| 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 |
| Australian Music Institute Limited | Private company limited by shares | Live |
| China New Energy Auto and AI R&D Institute Limited | Private company limited by shares | Live |
| China New Energy Automobile Research Institute Limited | Private company limited by shares | Live |
| INSTITUTE OF AUTOMOTIVE INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| AVALOKITESHVARA INSTITUTE LIMITED | Company limited by guarantee | Live |
| AVIATION INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA INSTITUTE FOR AVIATION AND FINANCE LIMITED | Company limited by guarantee | Live |
| CHONG QING AVIATION INSTITUTE LIMITED | Private company limited by shares | Live |
| Aviman Institute Limited | Private company limited by shares | Live |
| Hong Kong Institute of Excellence Awards Limited | Private company limited by shares | Live |
| Pure Awareness Institute Limited | Private company limited by shares | Live |
| Hong Kong Institute Of Bacteriotherapy Limited | Private company limited by shares | Live |
| BAIJIN HUI AGRICULTURE FUTURE INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA TEA-FLAVOR BAIJIU RESEARCH INSTITUTE LIMITED | | Live |
| CHINA BAKERY MANAGEMENT INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA BANGSHU RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| Banny Cosmic (International) Red Wine Institute Limited | Private company limited by shares | Live |
| Banyan Education Institute Limited | Private company limited by shares | Dissolved |
| CHINA BAO'S CULTURE INSTITUTE LIMITED | Private company limited by shares | Live |
| Barkshire Investment Institute Limited | Private company limited by shares | Live |
| BARRISOL INTERNATIONAL MEMBRANE STRUCTURE DESIGN INSTITUTE LIMITED | Private company limited by shares | Live |
| BASIC LAW INSTITUTE LIMITED | Company limited by guarantee | Live |
| Bauhinia Institute Company Limited -The- | Private company limited by shares | Live |
| BEATITUDES INSTITUTE LIMITED -THE- | Private company limited by shares | Live |
| BEAUTISKILL INSTITUTE LIMITED | Private company limited by shares | Live |
| NATURE OF BEAUTY INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| SHOW BEAUTY INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| BEIDOU TECHNOLOGY RESEARCH INSTITUTE LIMITED | | Live |
| CHINA XU BEIHONG ART RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| CHINA XU BEIHONG MODERN ART RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| Beijing Cultural Exchange Institute Branch Limited | Private company limited by shares | Live |