| Company | Timeline | Status | |
| Halma Australasia Holdings Limited Director • Director | 18 Dec 2020←4 Years→Current | Active | |
| Radio-Tech Limited Director • Chartered Accountant | 4 Dec 2019←3 Years→16 Jan 2023 | Dissolved | |
| Smith Flow Control Limited Director • Chartered Accountant | 4 Dec 2019←3 Years→16 Jan 2023 | Dissolved | |
| Sonar Research & Development Limited Director • Chartered Accountant | 4 Dec 2019←3 Years→16 Jan 2023 | Dissolved | |
| Halma Ventures Limited Director • Company Director | 9 Aug 2019←6 Years→Current | Active | |
| Eiffel Investments UK Limited Director • Chartered Accountant | 6 Mar 2019←6 Years→Current | Active | |
| Eiffel Holdings Limited Director • Chartered Accountant | 4 Mar 2019←6 Years→Current | Active | |
| RCS International Limited Director • Chartered Accountant | 1 Jul 2018←7 Years→1 Jul 2025 | Dissolved | |
| Halma Euro Trading Limited Director • Unreported | 1 Jul 2018←7 Years→Current | Active | |
| Halma Overseas Funding Limited Director • Chartered Accountant | 1 Jul 2018←7 Years→Current | Active | |
