| ACTIVESOFT LIMITED | Private company limited by shares | Dissolved |
| Activet Limited | | Live |
| ACTIVEWAY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Gazelle Activewear Limited | Private company limited by shares | Live |
| ACTIVEWOOD COMPANY LIMITED | Private company limited by shares | Live |
| ActivIdentity (Hong Kong) Limited | Private company limited by shares | Dissolved |
| Alrazo United For Multi Activies Co., Limited | Private company limited by shares | Live |
| ACTIVIST ASSOCIATION LIMITED | Company limited by guarantee | Live |
| CHINESE ENTERPRISES ACTIVIST GROUP LIMITED | Private company limited by shares | Live |
| ED ACTIVITIES LIMITED | Private company limited by shares | Dissolved |
| LYS ACTIVITIES LIMITED | Private company limited by shares | Live |
| GO ADVENTURE & SPORTS ACTIVITIES LIMITED | Private company limited by shares | Dissolved |
| Guangdong-Hong Kong-Macao Greater Bay Area Off-Campus Activities Service Alliance Limited | Private company limited by shares | Live |
| ALSAFA MULTI ACTIVITIES CO., LIMITED | Private company limited by shares | Dissolved |
| ALSAMAB FOR MULTI ACTIVITIES CO., LIMITED | Private company limited by shares | Dissolved |
| ASIA DANCING ACTIVITIES LIMITED | Private company limited by shares | Dissolved |
| SPORTS ACTIVITIES ASSOCIATION LIMITED | Private company limited by shares | Live |
| Bauhinia Activities Company Limited | Private company limited by shares | Live |
| CATAPILLA THE ACTIVITIES CENTER (H.K.) LIMITED | Private company limited by shares | Dissolved |
| TEAMS CATERING & ACTIVITIES ORGANIZATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA CELEBRITIES AND ENTERPRISES OF PUBLIC & CHARITY ACTIVITIES ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| Jolly Learning Activities Centre Limited | Private company limited by shares | Live |
| GLOBAL CULTURAL ACTIVITIES EXCHANGE LIMITED | Private company limited by shares | Live |
| TELECOMMUNICATIONS RECREATIONAL & EDUCATIONAL ACTIVITIES FOCUS ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| FORTUNE.WIN ACTIVITIES LIMITED | Private company limited by shares | Dissolved |
| GADALA AKHWAN FOR MULTI ACTIVITIES CO., LIMITED | Private company limited by shares | Dissolved |
| DCA Global Activities Limited | Private company limited by shares | Live |
| HONG KONG COASTAL ACTIVITIES ASSOCIATION LIMITED | Private company limited by shares | Live |
| HONG KONG ICE ACTIVITIES ASSOCIATION LIMITED | Company limited by guarantee | Live |
| HONG KONG SEA ACTIVITIES CENTRE LIMITED | Company limited by guarantee | Dissolved |
| Broad Vision (Hong Kong) Marketing Communication Activities Co., Limited | Private company limited by shares | Live |
| HONG KONG EASTERN DISTRICT FESTIVAL ACTIVITIES ORGANISING COMMITTEE LIMITED | Company limited by guarantee | Live |
| HONG KONG EXTRA-CURRICULAR ACTIVITIES PROMOTION LIMITED | Company limited by guarantee | Live |
| HONG KONG FEDERATION OF EDUCATION WORKERS CIVIC EDUCATION ACTIVITIES FOUNDATION LIMITED | Company limited by guarantee | Live |
| HONG KONG EXTRA-CURRICULAR ACTIVITIES MASTERS' ASSOCIATION LIMITED | Company limited by guarantee | Live |
| HONG KONG ORGANIZING COMMITTEE FOR THE ACTIVITIES OF COMMEMORATION OF THE SINO-JAPANESE WAR CO. LIMITED | Private company limited by shares | Live |
| ELLIEN FOR MULTI ACTIVITIES CO., LIMITED | Private company limited by shares | Live |
| HONGKONG DELIGHT INTERNATIONAL MULTI ACTIVITIES CO., LIMITED | Private company limited by shares | Live |
| SAWAF FOR MULTI ACTIVITIES CO., LIMITED | Private company limited by shares | Dissolved |
| DI DI TONG MULTI ACTIVITIES COMPANY LIMITED | Private company limited by shares | Live |
| Activities Newspapers Limited | Private company limited by shares | Live |
| KEY POWER OUTREACH ACTIVITIES LIMITED | | Live |
| Cl (UK) Regulated Activities Limited | Private company limited by shares | Live |
| 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 |