| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CU-PLAS KENNEDY LIMITED | 03094283 | 23/08/1995 | Dissolved |
| CU-PLAS PROPERTY COMPANY LIMITED | 04254527 | 18/07/2001 | Dissolved |
| Ggl Property Ltd | 05563022 | 09/07/2007 | Dissolved |
| H.E. SIMM ELECTRICAL LIMITED | 05337437 | 19/01/2005 | Dissolved |
| Harmer Services Ltd | 01946136 | 04/05/1991 | Dissolved |
| TEKNIKAL DESIGN SOLUTIONS LIMITED | 05150775 | 10/06/2004 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CLADDING AND FASCIA SUPPLIES LIMITED | 02490605 | 03/04/1992 | 09/04/1997 | Dissolved |
| CU-PLAS SUPPLIES LIMITED | 01572632 | 22/02/1991 | 20/03/2019 | One Red Flag |
| Cheiron - A Quiet Place Ltd | 03936022 | 29/02/2000 | 19/12/2001 | Dissolved |
| GAWNE & ROBERTS (CONSTRUCTION) LIMITED | 01143276 | 01/08/1992 | 07/06/1999 | Dissolved |
| H.E. SIMM & SON LIMITED | 00310690 | 20/11/1991 | 03/05/2019 | One Red Flag |
| HES PROPERTY COMPANY LIMITED | 04254526 | 18/07/2001 | 31/12/2023 | Bronze |
| HESIS LIMITED | 06250859 | 17/05/2007 | 01/08/2008 | One Red Flag |