| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CRYSTAL PROPERTIES & INVESTMENTS LTD | 06487898 | 29/01/2008 | Bronze |
| CRYSTAL PROPERTIES & INVESTMENTS LTD | 06487898 | 29/01/2008 | Bronze |
| CRYSTALCARE FACILITIES SERVICES LIMITED | 01812016 | 15/02/1999 | Bronze |
| CRYSTALCARE FACILITIES SERVICES LIMITED | 01812016 | 31/03/2000 | Bronze |
| Crystal Environmental Services Ltd | 03126213 | 15/02/1999 | Dissolved |
| Crystal Environmental Services Ltd | 03126213 | 31/03/2000 | Dissolved |
| Crystal Group Ltd | 02242908 | 15/02/1999 | Dissolved |
| Crystal Group Ltd | 02242908 | 31/03/2000 | Dissolved |
| Crystal Security Services Ltd | 02198622 | 15/02/1999 | Dissolved |
| Crystal Security Services Ltd | 02198622 | 31/03/2000 | Dissolved |
| Sews Ltd | 02894551 | 03/02/1994 | Dissolved |
| South Eastern Engineering Services Plc | 02699327 | 13/09/1993 | Dissolved |
| South Eastern Fire & Security Ltd | 02699328 | 13/09/1993 | Dissolved |
| South Eastern Glazing Ltd | 02799605 | 21/02/1994 | Dissolved |
| South Eastern Holdings Plc | 03173369 | 11/03/1996 | Dissolved |
| South Eastern Signs Ltd | 02699330 | 13/09/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CRYSTAL WASHROOMS LIMITED | 06237978 | 04/05/2007 | 30/06/2021 | Dissolved |
| CRYSTAL WASHROOMS LIMITED | 06237978 | 04/05/2007 | 30/06/2021 | Dissolved |
| CRYSTALKIL LIMITED | 13631774 | 20/09/2021 | 30/05/2024 | Silver |
| FOWLER ROAD PLC | 02699841 | 13/09/1993 | 28/01/1999 | Dissolved |
| LOUGHTON BUSINESS CENTRE MANAGEMENT COMPANY LIMITED | 05998995 | 14/08/2009 | 26/11/2021 | Bronze |
| North Eastern Electrical Plc | 02699329 | 13/09/1993 | 24/02/1995 | Dissolved |
| SOUTH EASTERN ELECTRICAL PLC | 01579718 | 13/09/1993 | 28/01/1999 | Insolvent |