| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 00557167 LIMITED | 00557167 | 18/04/1992 | One Red Flag |
| B2B Evolution Ltd | 05671380 | 10/01/2006 | Dissolved |
| BLOCK STONE (UK) LIMITED | 05400299 | 21/03/2005 | Dissolved |
| Ceramex Facade Systems Ltd | 06886129 | 23/04/2009 | Dissolved |
| DAGWOOD LTD. | 03086493 | 01/08/1995 | Dissolved |
| PEAKMOOR STONE LTD | 10597303 | 02/02/2017 | Dissolved |
| PURPLE HOUSE DEVELOPMENTS LIMITED | 05677618 | 17/01/2006 | Dissolved |
| REALSTONE (HOLDINGS) LIMITED | 06594206 | 22/12/2009 | Dissolved |
| REALSTONE (SCOTLAND) LTD. | SC159490 | 01/08/1995 | Dissolved |
| REALSTONE (UK) LTD | 03647814 | 12/10/1998 | Dissolved |
| REALSTONE FACADES LIMITED | 06666787 | 07/08/2008 | Dissolved |
| Realstone Developments Ltd | 04898413 | 13/11/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BLOCK STONE LTD | 03088841 | 08/08/1995 | 20/07/2016 | Silver |
| Britstone Ltd | 03120826 | 13/12/1995 | 01/10/1999 | Dissolved |