| Company | Timeline | Status | |
| Perpetuus Advanced Materials Limited Director • None | 6 Jun 2014←7 Years→6 Jan 2022 | Active | |
| Perpetuus Research & Development Limited Director • None | 6 Jun 2014←7 Years→6 Jan 2022 | Active | |
| Perpetuus Carbon Technologies Limited Director • None | 6 Jun 2014←7 Years→6 Jan 2022 | Dissolved | |
| Perpetuus Carbon Up-Cycling Research & Development Limited Director • None | 19 May 2014←7 Years→6 Jan 2022 | Active | |
| Perpetuus Carbon Up-Cycling Limited Director • None | 19 May 2014←7 Years→6 Jan 2022 | Active | |
| Perpetuus Electronic Materials Limited Director • None | 2 Apr 2014←7 Years→6 Jan 2022 | Dissolved | |
| Haydale Graphene Industries Plc Director • Researcher | 19 May 2010←2 Years 8 Months→18 Jan 2013 | Active | |
| Haydale Limited Director • Technical Director | 1 Jun 2006←6 Years→18 Jan 2013 | Active | |
