| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BALD (UK) LIMITED | 01653526 | 06/11/2007 | Dissolved |
| CELCON BUILDING MATERIALS LIMITED | 01666554 | 06/11/2007 | Dissolved |
| CELCON PRODUCTS LIMITED | 01767145 | 06/11/2007 | Dissolved |
| CONTROLOGY PRODUCTS LIMITED | 02069935 | 06/11/2007 | Dissolved |
| ELREMCO PRODUCTS LIMITED | 02098747 | 06/11/2007 | Dissolved |
| ESSEX ELECTRONICS LIMITED | 02071739 | 06/11/2007 | Dissolved |
| FORTIS IBA HOLDCO LIMITED | 11766288 | 14/08/2023 | Bronze |
| H+H CELCON MONEY PURCHASE SCHEME TRUSTEE LIMITED | 02998597 | 06/11/2007 | Dissolved |
| KAYPLAN WINDOWS LIMITED | 01650304 | 06/11/2007 | Dissolved |
| KINGSWAY GROUP EXECUTIVE SHARE SCHEME TRUSTEE COMPANY LIMITED | 02627810 | 06/11/2007 | Dissolved |
| KINGSWAY TECHNOLOGY LIMITED | 02142898 | 06/11/2007 | Dissolved |
| KINGSWAY VENTURES LIMITED | 01994687 | 06/11/2007 | Dissolved |
| MOTORSPAN LIMITED | 03998071 | 24/07/2000 | Gold |
| NEW HORIZON FURNITURE LIMITED | 01201885 | 06/11/2007 | Dissolved |
| NEW HORIZON WINDOWS LIMITED | 01828704 | 06/11/2007 | Dissolved |
| NICHOLLS & CLARKE LIMITED | 00066664 | 01/05/2023 | Silver |
| RYARSH BRICK & SAND PUBLIC LIMITED COMPANY | 00637557 | 06/11/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIRCRETE LIMITED | 02121050 | 20/01/2009 | 12/05/2016 | Gold |
| AIRCRETE PRODUCTS ASSOCIATION LTD | 01558038 | 20/01/2009 | 12/05/2016 | Gold |
| CELCON BLOCKS LIMITED | 01821058 | 06/11/2007 | 15/04/2016 | Not Trading |
| CELCON LIMITED | 00873987 | 06/11/2007 | 15/04/2016 | Not Trading |
| COLT GROUP LIMITED | 00905918 | 18/04/2016 | 31/12/2020 | Amber |
| COLT INTERNATIONAL HOLDINGS LIMITED | 01917964 | 10/05/2016 | 31/12/2020 | Silver |
| COLT INTERNATIONAL LIMITED | 01222993 | 10/05/2016 | 31/12/2020 | Gold |
| H+H CELCON LIMITED | 00532402 | 06/11/2007 | 15/04/2016 | Not Trading |
| H+H UK HOLDINGS LIMITED | 04112695 | 06/11/2007 | 15/04/2016 | Gold |
| H+H UK LIMITED | 00247647 | 06/11/2007 | 15/04/2016 | Silver |
| KINGSWAY BUILDING MATERIALS LIMITED | 01401929 | 06/11/2007 | 14/06/2018 | Strike Off |
| KWAY HOLDINGS LIMITED | 04117368 | 06/11/2007 | 11/07/2011 | Amber |
| LINCOLN PROPERTIES LIMITED | 02005712 | 06/11/2007 | 15/04/2016 | Not Trading |
| MOTORSPAN LIMITED | 03998071 | 24/07/2000 | 05/06/2002 | Gold |
| RYARSH BRICK LIMITED | 00360354 | 06/11/2007 | 27/03/2017 | Strike Off |
| SHERBURN FURNITURE COMPANY LIMITED | 01329608 | 06/11/2007 | 15/04/2016 | Strike Off |
| THE BSS GROUP LIMITED | 00060987 | 12/11/1998 | 16/05/2000 | Gold |
| TROLDTEKT LIMITED | 00257636 | 10/05/2016 | 31/12/2020 | Gold |