| Company | Timeline | Status | |
| J W Crowther Ltd Director • Company Director | 3 Oct 2024←1 Year→Current | Active | |
| N&P Crowther Limited Director • Director | 31 Jul 2019←6 Years→Current | Active | |
| J.W. Crowther Holdings Limited Director • Director | 31 Jul 2019←4 Months→19 Dec 2019 | Dissolved | |
| N&P C2 Limited Director • Company Director | 9 Jul 2009←16 Years→Current | Active | |
| N & G Mast Hire Limited Director • Company Director | 4 Feb 1998←27 Years→Current | Active | |
| West Leeds Motor Club Limited Director • Company Director | 25 Feb 1993←10 Years→31 Dec 2003 | Active | |
