| Company | Timeline | Status | |
| Halma Australasia Holdings Limited Director • Company Secretary  | 1 Apr 2023←2 Years 7 Months→Current  | Active  | |
| Halma Ventures Limited Director • Company Secretary  | 1 Apr 2023←2 Years 7 Months→Current  | Active  | |
| Eiffel Investments UK Limited Director • Company Secretary  | 1 Apr 2023←2 Years 7 Months→Current  | Active  | |
| Eiffel Holdings Limited Director • Company Secretary  | 1 Apr 2023←2 Years 7 Months→Current  | Active  | |
| RCS International Limited Director • Company Secretary  | 1 Apr 2023←2 Years 3 Months→1 Jul 2025  | Dissolved  | |
| Halma Euro Trading Limited Director • Unreported  | 1 Apr 2023←2 Years 7 Months→Current  | Active  | |
| Halma Overseas Funding Limited Director • Company Secretary  | 1 Apr 2023←2 Years 7 Months→Current  | Active  | |
| Halma Resistors Unlimited Director • Company Secretary  | 1 Apr 2023←2 Years 7 Months→Current  | Active  | |
| Halma Investment Holdings Limited Director • Unreported  | 1 Apr 2023←2 Years 7 Months→Current  | Active  | |
| Halma Financing Limited Director • Company Secretary  | 1 Apr 2023←2 Years 7 Months→Current  | Active  | |
