| ACTIVA LIMITED | Private company limited by shares | Live |
| ActivAid Charitable Projects Limited | Company limited by guarantee | Live |
| Activalley Limited | Private company limited by shares | Live |
| ACTIVATE LIMITED | Private company limited by shares | Dissolved |
| ACTIVATE LIMITED | Private company limited by shares | Dissolved |
| Activate it! Limited | Private company limited by shares | Live |
| ACTIVATE NOW LIMITED | Private company limited by shares | Live |
| ACTIVATE LIMITED | Private company limited by shares | Live |
| Activate Asia Limited | Private company limited by shares | Live |
| HONGKONG ACTIVATE PRECISION HARDWARE ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| Activate Experience Limited | Private company limited by shares | Live |
| ACTIVATE FAME LIMITED | Private company limited by shares | Live |
| FINE ACTIVATE LIMITED | Private company limited by shares | Live |
| ACTIVATE GAIN LIMITED | Private company limited by shares | Live |
| ACTIVATE RICH LIMITED | Private company limited by shares | Live |
| ACTIVATE RICHES LIMITED | Private company limited by shares | Live |
| ACTIVATE SPORTSWEAR LIMITED | Private company limited by shares | Live |
| Activated Asia Company Limited | | Live |
| Activation One Limited | Private company limited by shares | Live |
| GOODWILL ASSETS ACTIVATION LIMITED | Private company limited by shares | Dissolved |
| ACTIVATION BEAUTY LIMITED | Private company limited by shares | Live |
| Activation Vehicle Consulting Co., Limited | Private company limited by shares | Live |
| Concept Activation Co Limited | Private company limited by shares | Live |
| Activation Entertainment Limited | Private company limited by shares | Live |
| SME Activation Fintech Company Limited | Private company limited by shares | Live |
| Activation Group Limited | Private company limited by shares | Live |
| Hope Activation Limited | Private company limited by shares | Live |
| Activation Investment Limited | Private company limited by shares | Live |
| ACTIVATION OVERSEAS COMPANY LIMITED | Private company limited by shares | Dissolved |
| One Property Activation Limited -The- | Private company limited by shares | Live |
| Reach 360 Activation Limited | Private company limited by shares | Live |
| RISE ACTIVATION (HONG KONG) LIMITED | | Live |
| MERIDIAN ACTIVATION SYSTEM THERAPY-CHINESE MEDICINE ASSOCIATION LIMITED | Private company limited by shares | Live |
| DIGITAL COMMUNICATIONS ACTIVATIONS GROUP LIMITED | Private company limited by shares | Dissolved |
| ACTIVATOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACTIVATOR ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Real-time Plasmin Activator (Hongkong) co., Limited | Private company limited by shares | Live |
| Activator Marketing Company Limited | Private company limited by shares | Live |
| GTP ACTIVATOR SUPPLY LIMITED | Private company limited by shares | Dissolved |