| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Acqua Gratuita Ltd | 03752015 | 24/05/1999 | Dissolved |
| Boland Management Services Ltd | 03567107 | 19/05/1998 | Dissolved |
| Boland Management Services Ltd | 03567107 | 19/05/1998 | Dissolved |
| CRYSTAL GROUP LIMITED | 05552547 | 01/11/2016 | Silver |
| CRYSTAL HOME IMPROVEMENTS HOLDINGS LIMITED | 04982423 | 01/11/2016 | Bronze |
| CRYSTAL WINDOWS & DOORS LIMITED | 03086714 | 29/01/2001 | Gold |
| Ciao Ltd | 04234750 | 06/09/2001 | Dissolved |
| Ciao Ltd | 04234750 | 09/01/2003 | Dissolved |
| ELMHENGE LIMITED | 02128356 | 29/11/1991 | Silver |
| ELMHENGE LIMITED | 02128356 | 09/01/2003 | Silver |
| GLASSPRO LIMITED | 03206894 | 15/08/2002 | Dissolved |
| LINK INSTALLATIONS LIMITED | 11828508 | 15/02/2019 | Not Trading |
| V J Construction Ltd | 03926438 | 10/03/2000 | Dissolved |
| V J Construction Ltd | 03926438 | 09/01/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CRYSTAL GROUP LIMITED | 05552547 | 21/09/2005 | 01/11/2016 | Silver |
| CRYSTAL HOME IMPROVEMENTS GROUP LIMITED | 04367619 | 16/07/2002 | 01/11/2016 | Silver |
| CRYSTAL HOME IMPROVEMENTS HOLDINGS LIMITED | 04982423 | 12/12/2003 | 01/11/2016 | Bronze |
| CRYSTAL WINDOWS & DOORS LIMITED | 03086714 | 29/01/2001 | 01/11/2016 | Gold |
| Weatherstorm Windows & Doors Ltd | 03511450 | 30/03/1998 | 23/07/2002 | Dissolved |