| Company | Timeline | Status | |
| Naturbeads Ltd Director • Retired | 3 Jun 2024←1 Year 4 Months→Current | Active | |
| JMH International Ltd Director • Company Director | 10 Dec 2019←1 Year 3 Months→19 Mar 2021 | Active | |
| Otto Simon Chemicals Limited Director • Company Director | 10 Dec 2019←1 Year 3 Months→19 Mar 2021 | Active | |
| John M Henderson Machines Limited Director • Company Director | 10 Dec 2019←1 Year 3 Months→19 Mar 2021 | Liquidation | |
| Otto Simon Holdings Limited Director • Company Director | 10 Dec 2019←1 Year 3 Months→19 Mar 2021 | Active | |
| Otto Simon Limited Director • Company Director | 10 Dec 2019←1 Year 3 Months→19 Mar 2021 | Active | |
| Ferrostatics (International) Limited Director • Company Director | 10 Dec 2019←1 Year 3 Months→19 Mar 2021 | Active | |
| 3F Bio Ltd Director • Consultant | 1 Dec 2016←6 Years→31 Dec 2022 | Active | |
| DRTC Limited Director • Director | 2 Oct 2015←7 Years→9 Mar 2023 | Dissolved | |
