| Company | Timeline | Status | |
| Contamination Control Network Ltd Director • Managing Director Crowthorne Group | 29 Nov 2021←3 Years→Current | Active | |
| Absolute Carbon Filters Ltd Director • Company Director | 19 Oct 2018←4 Years→9 May 2023 | Dissolved | |
| Crowthorne Limited Director • Company Director | 15 Mar 2004←21 Years→Current | Active | |
| Measured Protection Limited Director • Company Director | 15 Mar 2004←21 Years→Current | Active | |
| Crowthorne Hi-Tec Services Limited Director • Company Director | 15 Mar 2004←21 Years→Current | Active | |
| Crowthorne Group Limited Director • Unreported | 12 Jan 2004←21 Years→Current | Active | |
