| Actin Limited | Private company limited by shares | Live |
| ACTIN PACIFIC LIMITED | Private company limited by shares | Live |
| ACTIN PACIFIC HK LIMITED | Private company limited by shares | Live |
| ACTINER LIMITED | Private company limited by shares | Live |
| ACTING DRAGON LIMITED | Private company limited by shares | Live |
| ACTING ENTERPRISES LIMITED | Private company limited by shares | Live |
| Acting for Good Limited | Company limited by guarantee | Live |
| ACTING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| Strasberg Acting Studio Asia Limited | Private company limited by shares | Live |
| ACTINIA SCIENTIFIC BIOLOGICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ACTINIA ENVIRONMENTAL ECO-TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACTINIC INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| ACTINIUM LIMITED | Private company limited by shares | Live |
| Actino Consulting Limited | Private company limited by shares | Live |
| Actino Scientific Company Limited | Private company limited by shares | Live |
| Actino Venture Enterprise Company Limited | | Live |
| Actinochemistry Limited | Private company limited by shares | Live |
| ACTINTER LIMITED | Private company limited by shares | Live |