| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CERTSURE OPERATIONS LIMITED | 08258814 | 18/10/2012 | Dissolved |
| EMMACLANCYCONSULTING LIMITED | 12376416 | 23/12/2019 | Dissolved |
| ENESA LIMITED | 07908319 | 13/01/2012 | Dissolved |
| JPD GROUP LIMITED | 01735009 | 22/07/2005 | Dissolved |
| PURAGEN LIMITED | 07528955 | 14/02/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASCERTIVA LIMITED | 07178605 | 09/01/2012 | 27/02/2015 | Dissolved |
| ASSOCIATION OF BRITISH CERTIFICATION BODIES | 03170306 | 14/07/2010 | 01/06/2013 | Gold |
| CERTSURE LLP | OC379918 | 05/11/2012 | 28/03/2013 | Bronze |
| CICAIR LTD | 08881582 | 27/11/2019 | 29/05/2020 | Bronze |
| ELECTRICAL COMPETENT PERSON SCHEME OPERATORS LIMITED | 08840127 | 10/01/2014 | 07/01/2019 | Gold |
| ESF ENTERPRISES LIMITED | 02513162 | 24/10/2005 | 21/11/2018 | Amber |
| NATIONAL QUALITY ASSURANCE LIMITED | 02269505 | 08/04/2011 | 27/02/2015 | Silver |
| NICEIC PROFESSIONAL SERVICES LIMITED | 04411297 | 01/10/2008 | 21/11/2018 | Dissolved |
| SALIX FINANCE LTD | 05068355 | 01/11/2023 | 03/10/2024 | One Red Flag |
| SCOTTISH BUILDING STANDARDS CERTIFICATION | SC339834 | 30/03/2009 | 21/11/2018 | Dissolved |
| TRUSTMARK (2005) LIMITED | 05480144 | 26/09/2018 | 30/01/2019 | One Red Flag |