| CHINA CALLIGRAPHY EDUCATION INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA HUAISU CALLIGRAPHY RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA LUCKY CALLIGRAPHY RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| China Enterprise Calligraphy Research Institute Limited | Private company limited by shares | Live |
| CHINA MAO SCRIPT CALLIGRAPHY RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| China Womanese Calligraphy Art Research Institute Limited | Private company limited by shares | Live |
| Chinese Kung Fu Calligraphy Research Institute Limited | | Live |
| CHINESE PAINTING AND CALLIGRAPHY INSTITUTE GOLD LIMITED | Private company limited by shares | Dissolved |
| CHINESE GUOXUE PAINTING AND CALLIGRAPHY INSTITUTE LIMITED | Private company limited by shares | Live |
| HUANGSHAN PAINTING AND CALLIGRAPHY RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| PEOPLE PAINTING AND CALLIGRAPHY RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| Chinese Han Dynasty Calligraphy Research Institute Limited | Private company limited by shares | Live |
| Cambridge Wellbeing Institute (Asia) Limited | Private company limited by shares | Live |
| HK EBM CANCER INSTITUTE LIMITED | Private company limited by shares | Live |
| UNIFAITH CANCER INSTITUTE LIMITED | Private company limited by shares | Live |
| CAND INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA CANG YI RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| HK CaoGen Mom International Entrepreneurship Institute Limited | Private company limited by shares | Live |
| Greater Bay Area Human Capital Institute Limited | Private company limited by shares | Live |
| QIAN HAI CAPITAL INSTITUTE LIMITED | Private company limited by shares | Live |
| Asia Carbon Institute Limited | | Live |
| Asia Institute for Carbon Neutrality LIMITED | | Live |
| INSTITUTE OF CARBON CREDIT LIMITED | Private company limited by shares | Dissolved |
| Low Carbon Energy Technology Research Institute Limited | | Live |
| HK GREEN CARBON NEUTRAL INSTITUTE CO., LIMITED | | Live |
| China Low Carbon Economy Research Institute Limited | Private company limited by shares | Dissolved |
| Shanghai Low Carbon Urban Design Institute Limited | Private company limited by shares | Live |
| Universal Carbon Oil Research Institute Co., Limited | Private company limited by shares | Live |
| CHANYI CARCINOMA INSTITUTE LIMITED | Private company limited by shares | Live |
| INSTITUTE OF CARDIO-THORACIC DISEASES LIMITED | Private company limited by shares | Dissolved |
| China Research Institute of Career education Limited | Private company limited by shares | Live |
| Canary Institute of Education and Career Development Limited | Company limited by guarantee | Live |
| CAREGIVER INSTITUTE OF EXCELLENCE (ASIA PACIFIC) LIMITED | | Live |
| CARITAS INSTITUTE OF HIGHER EDUCATION LIMITED | Company limited by guarantee | Live |
| CATHOLIC INSTITUTE FOR RELIGION AND SOCIETY LIMITED | Company limited by guarantee | Live |
| CHINA FAMOUS CELEBRITIES PAINTING & CALLIGRAPHY RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA CELEBRITY CALLIGRAPHY INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| Institute for Celebrity Learners Co., Limited | Private company limited by shares | Live |
| American Institute of Cell Medicine Limited | | Live |
| GLOBAL STEM CELLS INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| SWISS RUORAN CELLS MEDICAL RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA FAMILY CENEALOGY COMPILATION INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| Central Language Institute Limited | Private company limited by shares | Dissolved |
| CHINA CERAMIC ART INSTITUTE LIMITED | Private company limited by shares | Live |
| CETACEA RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA CHAN & DAO INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA XU CHAN FENGSHUI INSTITUTE LIMITED | Private company limited by shares | Live |
| CHANCELLOR TRAINING INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| CHINA CHANGES AND ECONOMICS INSTITUTE LIMITED | Private company limited by shares | Live |
| CHANGJINSUO CHINA RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| CHANT ARCHITECTURE DESIGN INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA CHAOSHANG ECONOMIC RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| Institute of Name Study on Chinese Characters Limited | | Live |
| CHARLES YU INTERACTIVE INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| HK INSTITUTE OF CHARTERED ECONOMICS ANALYST LIMITED | Private company limited by shares | Live |
| Chartered Institute of China Family Office Limited | Private company limited by shares | Live |
| INSTITUTE OF CHARTERED FINANCIAL ENGINEERS LIMITED | Company limited by guarantee | Live |
| Institute of Chartered Investment Practitioners Company Limited | Private company limited by shares | Dissolved |
| Institute of Chartered Investors Limited | Company limited by guarantee | Live |
| Institute of Chartered Paralegals and Mediators Limited | Private company limited by shares | Live |
| HK CHEFU SPOT SCAR BLAIN BIOLOGICAL RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| Institute Of Chemical Safety Limited | | Live |
| HK CHENPAI MODELING MAKE UP INSTITUTE (CHINA) LIMITED | Private company limited by shares | Live |
| CHERAF VOCATIONAL EDUCATION RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| CHRISTIAN CHERITH MINISTRY INSTITUTE LIMITED -THE- | Company limited by guarantee | Live |
| CHESTER INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| Chia Tai New Materials Research Institute Limited | Private company limited by shares | Live |
| TAI-CHI CH'I-GUNG INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| CFA Institute China Limited | Private company limited by shares | Live |
| CHINA DAO INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA ART INSTITUTE LIMITED | Private company limited by shares | Live |
| China Institute Of Learning Ability Limited | Private company limited by shares | Live |
| China Achievement Institute Limited | Private company limited by shares | Live |
| China Acumoxi Han Bio Institute Limited | Private company limited by shares | Live |
| CHINA ANGEL INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA ANTI-AGING RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA AUTOLOGOUS FAT INSTITUTE LIMITED | Private company limited by shares | Live |
| Institute of Autonomous Driving Technology of China Limited | | Live |
| CHINA BEAUTY RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| China Beauty Research Institute Limited | Private company limited by shares | Live |
| CHINA BIGDATA RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA INSTITUTE OF TEA BUSINESS LIMITED | Private company limited by shares | Live |
| CHINA BUSINESS RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| CHINA BUSINESS INSTITUTE FOR RESEARCH LIMITED | Private company limited by shares | Live |
| China Business Research Institute Limited | | Live |
| China Venture Business Institute Limited | Private company limited by shares | Live |
| CHINA CEO WISDOM BUSINESS INSTITUTE LIMITED | Private company limited by shares | Live |
| ZIWEI PAINTING AND CALLIGRAPHY INSTITUTE (CHINA) LIMITED | Private company limited by shares | Live |
| CANADIAN CHINA INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| CHINA CANCER INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA INSTITUTE OF CANCER RESEARCH LIMITED | Company limited by guarantee | Dissolved |
| China Ca-Neutrality R&D Institute Limited | | Live |
| Central China IOT Research Institute Limited | Private company limited by shares | Dissolved |
| CHINA BLOCK CHAIN RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA SUPPLY CHAIN INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA CHANKANG RESEARCH INSTITUTE LIMITED | | Live |
| CHINA CHASHU RESEARCH INSTITUTE LIMITED | | Live |
| Research Institute For Commercial Real-Estate Of China Limited | Private company limited by shares | Live |
| CHINA COMMON SERVICE RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA CONTEMPORARY ART INSTITUTE LIMITED | Private company limited by shares | Dissolved |