| KEI TAK INSTITUTION OF OLD AGE LIMITED | Private company limited by shares | Live |
| KAI YAN INSTITUTION OF OLD AGE LIMITED | Private company limited by shares | Live |
| INSTITUTION LIMITED -THE- | Private company limited by shares | Live Commenced dormancy on 18-Dec-2012 |
| PFP Institution Limited | Private company limited by shares | Live |
| Tao Institution Limited | Private company limited by shares | Live |
| CCD Institution Limited | Company limited by guarantee | Live |
| Asia Art Institution Limited | Private company limited by shares | Live |
| BILLIONS INSTITUTION LIMITED | | Live |
| Asia Pacific Blockchain Research Institution Limited | Private company limited by shares | Live |
| China Community Service Research Institution Limited | Private company limited by shares | Live |
| CHINESE SINOLOGY RESEARCH INSTITUTION CO., LIMITED | Private company limited by shares | Live |
| PHOENIX CONTEMPORARY ART CREATIVE INSTITUTION LIMITED | Private company limited by shares | Live |
| New Dragon Institution Limited | Private company limited by shares | Live |
| Creative Institution Holding Company Limited | Private company limited by shares | Live |
| KAI YAN INSTITUTION OF OLD AGE ( YUEN LONG ) LIMITED | Private company limited by shares | Live |
| The Pacific Institution Limited | | Live |
| Smart Institution Limited | | Live |
| YIMALUILI INSTITUTION LIMITED | Company limited by guarantee | Live |
| Institutional Capital Advisory Limited | Private company limited by shares | Live |
| Creative Institutional Catering Limited | Private company limited by shares | Dissolved |
| CHINA INSTITUTIONAL INVESTORS CENTER CO., LIMITED | Private company limited by shares | Dissolved |
| Institutional Capital Connect Limited | Private company limited by shares | Live |
| INSTITUTIONAL MANAGEMENT CONSULTANTS, LIMITED | Private company limited by shares | Dissolved |
| FRANKLIN TEMPLETON INSTITUTIONAL ASIA LIMITED | Private company limited by shares | Dissolved |
| GLOBAL INSTITUTIONAL FUND SERVICE LIMITED | Private company limited by shares | Dissolved |
| INSTITUTIONAL FUNDS ADVISORS LIMITED | Private company limited by shares | Dissolved |
| Global Institutional Solutions, Limited | Private company limited by shares | Dissolved |
| GUANGDONG-HONG KONG-MARCO INSTITUTIONAL TRADING MARKET LIMITED | Private company limited by shares | Live |
| ISC - INSTITUTIONAL SERVICE CENTRE H.K. LIMITED | Private company limited by shares | Dissolved |
| International MCN Institutional Alliance Co., Limited | | Live |
| INTERNATIONAL INSTITUTIONAL INVESTORS CLUB LIMITED | Private company limited by shares | Dissolved |
| INSTITUTIONAL INVESTOR (ASIA) LIMITED | Private company limited by shares | Dissolved |
| INSTITUTIONAL LIQUIDITY LIMITED | Private company limited by shares | Live |
| CHINA MEDICAL RESEARCH ETHICS INSTITUTIONAL REVIEW BOARD LIMITED | Private company limited by shares | Live |
| INSTITUTIONAL INVESTMENT GROUP (ASIA PACIFIC) LIMITED | Private company limited by shares | Live |
| PROFESSIONAL INSTITUTIONAL CATERING LIMITED | Private company limited by shares | Live |
| INSTITUTIONAL SERVICES (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| INSTITUTIONAL SERVICES (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Institutional Shareholder Services (Hong Kong) Limited | Private company limited by shares | Live |
| INSTITUTIONAL INVESTORS SERVICES CO. LIMITED | Private company limited by shares | Dissolved |
| Millennium Institutional Services (Asia) Limited | Private company limited by shares | Live |
| HSBC INSTITUTIONAL TRUST SERVICES (ASIA) LIMITED | Public company limited by shares | Live |
| HAINING INSTITUTIONAL TEXTILE CO., LIMITED | Private company limited by shares | Live |