| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| EASY-SILL LIMITED | 08670706 | 02/09/2013 | One Red Flag |
| FLOORSCAN ACOUSTICS (YORKSHIRE) LIMITED | 05565019 | 15/09/2005 | Dissolved |
| FLOORSCAN ACOUSTICS INSTALLATIONS AND SURVEYS LIMITED | 04902331 | 17/09/2003 | Dissolved |
| GREEN ACOUSTICS LIMITED | 12445394 | 21/04/2021 | Dissolved |
| JA HOWELL PROPERTY LIMITED | 13028231 | 18/11/2020 | Dissolved |
| M G Floors Ltd | 02023414 | 20/02/1991 | Dissolved |
| M G Floors Ltd | 02023414 | 20/02/1991 | Dissolved |
| THE ASSOCIATION OF SOUND TESTERS LIMITED | 05571452 | 22/09/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BASE ENERGY SERVICES LIMITED | 06649700 | 17/07/2008 | 01/10/2016 | Silver |
| BUILDING CG LIMITED | 07206556 | 29/03/2010 | 05/01/2015 | Silver |
| FLOORSCAN ACOUSTICS LIMITED | 02973110 | 04/10/1994 | 11/08/2015 | Bronze |
| HUSH (UK) LIMITED | 03480753 | 01/07/2005 | 15/12/2016 | Amber |
| HUSH ACOUSTIC PRODUCTS LIMITED | 09352193 | 12/12/2014 | 15/12/2016 | Bronze |
| HUSH PRODUCTS LIMITED | 06250091 | 02/09/2011 | 15/12/2016 | Not Trading |
| M G CEILINGS & LININGS LIMITED | 01947540 | 20/02/1992 | 30/06/1999 | Dissolved |
| M.G. Industrial Services Ltd | 03064770 | 16/06/1995 | 30/09/1996 | Dissolved |
| Merseyside Ceramics Ltd | 01507956 | 20/02/1992 | 30/06/1999 | Dissolved |
| SONATA ACOUSTICS LIMITED | 06820428 | 16/02/2009 | 20/11/2014 | Dissolved |
| SPRATT & HAMER LIMITED | 05747028 | 17/03/2006 | 05/01/2015 | One Red Flag |