| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| PENROSE PROPERTY & INVESTMENTS LTD | NI060101 | 10/07/2006 | Not Trading |
| PENROSE PROPERTY & INVESTMENTS LTD | NI060101 | 10/07/2006 | Not Trading |
| PENROSE ROOFING 2014 LTD | NI623233 | 05/03/2014 | Gold |
| PENROSE ROOFING LIMITED | NI025247 | 05/02/1991 | Dissolved |
| PENROSE ROOFING LIMITED | NI025247 | 05/02/1991 | Dissolved |
| ROOF TRAINING (NI) LTD | NI072994 | 24/06/2009 | One Red Flag |
| SKILLBUILD NI LTD | NI044356 | 26/04/2004 | Dissolved |
| SLATE SALES IRELAND LTD | NI041158 | 07/07/2001 | Amber |
| SLATE SALES IRELAND LTD | NI041158 | 28/08/2001 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| COMPETENTROOFER LIMITED | 05704588 | 01/02/2014 | 03/10/2019 | Bronze |
| NFRC COMMERCIAL LIMITED | 02608182 | 21/05/1992 | 18/04/2013 | One Red Flag |
| ROOFCERT LIMITED | 02593905 | 21/05/1992 | 01/02/2014 | One Red Flag |
| THE NATIONAL FEDERATION OF ROOFING CONTRACTORS LIMITED | 02591364 | 21/05/1992 | 06/08/2020 | Silver |