| AIRD Power Limited | Private company limited by shares | Live |
| AIRDASH LIMITED | Private company limited by shares | Live |
| KINGSMITH AIRDATA LIMITED | Private company limited by shares | Live |
| Airdeal Tech Limited | Private company limited by shares | Live |
| AirDeveloppa HK Limited | | Live |
| Airdoc Technology (HK) Limited | Private company limited by shares | Live |
| Bio Scientist (Airdressing) Limited | Private company limited by shares | Live |
| Airdri Asia Limited | Private company limited by shares | Live |
| AIRDRI (HK) LIMITED | Private company limited by shares | Live |
| HK AIR-DRY FRUIT SITE BIO-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GAINTEK ROBOTIC AIRDUCT CLEANING LIMITED | Private company limited by shares | Dissolved |