATER OPERATIONAL SERVICES (TAY) LIMITED | 03354180 | 15/10/2001 | 28/06/2002 | Silver |
| Zenco (No 6) Ltd | 02907998 | 01/01/1997 | 16/10/2000 | Dissolved |