| Company | Timeline | Status | |
| Johnson Matthey Precious Metals Limited Director • Company Director | 3 Oct 2018←1 Year 4 Months→31 Jan 2020 | Active | |
| Matthey Holdings Limited Director • Company Director | 30 Aug 2018←1 Year 5 Months→31 Jan 2020 | Active | |
| Johnson Matthey South Africa Holdings Limited Director • Company Director | 29 Aug 2018←1 Year 5 Months→31 Jan 2020 | Active | |
| Ag Holding Ltd Director • Company Director | 29 Aug 2018←1 Year 5 Months→31 Jan 2020 | Dissolved | |
| Johnson Matthey Hydrogen Technologies Limited Director • Company Director | 29 Aug 2018←1 Year 5 Months→31 Jan 2020 | Active | |
| Johnson Matthey Battery Systems Engineering Limited Director • Company Director | 29 Aug 2018←1 Year 5 Months→31 Jan 2020 | Dissolved | |
Johnson Matthey (CM) Limited Director • Company Director | 21 Aug 2018←9 Months→28 May 2019 | Dissolved | |
| Johnson Matthey Tianjin Holdings Limited Director • Company Director | 21 Aug 2018←1 Year 5 Months→31 Jan 2020 | Active | |
| Cascade Biochem Limited Director • Company Director | 21 Aug 2018←1 Year 5 Months→31 Jan 2020 | Dissolved | |
| Johnson Matthey Investments Limited Director • Company Director | 21 Aug 2018←1 Year 5 Months→31 Jan 2020 | Active | |
