| Company | Timeline | Status | |
| Simpson Patterns Limited Director • Director | 25 Oct 2024←1 Year 1 Month→Current | Active | |
| Crowle Wharf Engineers Limited Director • Director | 26 Apr 2024←1 Year 7 Months→Current | Active | |
| A D A Machining Services Limited Director • Group Managing Director | 5 May 2021←4 Years→Current | Active | |
| Glentworth Rail Limited Director • Managing Director | 10 Jun 2020←1 Year 1 Month→13 Jul 2021 | Dissolved | |
| Chesterfield Metal Technologies Limited Director • Group Financial Director | 14 Jan 2020←5 Years→Current | Active | |
| William Cook Properties Limited Director • Group Financial Director | 13 Aug 2018←7 Years→Current | Active | |
| William Cook Master Patterns Limited Director • Finance Director | 1 Nov 2016←4 Years→10 Jun 2021 | Dissolved | |
| William Cook Intermodal Limited Director • Finance Director | 1 Nov 2016←9 Years→Current | Active | |
| William Cook NDT Limited Director • Finance Director | 1 Nov 2016←4 Years→27 Feb 2021 | Dissolved | |
| William Cook Holdings Limited Director • Group Financial Director | 1 Sep 2016←9 Years→Current | Active | |
