| Company | Timeline | Status | |
| Ingrebourne Pfa Ltd Director • Director | 26 Oct 2017←4 Years→16 Nov 2021 | Active | |
| Ingrebourne Valley Holdings Ltd Director • None | 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 & Sons Limited Director • Director | 28 Feb 1995←30 Years→Current | 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 | |
