| Company | Timeline | Status | |
| Sand & Stone Property Ltd Director • Director | 25 Nov 2019←5 Years→20 Oct 2025 | Active | |
| D P Williams Quarries Limited Director • Director | 24 Jul 2019←6 Years→Current | Active | |
| Williams Investment Holdings Limited Director • Director | 26 Oct 2018←7 Years→Current | Active | |
| Cheshire And North Wales Sand And Gravel Limited Director • Director | 11 May 2017←1 Year 4 Months→30 Sep 2018 | Active | |
Dependable Concrete Limited Director • Director | 12 Mar 2014←4 Years→17 Jul 2018 | Dissolved | |
| D P Williams Group Limited Director • Director | 11 Mar 2014←11 Years→Current | Active | |
| D P Williams Limited Director • Company Director | 22 Nov 1991←34 Years→Current | Active | |
| CCP Aggregates Limited Director • Director | 13 Nov 1991←25 Years→29 Sep 2017 | Active | |
