| EASTERN AIDS RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| CHINA ALLIANCE INSTITUTE LIMITED | Private company limited by shares | Live |
| ALLIED-UNION GLOBAL INSTITUTE & FOUNDATION LIMITED | Private company limited by shares | Live |
| ALPHA INSTITUTE ASIA LIMITED | Private company limited by shares | Live |
| Alpha Cantonese Music Institute Company Limited | Private company limited by shares | Dissolved |
| CHUNG YEH INSTITUTE ALUMNI ASSOCIATION LIMITED | Company limited by guarantee | Live |
| ALUMNI OF BUDDHISM RESEARCH INSTITUTE OF (HK) CHU HAI COLLEGE LIMITED | Company limited by guarantee | Live |
| AMAZING ARTS INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| America Stem Education Institute Limited | Private company limited by shares | Live |
| AMERICA TONG HUO GROUP ECONOMY & ART INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| AMERICAN BEAUTY INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| American Biomedical Research Institute Limited | | Live |
| American Institute of Health Research Limited | | Live |
| AMERICAN MANAGEMENT INSTITUTE LIMITED | Private company limited by shares | Live |
| American Medical Research Institute Limited | | Live |
| American Institute of Pizza (Shanghai) Limited | Private company limited by shares | Dissolved |
| AMERICAN SIRREFORD INSTITUTE OF BIOLOGY CO., LIMITED | | Live |
| AMERICAN INSTITUTE OF BUSINESS AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| BEHAVIORAL ANALYST INSTITUTE LIMITED | Company limited by guarantee | Live |
| HONG KONG INSTITUTE OF ANALYTICAL PSYCHOLOGY LIMITED -THE- | Company limited by guarantee | Live |
| CHINA ANCESTRAL HALL CULTURE INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA TRAFFIC PRESTRESSED ANCHORAGE MECHANICAL TECHNOLOGY INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINESE ANCIENT ART INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| US Angolo Institute of Stomatology Limited | Private company limited by shares | Dissolved |
| CHINA INSTITUTE OF ANORECTAL AND COLONIC MEDICINE LIMITED | Private company limited by shares | Live |
| ASIA ANTI-AGE RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| ANTIOCH INSTITUTE LIMITED | Company limited by guarantee | Dissolved |
| APOSAR INSTITUTE LIMITED | Private company limited by shares | Live |
| China Yi-ology Application Research Institute Limited | Private company limited by shares | Dissolved |
| Hong Kong BDS Application Research Institute Limited | Private company limited by shares | Live |
| CHINA APPLICATION SCIENCE RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| Institute for Research in Blockchain Strategy and Application Company Limited | Private company limited by shares | Live |
| Institute of Plastic Technology and Application Limited | Private company limited by shares | Live |
| Research institute for Technology Application Limited | Private company limited by shares | Live |
| INSTITUTE OF APPLICATIONS IN ACADEMIA AND INDUSTRY LIMITED | Company limited by guarantee | Live |
| ASIA PACIFIC INSTITUTE FOR APPLIED PSYCHOLOGY LIMITED | Private company limited by shares | Live |
| CHINESE ART APPRAISAL INSTITUTE LIMITED | Private company limited by shares | Live |
| CAS CULTURAL HERITAGE APPRAISAL INSPECTION & TESTING TECHNOLOGY CHEMISTRY INSTITUTE LIMITED | Private company limited by shares | Live |
| China Approbation Management Research Institute Limited | Private company limited by shares | Live |
| ASIAN INSTITUTE OF ARBITRATORS LIMITED | Private company limited by shares | Live |
| South China Institute of Arbitrators Limited | Company limited by guarantee | Live |
| HONG KONG INSTITUTE OF ARBITRATORS | Company limited by guarantee | Live |
| Institute of Arboriculture Studies (Hong Kong) Limited | Private company limited by shares | Live |
| Arborist Training Institute Limited | Private company limited by shares | Live |
| CHINA ARCHI100 RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| China Landscape Architect Research Institute Limited | Private company limited by shares | Dissolved |
| INSTITUTE OF SOFTWARE ARCHITECTS LIMITED | Company limited by guarantee | Dissolved |
| HK MULAN ARCHITECTURAL DESIGNING INSTITUTE LIMITED | Private company limited by shares | Live |
| HK ARCHITECTURE FENGSHUI INSTITUTE LIMITED | Private company limited by shares | Live |
