| Southern Capital Investment Activities Limited | Private company limited by shares | Dissolved |
| TOLO CHANNEL ACTIVITIES CENTER LIMITED | Private company limited by shares | Dissolved |
| CHINESE REPORTER TRAINING ACTIVITIES CENTER CO., LIMITED | Private company limited by shares | Dissolved |
| International Outdoor Activities Skill Training Association Company Limited | Company limited by guarantee | Live |
| PA ACTIVITY LIMITED | Private company limited by shares | Dissolved |
| ACTIVITY 500 LIMITED | Private company limited by shares | Dissolved |
| ATOM ACTIVITY LIMITED | Private company limited by shares | Live |
| SOCIAL ACTIVITY CENTER LIMITED | Private company limited by shares | Dissolved |
| ASIAN COUNCIL FOR HEALTH PHYSICAL ACTIVITY AND FITNESS LIMITED | Company limited by guarantee | Live |
| GINGER ACTIVO LIMITED | Private company limited by shares | Dissolved |
| ActivPro Limited | Private company limited by shares | Live |
| Activteam Limited | Private company limited by shares | Live |
| ACTIVTEK ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| Activv Concepts Limited | Private company limited by shares | Live |
| ActivWell Limited | Private company limited by shares | Live |
| ACTIWAY COMPANY LIMITED | | Live |
| ACTIWORLD LIMITED | Private company limited by shares | Dissolved |
| ACTIX LIMITED | Private company limited by shares | Live |
| ACTKLE Service Limited | | Live |
| ACTL Company Limited | | Live |
| ACTLEY LIMITED | Private company limited by shares | Dissolved |
| ACTLINK LIMITED | Private company limited by shares | Live |
| ACTLINK INC LIMITED | Private company limited by shares | Live |
| ACTLONG LIMITED | Private company limited by shares | Dissolved |
| ACTMACH CO., LIMITED | Private company limited by shares | Live |
| ACTMAN LIMITED | Private company limited by shares | Live |
| ACTMAX LIMITED | Private company limited by shares | Live |
| Actmax Developments Limited | Private company limited by shares | Dissolved |
| ACTMAX INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ACTMAX INVESTMENTS LIMITED | Private company limited by shares | Live |
| ACTMAX TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ACTMEDIA HOLDINGS (HONG KONG) CO. LIMITED | Private company limited by shares | Live |
| ACTMEDIA (HONG KONG) CO. LIMITED | Private company limited by shares | Dissolved |
| ACTMEDIA TRADING LIMITED | Private company limited by shares | Live |
| ACTMEDIA.IMS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| ACT-MING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACTminton Limited | Private company limited by shares | Live |
| ACTMORE ESTATE LIMITED | Private company limited by shares | Live |
| ACTnROLL Limited | | Live |
| ACTogether Limited | Private company limited by shares | Live Commenced dormancy on 07-Jan-2016 |
| ACTOM LIMITED | Private company limited by shares | Live |
| ACTON COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACTON HK LIMITED | Private company limited by shares | Live |
| ACTON LIMITED | Private company limited by shares | Dissolved |
| ACTON ADVERTISING COMPANY LIMITED | Private company limited by shares | Live |
| Acton Power Co., Limited | Private company limited by shares | Live |
| ACTON CONSULTING LIMITED | Private company limited by shares | Live |
| ACTON BUSINESS CONSULTING LIMITED | Private company limited by shares | Dissolved |
| ACTON FAR EAST LIMITED | Private company limited by shares | Live |
| Acton Flora Limited | Private company limited by shares | Live |
| ACTON GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACTON HEALTHCARE LIMITED | Private company limited by shares | Dissolved |
| ACTON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ACTON MARITIME LIMITED | Private company limited by shares | Dissolved |
| ACTON PACIFIC LIMITED | Private company limited by shares | Dissolved |
| ACTON ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| ACTON SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Train With Acton Limited | Private company limited by shares | Live |
| ACTONBRIDGE LIMITED | Private company limited by shares | Dissolved |
| ACTOP LIMITED | Private company limited by shares | Live |
| ACTOPLUS TT LIMITED | | Live |
| ACTOPLUS E-GOGO LIMITED | Private company limited by shares | Live |
| ACTOR LIMITED - THE - | Private company limited by shares | Dissolved |
| ACTOR LIMITED | Private company limited by shares | Dissolved |
| SKY ACTOR LIMITED | Private company limited by shares | Dissolved |
| DRAGON ACTOR LIMITED | Private company limited by shares | Live |
| PURE ACTOR LIMITED | Private company limited by shares | Dissolved |
| Actorbase Limited | | Live |
| ACTORS' FAMILY LIMITED | Private company limited by shares | Live |
| DRAGON STARS ACTORS LIMITED | Private company limited by shares | Dissolved |
| Actor's Vision Limited | Company limited by guarantee | Live |
| ACTPAK COMPANY LIMITED | Private company limited by shares | Live |
| ACTPRO LIMITED | Private company limited by shares | Live |
| ACTPRO AUDIO MANUFACTURER CO. LIMITED | Private company limited by shares | Live |
| ACTQC LIMITED | Private company limited by shares | Live |
| ACTRADE LIMITED | Private company limited by shares | Dissolved |
| ACTRADE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ACTRAIN TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| ActRealTime Company Limited | Private company limited by shares | Dissolved |
| ACTRICH COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACTRICH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ACTRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACTRIX LIMITED | Private company limited by shares | Dissolved |
| ACTRON LIMITED | Private company limited by shares | Dissolved |
| ACTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| ACTRONTECH COMPANY LIMITED | Private company limited by shares | Live |
| ACTRUCY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACTRX LIMITED | Private company limited by shares | Live |
| ACTS LIMITED | Private company limited by shares | Dissolved |
| A.C.T.S. Limited | Private company limited by shares | Dissolved |
| ACTS HK Limited | Private company limited by shares | Live Commenced dormancy on 05-Dec-2014 |
| Acts 29 Limited | Company limited by guarantee | Live |
| ACTs and Associates Limited | Private company limited by shares | Live |
| CLASS ACTS LIMITED | Private company limited by shares | Dissolved |
| ACTS CO., LIMITED | Private company limited by shares | Live |
| ACTS CONCEPTS LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Apr-2014 |
| CYBER ACTS LIMITED | Private company limited by shares | Dissolved |
| ACTS UNITED GROUP LIMITED | Private company limited by shares | Live |
| ACTS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ACTS TRADING COMPANY LIMITED | Private company limited by shares | Live |