| Company | Timeline | Status | |
| Ingrebourne Pfa Ltd Director • Director  | 26 Oct 2017←4 Years→16 Nov 2021  | Active  | |
| Ingrebourne Valley Holdings Ltd Director • Unreported  | 18 Dec 2012←12 Years→Current  | Active  | |
| Aveley Leisure Ltd Director • Director  | 13 Jul 2011←10 Years→16 Nov 2021  | Active  | |
| Ahern Waste Management Services Limited Director • Director  | 15 Oct 2003←22 Years→Current  | Active  | |
| Ahern Skips Limited Director • Director  | 15 Oct 2003←22 Years→Current  | Active  | |
| Clearfair Limited Director • Company Director  | 14 Oct 1997←6 Years→24 May 2004  | Active  | |
| Ingrebourne Valley Limited Director • Company Director  | 2 Apr 1996←25 Years→16 Nov 2021  | Active  | |
| P.F. Ahern (London) Limited Director • Director  | 28 Feb 1993←32 Years→Current  | Active  | |
| Ahern Hazardous Waste Services Limited Director • Director  | 28 Feb 1993←32 Years→Current  | Active  | |
| Ahern Land Reclamation Limited Director • Director  | 28 Feb 1993←32 Years→Current  | Active  | |
