| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BCC (PROJECTS) LIMITED | 05661287 | 19/11/2013 | Dissolved |
| INDUSTRIAL CLEANING MACHINE MANUFACTURERS ASSOCIATION LIMITED | 05844889 | 01/07/2009 | Dissolved |
| PRINCIPLE CLEANING SERVICES LIMITED | 02333935 | 01/07/1991 | Amber |
| PRINCIPLE SECURITY SERVICES LIMITED | 03155577 | 06/02/1996 | Gold |
| PRINCIPLE SERVICES HOLDINGS LIMITED | 04690552 | 07/03/2003 | Amber |
| PRINCIPLE SERVICES LIMITED | 03155578 | 06/02/1996 | Gold |
| THE ASSOCIATION OF SUPPORT SERVICE CONTRACTORS | 02520742 | 04/10/1993 | Dissolved |
| THE CONTRACT CLEANING AND MAINTENANCE ASSOCIATION | 02547270 | 04/10/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH CLEANING COUNCIL LTD | 02128175 | 07/10/2008 | 25/07/2017 | Gold |
| BRITISH INSTITUTE OF CLEANING SCIENCE LIMITED(THE) | 01524014 | 11/09/2008 | 20/09/2012 | Bronze |
| CPOTENTIAL TRUST | 05848363 | 10/07/2006 | 20/06/2016 | One Red Flag |
| PRINCIPLE SERVICES HOLDINGS LIMITED | 04690552 | 07/03/2003 | 19/11/2011 | Amber |
| THE WORLD FEDERATION OF BUILDING SERVICE CONTRACTORS (2009) | 02712612 | 12/05/2006 | 11/08/2015 | Amber |