| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Keydata Technology Partnership 1 Llp | OC305681 | 25/03/2004 | Dissolved |
| Peninsula Slate Co Ltd | 04333102 | 03/12/2001 | Dissolved |
| SKYLINE ROOFING CENTRES (BEDFORD) LIMITED | 06822102 | 17/02/2009 | Gold |
| SKYLINE ROOFING CENTRES (LB) LIMITED | 04757460 | 08/05/2003 | Gold |
| SKYLINE ROOFING CENTRES MANAGEMENT COMPANY LIMITED | 04757462 | 08/05/2003 | Gold |
| SKYLINE ROOFING GROUP LIMITED | 05334548 | 17/01/2005 | Gold |
| SKYLINE ROOFING PROPERTY MANAGEMENT COMPANY LIMITED | 04756782 | 08/05/2003 | One Red Flag |
| TRADITIONAL ROOFING PRODUCTS LIMITED | 03914400 | 27/01/2000 | Not Trading |
| WATERSIDE TRADING CENTRE MANAGEMENT COMPANY LIMITED | 02384290 | 21/01/1998 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CLAREMONT HOMES LIMITED | 01914671 | 30/06/1991 | 29/06/2000 | Dissolved |
| COMPETENTROOFER LIMITED | 05704588 | 01/02/2014 | 03/10/2019 | Bronze |
| Mgs Design & Build Ltd | 03238022 | 19/03/1997 | 01/07/1998 | Dissolved |
| Plsl 249 Ltd | 02970923 | 22/04/1998 | 29/06/2000 | Dissolved |
| Plsl 249 Ltd | 02970923 | 22/04/1998 | 29/06/2000 | Dissolved |
| SKYLINE ROOFING (KINGSTON) LIMITED | 01515511 | 31/05/1991 | 01/07/2016 | Silver |
| THE NATIONAL FEDERATION OF ROOFING CONTRACTORS LIMITED | 02591364 | 29/04/2005 | 13/09/2022 | Silver |
| TRADITIONAL ROOFING PRODUCTS LIMITED | 03914400 | 27/01/2000 | 20/09/2000 | Not Trading |