| Company | Timeline | Status | |
| Jmeps Trustees Limited Director • Company Director | 7 Oct 2025←17 Days→Current | Active | |
| Johnson Matthey (Nominees) Limited Director • Company Director | 20 Jun 2025←4 Months→Current | Active | |
| Matthey Finance B.V Director • Group Financial Controller | 4 Jun 2024←1 Year 4 Months→Current | Active | |
| Johnson Matthey Precious Metals Limited Director • Company Director | 11 Dec 2023←1 Year 10 Months→Current | Active | |
| Johnson Matthey South Africa Holdings Limited Director • Company Director | 8 Dec 2023←1 Year 10 Months→Current | Active | |
| Johnson Matthey UK Holdings Limited Director • Company Director | 30 Nov 2023←1 Year 10 Months→Current | Active | |
| Johnson Matthey General Partner (Scotland) Limited Director • Company Director | 30 Nov 2023←1 Year 10 Months→Current | Active | |
| Johnson Matthey Tianjin Holdings Limited Director • Company Director | 30 Nov 2023←1 Year 10 Months→Current | Active | |
| Matthey Holdings Limited Director • Company Director | 30 Nov 2023←1 Year 10 Months→Current | Active | |
| Cascade Biochem Limited Director • Company Director | 30 Nov 2023←9 Months→24 Sep 2024 | Dissolved | |
