| Company | Timeline | Status | |
| Core Nuclear Properties Limited Director • Managing Director | 27 Aug 2025←5 Months→Current | Active | |
| Cumbria Property Investments Ltd Director • Unreported | 13 Dec 2024←1 Year 1 Month→Current | Active | |
| D Martin Engineering Ltd Director • Unreported | 25 Oct 2024←1 Year 3 Months→Current | Active | |
| Core Nuclear Group Ltd Director • Managing Director | 5 Jan 2021←5 Years→Current | Active | |
| Robotic Nuclear Decommissioning Ltd Director • Managing Director | 4 Jan 2021←2 Years→24 Jan 2023 | Dissolved | |
| Nuclear Engineering Systems Limited Director • Managing Director | 17 Jan 2020←2 Years 4 Months→31 May 2022 | Dissolved | |
