| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AHERN ASBESTOS SERVICES LIMITED | 02600912 | 06/03/2008 | Not Trading |
| AHERN HAZARDOUS WASTE SERVICES LIMITED | 01956774 | 06/03/2008 | Not Trading |
| AHERN LAND RECLAMATION LIMITED | 01646149 | 06/03/2008 | Bronze |
| AHERN SKIPS LIMITED | 04189139 | 06/03/2008 | Not Trading |
| AHERN WASTE MANAGEMENT SERVICES LIMITED | 04189141 | 06/03/2008 | Not Trading |
| ALL SEASONS YARD LIMITED | 11604935 | 04/10/2018 | Bronze |
| AVELEY LEISURE LTD | 07674755 | 16/07/2012 | One Red Flag |
| BALDWINS LEISURE LIMITED | 15215868 | 17/10/2023 | Bronze |
| BLACK DIAMOND LONDON LIMITED | 04189126 | 01/05/2002 | Dissolved |
| CLEARFAIR LIMITED | 03349719 | 24/05/2004 | Silver |
| INGREBOURNE HARMONDSWORTH LIMITED | 14777685 | 30/04/2023 | Bronze |
| INGREBOURNE PFA LTD | 09955457 | 26/10/2017 | One Red Flag |
| P.F. AHERN & SONS LIMITED | 01228889 | 06/03/2008 | Gold |
| P.F. AHERN (LONDON) LIMITED | 01969311 | 06/03/2008 | Bronze |
| PANELMARK LIMITED | 02874839 | 10/08/2018 | Gold |
| THE PINCHES PROJECT CIC | 10332252 | 16/08/2016 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|