| Company | Timeline | Status | |
| Absolute Carbon Filters Ltd Director • Company Director  | 19 Oct 2018←4 Years→9 May 2023  | Dissolved  | |
| Crowthorne Group Limited Director • Director  | 23 Aug 2013←9 Years→2 Jun 2023  | Active  | |
| Crowthorne Limited Director • Director  | 23 Aug 2013←9 Years→2 Jun 2023  | Active  | |
| Measured Protection Limited Director • Director  | 23 Aug 2013←9 Years→2 Jun 2023  | Active  | |
| Crowthorne Hi-Tec Services Limited Director • Director  | 23 Aug 2013←9 Years→2 Jun 2023  | Active  | |
| Biopharma Overseas Limited Director • Director  | 25 Jun 2012←13 Years→Current  | Active  | |
| Pe487 Limited Director • Director  | 5 Feb 2009←16 Years→Current  | Active  | |
| Pe487 Limited Secretary • Director  | 5 Feb 2009←16 Years→Current  | Active  | |
| Biopharma Technology Limited Director • Unreported  | 5 Feb 2009←16 Years→Current  | Active  | |
| Biopharma Technology Limited Secretary • Director  | 5 Feb 2009←16 Years→Current  | Active  | |
