| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Briggs & Hunt Ltd | 01272551 | 19/10/1991 | Dissolved |
| H. MORFITT & SON LIMITED | 00354652 | 18/10/1992 | Dissolved |
| J.H. Sands Limited. | 05311828 | 31/12/2004 | Dissolved |
| Methodist Property Services Ltd | 04844146 | 11/09/2003 | Dissolved |
| SHOUKSMITHS LIMITED | 01272548 | 19/10/1991 | One Red Flag |
| Shouksmiths (Birmingham) Limited | 01272547 | 19/10/1991 | Dissolved |
| Shouksmiths (London) Limited | 01272549 | 19/10/1991 | Dissolved |
| Shouksmiths (Manchester) Limited | 01272550 | 19/10/1991 | Dissolved |
| Shouksmiths (Northern) Ltd | 01272552 | 19/10/1991 | Dissolved |
| Turner & Pritchard Ltd | 00609429 | 18/10/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 81 CLARENCE STREET MANAGEMENT COMPANY LIMITED | 04397706 | 29/05/2003 | 21/01/2023 | Silver |
| 81 CLARENCE STREET MANAGEMENT COMPANY LIMITED | 04397706 | 19/03/2002 | 15/03/2016 | Silver |
| BPEC CERTIFICATION LIMITED | 03323774 | 01/01/2003 | 01/06/2004 | Gold |
| BPEC SERVICES LIMITED | 02978578 | 01/07/1998 | 07/04/2005 | Gold |
| BRITISH PLUMBING EMPLOYERS COUNCIL (TRAINING) LIMITED | 02728847 | 01/07/1998 | 07/04/2005 | Gold |
| J.H.SHOUKSMITH & SONS LIMITED | 00158677 | 19/10/1991 | 21/01/2023 | Gold |
| Protocol Network Integration Ltd | 01272553 | 16/10/1992 | 10/09/1999 | Dissolved |
| SHOUKSMITH DEVELOPMENTS LIMITED | 03376124 | 27/05/1997 | 21/01/2023 | Gold |
| SHOUKSMITH HOLDINGS LIMITED | 06397595 | 12/10/2007 | 21/01/2023 | Silver |
| SHOUKSMITH PROPERTIES LIMITED | 06397685 | 12/10/2007 | 21/01/2023 | Silver |
| SMC (HEADINGLEY) MANAGEMENT COMPANY LIMITED | 07137644 | 27/01/2010 | 10/04/2011 | Silver |
| ST MICHAEL'S CRESCENT MANAGEMENT COMPANY LIMITED | 07897120 | 04/01/2012 | 01/11/2013 | Amber |