| 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 |
| ACTIO ENTERPRISES LIMITED | Private company limited by shares | Live |
| Actiom Limited | Private company limited by shares | Live |
| ACTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACTION WAY COMPANY LIMITED | Private company limited by shares | Live |
| JET ACTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| WIN ACTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| NO. 1 ACTION LIMITED | Private company limited by shares | Dissolved |
| ACTION ONE LIMITED | Private company limited by shares | Live |
| ACTION TOP LIMITED | Private company limited by shares | Dissolved |
| ACTION WIN LIMITED | Private company limited by shares | Dissolved |
| TOP ACTION LIMITED | Private company limited by shares | Dissolved |
| LEE ACTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACTION MAX LIMITED | Private company limited by shares | Live |
| ACTION TOP LIMITED | Private company limited by shares | Dissolved |
| ECO ACTION LIMITED | Private company limited by shares | Dissolved |
| JOY ACTION LIMITED | Private company limited by shares | Live |
| ACTION AIM LIMITED | Private company limited by shares | Dissolved |
| TOP ACTION LIMITED | Private company limited by shares | Dissolved |
| SUN ACTION LIMITED | Private company limited by shares | Dissolved |
| WIN ACTION LIMITED | Private company limited by shares | Dissolved |
| ACTION TOP LIMITED | Private company limited by shares | Dissolved |
| WIN ACTION LIMITED | Private company limited by shares | Live |
| NEW ACTION LIMITED | Private company limited by shares | Live |
| IT ACTION LIMITED | Private company limited by shares | Dissolved |
| SKY ACTION LIMITED | Private company limited by shares | Dissolved |
| DL ACTION CO. LIMITED | Private company limited by shares | Live |
| ACTION SKY LIMITED | Private company limited by shares | Live |
| F&G ACTION CO. LIMITED | Private company limited by shares | Dissolved |
| ALL ACTION LIMITED | Private company limited by shares | Live |
| ACTION WIN LIMITED | Private company limited by shares | Dissolved |
| FLY ACTION LIMITED | Private company limited by shares | Live |
| TOP ACTION LIMITED | Private company limited by shares | Dissolved |
| Hao Xue Action Limited | Company limited by guarantee | Live |
| ACTION LIMITED | Private company limited by shares | Live |
| T ACTION LIMITED | Private company limited by shares | Dissolved |
| B ACTION COMPANY LIMITED | Private company limited by shares | Live |
| SUN ACTION LIMITED | Private company limited by shares | Live |
| ACTION CH LIMITED | Private company limited by shares | Live |
| MAX ACTION LIMITED | Private company limited by shares | Dissolved |
| Action X HK Limited | Private company limited by shares | Live |
| Emo Action Limited | Private company limited by shares | Live |
| ACTION TOP LIMITED | Private company limited by shares | Live |
| SKY ACTION LIMITED | Private company limited by shares | Live |
| IN ACTION LIMITED | Private company limited by shares | Live |
| TOP ACTION LIMITED | Private company limited by shares | Live |
| ACTION IND LIMITED | Private company limited by shares | Live |
| FUN ACTION LIMITED | Private company limited by shares | Live |
| MIG Action Limited | Company limited by guarantee | Live |
| Action Cat Limited | Private company limited by shares | Live |
| SKY ACTION LIMITED | Private company limited by shares | Live |
| Action Art Limited | Private company limited by shares | Live |
| OUR ACTION HK LIMITED | Private company limited by shares | Live |
| ACTION 24 LIMITED | Private company limited by shares | Live |
| Yan Yin Action Limited | Company limited by guarantee | Live |
| ACTION YP LIMITED | Private company limited by shares | Live |
| ACE ACTION LIMITED | Private company limited by shares | Live |
| Cue Action Limited | Private company limited by shares | Live |
| K Action Limited | Private company limited by shares | Live |
| Action Now Company Limited | Private company limited by shares | Live |
| Action Lab Limited | Private company limited by shares | Live |
| Q ACTION LIMITED | Private company limited by shares | Live |
| EDU Action Company Limited | Private company limited by shares | Live |
| 321 Action Company Limited | Private company limited by shares | Live |
| Action i Limited | 擔保有限公司 | Live |
| ACTION ACE LIMITED | | Live |
| 1618 ACTION LIMITED | Private company limited by shares | Dissolved |
| ACTION 2000 LIMITED | Private company limited by shares | Live |
| ACTION 2000 TRADING & SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Action 2021 Limited | | Live |
| ABLE ACTION LIMITED | Private company limited by shares | Live |
| ACTION ASIA SPORTS ACADEMY LIMITED | | Live |
| Master Action Academy Limited | | Live |
| Admirable Action Way Limited | Private company limited by shares | Live |
| ADVANCE ACTION LIMITED | Private company limited by shares | Live |
| Action Adventure Limited -The- | Private company limited by shares | Live |
| ACTION BUSINESS ADVISORY LIMITED | Private company limited by shares | Dissolved |
| AFFIRM ACTION LIMITED | Private company limited by shares | Dissolved |
| AFFIRM ACTION LIMITED | Private company limited by shares | Live |
| ACTION EMPLOYMENT AGENCY LIMITED | Private company limited by shares | Dissolved |
| Agile Action International Limited | Private company limited by shares | Live |
| AHEAD ACTION LIMITED | Private company limited by shares | Dissolved |
| CAT AND DOG ACTION TEAM FOR ANIMAL WELFARE ALLIANCE LIMITED | Company limited by guarantee | Live |
| ALLIED ACTION LIMITED | Private company limited by shares | Dissolved |
| ALLIED ACTION LIMITED | | Live |
| ALPHA ACTION LIMITED | Private company limited by shares | Live |