| ActEco Limited | Private company limited by shares | Live |
| ACTECO (HK) SUPPLYCHAIN MANAGEMENT LIMITED | Private company limited by shares | Live |
| ACT-Education Consultancy Limited | Private company limited by shares | Live |
| ACTEL LIMITED | Private company limited by shares | Live |
| Actelligent Company Limited | Private company limited by shares | Live |
| ACTEM LIMITED | Private company limited by shares | Dissolved |
| CRMC ACTEM LIMITED | Private company limited by shares | Dissolved |
| ACTEN LIMITED | Private company limited by shares | Dissolved |
| ACTEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACTEN LIMITED | Private company limited by shares | Live |
| ACTEV MOBILITY LIMITED | Private company limited by shares | Live |
| ACTEVER ENTERPRISES LIMITED | Private company limited by shares | Live |
| ACTEX LIMITED | Private company limited by shares | Dissolved |
| ACTEX ENTERPRISES LIMITED | Private company limited by shares | Live |
| ACTEZ LIMITED | Private company limited by shares | Dissolved |
| ACTFAIR LIMITED | Private company limited by shares | Live |
| ACTFAIR LIMITED | Private company limited by shares | Live |
| ACTFAST INVESTMENTS COMPANY LIMITED | Private company limited by shares | Live |
| ACTFIELD LIMITED | Private company limited by shares | Live |
| ACTFIELD ENTERPRISES LIMITED | Private company limited by shares | Live |
| ACTFIRM LIMITED | Private company limited by shares | Dissolved |
| ACTFORD LIMITED | Private company limited by shares | Dissolved |
| ACTFORD GLOBAL LIMITED | Private company limited by shares | Dissolved |
| ACTFORD HOLDINGS LIMITED | Private company limited by shares | Live |
| ACTFORD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ACTFORM LIMITED | Private company limited by shares | Dissolved |
| ACTGAIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACTGENESIS LIMITED | Private company limited by shares | Dissolved |
| ACTGOLD GLOBAL LIMITED | Private company limited by shares | Dissolved |
| ACTGOLD INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ACTGOLD TRADING LIMITED | Private company limited by shares | Dissolved |
| ACTGOLD TRADING LIMITED | Private company limited by shares | Live |
| ACTGREAT LIMITED | Private company limited by shares | Live |
| ACTH INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| ACTH TRADING COMPANY LIMITED | | Live |
| ACTHERM COMPANY LIMITED | Private company limited by shares | Live |
| Acthink Limited | | Live |
| ACTHOPE LIMITED | Private company limited by shares | Dissolved |
| ACTI HOLDING LIMITED | Private company limited by shares | Dissolved |
| ACTIAS COMPANY LIMITED | Private company limited by shares | Live |
| ACTIC ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| Actic Innovation Limited | Private company limited by shares | Live |
| ACTIC OFFICE SUPPLIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACTICO LIMITED | Private company limited by shares | Live |
| ACTICO TOYS LIMITED | Private company limited by shares | Dissolved |
| Acticule Life Sciences (Hong Kong) Limited | Private company limited by shares | Live |
| CHINA ACTIF LIMITED | Private company limited by shares | Live |
| China ACTIF Limited | Private company limited by shares | Live |
| Actifon Limited | Private company limited by shares | Live |
| Actify Limited | | Live |
| Actigen Limited | Private company limited by shares | Live |
| Actik Trading Co., Limited | Private company limited by shares | Live |
| ACTIM LIMITED | Private company limited by shares | Dissolved |
| ACTIMA COMPUTER LIMITED | Private company limited by shares | Dissolved |
| 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 |
| 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 |