| Company | Timeline | Status | |
| Cook Rail Systems Limited Director • Company Director | 12 Jul 2024←1 Year 4 Months→Current | Active | |
| William Cook Defence Limited Director • Company Director | 12 Jul 2024←1 Year 4 Months→Current | Active | |
| William Cook Leaseholds Limited Director • Company Director | 12 Jul 2024←1 Year 4 Months→Current | Active | |
| William Cook Aviation Limited Director • Company Director | 12 Jul 2024←1 Year 4 Months→Current | Active | |
| William Cook Estates Limited Director • Company Director | 12 Jul 2024←1 Year 4 Months→Current | Active | |
| William Cook Limited Director • Company Director | 12 Jul 2024←1 Year 4 Months→Current | Active | |
| Crowle Wharf Engineers Limited Director • Director | 26 Apr 2024←1 Year 7 Months→Current | Active | |
| Froggatt Trustee Limited Director • Director | 2 Nov 2022←3 Years→Current | Active | |
| Botanical House Limited Director • Company Director | 20 Dec 2021←3 Years→Current | Active | |
| Chesterfield Metal Technologies Limited Director • Commercial Director | 14 Jan 2020←5 Years→Current | Active | |
