| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ABTECH SYSTEMS LIMITED | 01998985 | 04/04/2011 | Silver |
| APM GROUP-THE ACCREDITOR LTD | 07107556 | 17/12/2009 | Dissolved |
| APMG GROUP LIMITED | 06877867 | 15/04/2009 | Dissolved |
| APMG-AUSTRALASIA LIMITED | 06338597 | 09/08/2007 | Silver |
| APMG-ICP LIMITED | 05530368 | 08/08/2005 | Dissolved |
| APMG-INTERNATIONAL LIMITED | 07902782 | 09/01/2012 | Silver |
| APMG-SCANDINAVIA LIMITED | 06665995 | 06/08/2008 | Dissolved |
| APMG-THE ACCREDITOR LIMITED | 06636188 | 02/07/2008 | Dissolved |
| APMG-UK LIMITED | 06274579 | 11/06/2007 | Silver |
| BEST PRACTICE USER GROUP INTERNATIONAL LIMITED | 07882889 | 14/12/2011 | Amber |
| INTERCERT UK LIMITED | 04055867 | 18/08/2000 | Silver |
| P3M3 INDEX LIMITED | 07377900 | 31/12/2013 | Dissolved |
| PM4SUCCESS LIMITED | 04358535 | 29/05/2002 | Dissolved |
| PM4SUCCESS LIMITED | 04358535 | 29/05/2002 | Dissolved |
| PPMBESTPRACTICE LTD | 04754138 | 06/05/2003 | Dissolved |
| PPMGOODPRACTICE LTD | 04754130 | 06/05/2003 | Dissolved |
| Pm 2000 Ltd | 02855176 | 12/10/1993 | Dissolved |
| THE ACCREDITOR LIMITED | 06636276 | 02/07/2008 | Silver |
| THE APM GROUP LIMITED | 02861902 | 13/10/1993 | Gold |
| THE PROJECT SHOP LIMITED | 02855166 | 12/10/1993 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASSOCIATION FOR PROJECT MANAGEMENT | 01218334 | 14/06/1993 | 13/10/1993 | Dissolved |
| BEST PRACTICE USER GROUP LIMITED | 05454296 | 20/07/2005 | 31/03/2012 | Gold |