| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CAPITOL WINDOW SYSTEMS LIMITED | 02256188 | 23/12/2002 | Dissolved |
| CRYSTAL CLEAR GROUP LIMITED | 06034544 | 01/12/2021 | Insolvent |
| Capitol Window Systems (Uk) Ltd | 05698780 | 13/02/2006 | Dissolved |
| Capitol Window Systems Holdings Ltd | 04117193 | 23/12/2002 | Dissolved |
| H. W. (P.V.C. Windows) Ltd | 01476365 | 09/03/2005 | Dissolved |
| ITW QS SERVICES LIMITED | 10197706 | 14/01/2018 | Dissolved |
| Marplace (Number 637) Ltd | 05213554 | 09/03/2005 | Dissolved |
| SOVEREIGN ALUMINIUM FRAMES LIMITED | 04941818 | 20/10/2023 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BUILDING PLASTICS HOLDINGS LIMITED | 05528974 | 22/11/2006 | 21/02/2008 | Not Trading |
| Bce Cellular Extrusions Ltd | 02181116 | 22/11/2006 | 21/02/2008 | Dissolved |
| Bce Cellular Extrusions Ltd | 02181116 | 22/11/2006 | 21/02/2008 | Dissolved |
| Comet Profiles Ltd | 02542340 | 22/11/2006 | 21/02/2008 | Dissolved |
| Comet Profiles Ltd | 02542340 | 22/11/2006 | 21/02/2008 | Dissolved |
| EXTRUDED PROFILES LIMITED | 01737934 | 22/11/2006 | 21/02/2008 | Not Trading |
| EXTRUDED PROFILES LIMITED | 01737934 | 22/11/2006 | 21/02/2008 | Not Trading |
| HW PLASTICS LIMITED | 00995976 | 22/11/2006 | 21/02/2008 | Dissolved |
| HW PLASTICS LIMITED | 00995976 | 22/11/2006 | 21/02/2008 | Dissolved |
| Hwbp Ltd | 03441998 | 22/11/2006 | 21/02/2008 | Dissolved |
| Hwbp Ltd | 03441998 | 22/11/2006 | 21/02/2008 | Dissolved |
| INDIGO PRODUCTS LIMITED | 03664736 | 03/08/2006 | 03/06/2008 | Dissolved |
| KESTREL BUILDING PRODUCTS LIMITED | 02647138 | 22/11/2006 | 21/02/2008 | Not Trading |
| KESTREL BUILDING PRODUCTS LIMITED | 02647138 | 22/11/2006 | 21/02/2008 | Not Trading |
| KESTREL-BCE LIMITED | 05600098 | 22/11/2006 | 03/06/2008 | Not Trading |
| KESTREL-BCE LIMITED | 05600098 | 22/11/2006 | 21/02/2008 | Not Trading |
| Kestrel Bce Building Products Ltd | 02068114 | 22/11/2006 | 21/02/2008 | Dissolved |
| Kestrel Bce Building Products Ltd | 02068114 | 22/11/2006 | 03/06/2008 | Dissolved |
| Kestrel Extruded Products Ltd | 03069880 | 22/11/2006 | 21/02/2008 | Dissolved |
| Kestrel Extruded Products Ltd | 03069880 | 22/11/2006 | 21/02/2008 | Dissolved |
| Kestrel Hb Ltd | 01035540 | 22/11/2006 | 21/02/2008 | Dissolved |
| Kestrel Hb Ltd | 01035540 | 22/11/2006 | 21/02/2008 | Dissolved |
| LEGAL ELITE LTD | 05633690 | 23/11/2005 | 05/08/2009 | Bronze |
| Microshape Ltd | 02115860 | 22/11/2006 | 21/02/2008 | Dissolved |
| Microshape Ltd | 02115860 | 22/11/2006 | 21/02/2008 | Dissolved |
| Roplasto Profile Systems Ltd | 06052743 | 15/01/2007 | 03/06/2008 | Dissolved |
| SOUND ACCORD LIMITED | 06902148 | 15/08/2009 | 01/10/2010 | Dissolved |
| SOUND ACCORD LIMITED | 06902148 | 15/08/2009 | 01/10/2010 | Dissolved |
| SPECTUS SYSTEMS (DORMANT) LIMITED | 02068119 | 22/11/2006 | 21/02/2008 | Not Trading |
| SPECTUS SYSTEMS (DORMANT) LIMITED | 02068119 | 22/11/2006 | 03/06/2008 | Not Trading |
| SPECTUS SYSTEMS LIMITED | 05599269 | 22/11/2006 | 21/02/2008 | Not Trading |
| SPECTUS-COMET LIMITED | 03441999 | 22/11/2006 | 21/02/2008 | Dissolved |
| SPECTUS-COMET LIMITED | 03441999 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus (U K) Ltd | 02068118 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus (U K) Ltd | 02068118 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Conservatories Ltd | 02261667 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Conservatories Ltd | 02261667 | 22/11/2006 | 03/06/2008 | Dissolved |
| Spectus Extrusions Ltd | 02067268 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Extrusions Ltd | 02067268 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Finance Ltd | 02067269 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Finance Ltd | 02067269 | 22/11/2006 | 03/06/2008 | Dissolved |
| Spectus Glass Ltd | 02067817 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Glass Ltd | 02067817 | 22/11/2006 | 03/06/2008 | Dissolved |
| Spectus Hardware Ltd | 02068115 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Hardware Ltd | 02068115 | 22/11/2006 | 03/06/2008 | Dissolved |
| Spectus Industries Ltd | 02068116 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Industries Ltd | 02068116 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Investments Ltd | 02068519 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Investments Ltd | 02068519 | 22/11/2006 | 03/06/2008 | Dissolved |
| Spectus Leasing Ltd | 02067270 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Leasing Ltd | 02067270 | 22/11/2006 | 03/06/2008 | Dissolved |
| Spectus Plastics Ltd | 01275440 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Plastics Ltd | 01275440 | 22/11/2006 | 03/06/2008 | Dissolved |
| Spectus Properties Ltd | 03486943 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Properties Ltd | 03486943 | 22/11/2006 | 03/06/2008 | Dissolved |
| Spectus U P V C Systems Ltd | 02068117 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus U P V C Systems Ltd | 02068117 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Window Systems Ltd | 02068113 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Window Systems Ltd | 02068113 | 22/11/2006 | 03/06/2008 | Dissolved |
| Spectus Windows (London) Ltd | 01526302 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Windows (London) Ltd | 01526302 | 22/11/2006 | 03/06/2008 | Dissolved |
| Spectus Windows Ltd | 02483766 | 22/11/2006 | 21/02/2008 | Dissolved |
| Spectus Windows Ltd | 02483766 | 22/11/2006 | 21/02/2008 | Dissolved |
| Styleware Fittings Ltd | 02186047 | 22/11/2006 | 21/02/2008 | Dissolved |
| Styleware Fittings Ltd | 02186047 | 22/11/2006 | 21/02/2008 | Dissolved |
| TRENTHAM LOGISTICS LIMITED | 05599268 | 22/11/2006 | 21/02/2008 | Not Trading |
| WINEP 63 LIMITED | 05599267 | 22/11/2006 | 21/02/2008 | Not Trading |
| WINEP 63 LIMITED | 05599267 | 22/11/2006 | 01/03/2009 | Not Trading |
| Worth Systems Ltd | 01903659 | 22/11/2006 | 21/02/2008 | Dissolved |
| Worth Systems Ltd | 01903659 | 22/11/2006 | 21/02/2008 | Dissolved |