| NATUS LIMITED | Private company limited by shares | Live |
| NATUS AVIATION LIMITED | Private company limited by shares | Dissolved |
| NATUS GmbH Limited | Private company limited by shares | Live |
| NATUS (HK) BUSDUCT SYSTEM LIMITED | Private company limited by shares | Live |
| NATUS (HK) ELECTRIC SYSTEMS CO. LIMITED | Private company limited by shares | Live |
| Hongkong Natus Busbar Limited | Private company limited by shares | Live |
| NATUS ELECTRIC SYSTEMS (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| NATUS ELECTRICAL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Natus Medical Hong Kong Limited | Private company limited by shares | Live |