| Investment Institute of the GHM Greater Bay Area Limited | Private company limited by shares | Live |
| Arioso Music and Art Institute Limited | Private company limited by shares | Live |
| Hong Kong Institute of Aromatherapy Limited | Private company limited by shares | Live |
| ASIA ARTICLE MANAGEMENT INSTITUTE LIMITED | Private company limited by shares | Live |
| INSTITUTE OF BAKING ARTS LIMITED -THE- | Private company limited by shares | Live |
| MING RI INSTITUTE FOR ARTS EDUCATION LIMITED | Company limited by guarantee | Live |
| INSTITUTE OF ELECTRONIC ARTS LIMITED | Private company limited by shares | Dissolved |
| Institute for English Arts Limited | | Live |
| CHINA RESEARCH INSTITUTE OF ARTS AND HUMANITIES LIMITED | Private company limited by shares | Live |
| Institute of Sports and Arts Hong Kong Limited | Private company limited by shares | Live |
| MO PUN ARTS RESEARCH INSTITUTE LIMITED | Company limited by guarantee | Dissolved |
| ASEAN INTERNATIONAL BUSINESS COMMUNICATION INSTITUTE LIMITED | Private company limited by shares | Live |
| ASEAN INSTITUTE OF ECONOMIC RESEARCH AND DEVELOPMENT LIMITED | Private company limited by shares | Live |
| CRM INSTITUTE OF ASIA LIMITED | Private company limited by shares | Dissolved |
| ASIA AV INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| Asia Spa Institute Limited | Private company limited by shares | Dissolved |
| PAN Asia Institute Limited | Private company limited by shares | Dissolved |
| ASIA EYE INSTITUTE LIMITED | Private company limited by shares | Live |
| ASIA HAIR AND SKIN IMPROVEMENT RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| ASIA PLASTIC INSTITUTE LIMITED | | Live |
| Asia Research Institute Limited | Private company limited by shares | Live |
| ASIA AI RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| ASIA AEROSPACE SPECIAL MATERIALS APPLICATIONS RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL DIABETES DIET RESEARCH INSTITUTE (ASIA) LIMITED | Private company limited by shares | Live |
| Asia Skin Technology Anti-aging Research Institute Limited | Private company limited by shares | Live |
| ASIA STRATEGY INSTITUTE COMPANY LIMITED | Private company limited by shares | Live |
| WINE INSTITUTE OF ASIA LIMITED -THE- | Private company limited by shares | Live |
| ASIA WINE INSTITUTE LIMITED | Private company limited by shares | Live |
| Asia-europe Business Institute Limited | Private company limited by shares | Live |
| Asian Jewelry Business Institute Limited | Private company limited by shares | Live |
| ASIAN CROWDFUNDING RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| ASIAN INSTITUTE OF EXECUTIVES LIMITED | Private company limited by shares | Dissolved |
| ASIAN MONETARY INSTITUTE LIMITED | Private company limited by shares | Live Commenced dormancy on 10-Apr-1997 |
| Kaizen Institute Asia-Pacific Limited | Private company limited by shares | Live Ceased dormancy on 11-Jan-2013 |
| INSTITUTE OF ASIA-PACIFIC WEALTH MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| AsiaSoft Institute Limited | Private company limited by shares | Live |
| Global Education Assessment Institute Limited | Private company limited by shares | Live |
| INNAC - National Institute for Conformity Assessment of Products Limited | Private company limited by shares | Live |
| Chinese Institute of Digital Assets Limited | Private company limited by shares | Live |
| ASSIST INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| ASSIST INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| INSTITUTE ASSOCIATES CO., LIMITED | Private company limited by shares | Dissolved |
| CHI WAI TONG CHINESE INSTITUTE ASSOCIATION LIMITED | Private company limited by shares | Live |
| Astor Institute Limited | Private company limited by shares | Dissolved |
| Research Institute of Yoga and Astrology Limited | | Live |
| AUDIENCE RESEARCH INSTITUTE OF CHINA LIMITED | Private company limited by shares | Live |
| AURORA COLLEGE & HONG KONG INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| AURORA NEW ENERGY MATERIALS RESEARCH INSTITUTE LIMITED | | Live |
| Zhonghua Auspicious Culture Research Institute Limited | Private company limited by shares | Live |
| Australasia Institute of Entrepreneurship Australia (HK) Limited | Private company limited by shares | Live |
| AUSTRALIAN INSTITUTE OF EDUCATION LIMITED | Company limited by guarantee | Dissolved |