| China Sirun Culture Education Institute Share Limited | Private company limited by shares | Live |
| China Equity Investment Research Institute Shares Limited | Private company limited by shares | Live |
| China Environmental Engineering & Technology Research Institute Shares Limited | Private company limited by shares | Live |
| CHINA SHENYAN STEM CELL RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| Shenzhen-Hong Kong Research Institute Limited | | Live |
| SHE-POWER RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| SHICHIDA EDUCATIONAL INSTITUTE (HK) LIMITED | Private company limited by shares | Live |
| RESEARCH INSTITUTE OF H. K. TIN SHING FAN REN WEN CO. LIMITED | Private company limited by shares | Live |
| PW SHORE RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| CHINA SHUYUN TEA INSTITUTE LIMITED | Private company limited by shares | Live |
| SIX SIGMA INSTITUTE LIMITED | Company limited by guarantee | Live |
| GERMANY SILICONCORE TECHNOLOGY RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| Silk Road Institute Limited | Company limited by guarantee | Live |
| SILVA ULTRAMIND INSTITUTE OF CHINA LIMITED -THE- | Private company limited by shares | Live |
| SIMPLICITY MANAGEMENT INSTITUTE (HK) LIMITED | Private company limited by shares | Dissolved |
| Simply Bowls Institute Limited | Private company limited by shares | Live |
| SIMSON MEDICAL INSTITUTE LIMITED | Private company limited by shares | Live |
| Sincere Health Medical Institute Limited | Private company limited by shares | Live |
| SINO INTERNATIONAL DESIGN INSTITUTE LIMITED | Private company limited by shares | Live |
| SINO INSTITUTE OF CONTINUING EDUCATION LIMITED | Private company limited by shares | Live |
| Sino Institute of Humanistic and Transpersonal Psychologies Limited | Private company limited by shares | Live |
| Sino Culture Research Institute & Academy Co. Limited | Private company limited by shares | Dissolved |
| Sino African Research Institute Limited | Private company limited by shares | Live |
| Sino Gout Research Institute Company Limited | | Live |
| SINO YIJING ENTERPRISE RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| SINOCAPITAL FINANCE WISDOM INSTITUTE LIMITED | Private company limited by shares | Live |
| Sinohedge Research Institute Limited | Private company limited by shares | Live |
| HUAHE SINOLOGY RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| MAOSHAN WFH SINOLOGY INSTITUTE LIMITED | | Live |
| SINOTHINK INSTITUTE LIMITED | Private company limited by shares | Live |
| Institute of Skills and Technology Hong Kong Company Limited | Private company limited by shares | Live |
| GHB Skin Institute Limited | | Live |
| Tokyo Skin Institute Co., Limited | | Live |
| FRANCE SKIN RESEARCH INSTITUTE (GROUP) LIMITED | Private company limited by shares | Live |
| Tokyo Skin Research Institute Limited | | Live |
| INSTITUTE OF SMALL BUSINESS LIMITED -THE- | Private company limited by shares | Dissolved |
| ZHEJIANG SMES INNOVATIVE INSTITUTE LIMITED | Private company limited by shares | Live |
| LIANG'S BONESETTING INSTITUTE SMRITI LIMITED | Private company limited by shares | Live |
| SPANISH SOCCER INSTITUTE LIMITED | Private company limited by shares | Live |
| Asia-europe Institute of Society Development Limited | Private company limited by shares | Live |
| CHINA LEGAL SOCIETY INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| GREATER BAY AREA AI AND SOCIETY RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA INSTITUTE FOR SOFT STRENGTH LIMITED | Private company limited by shares | Dissolved |
| SoGene Institute Limited | Private company limited by shares | Live |
| Soil Foodweb Institute Hong Kong Limited | Private company limited by shares | Live |
| SOIL REGENERATION RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| 21 SOKEN SCIENCE & TECHNOLOGY INSTITUTE LIMITED | Private company limited by shares | Live |
| SOLO INTERNATIONAL EDUCATION INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| CHINA SOLOS FINANCIAL INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| SONGFENG CHINA TRADITIONAL CULTURE RESEARCH INSTITUTE LIMITED | Company limited by guarantee | Live |
| Institute of Soul Care Limited -The- | Private company limited by shares | Live |
| LIFE SOURCE INSTITUTE LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Jun-2014 |
| Asia Pacific Veterinary Specialist Institute Limited | Private company limited by shares | Live |
| INSTITUTE OF MEDICAL SPECIALISTS LIMITED | Private company limited by shares | Live |
| China Speed Reading Research Institute Limited | | Live |
| SPIRITUAL TECHNOLOGY INSTITUTE LIMITED | Private company limited by shares | Live |
| INSTITUTE OF SPIRITUALITY IN CHINESE CHRISTIANITY LIMITED -THE- | Private company limited by shares | Live |
| Splendor Finance Institute Limited | Private company limited by shares | Live |
| INSTITUTE OF CHINA SPONGE CITY LIMITED | Private company limited by shares | Live |
| ASIAN INSTITUTE OF SPORT LIMITED | Private company limited by shares | Live |
| Dr. Simon Yuen Orthopaedics and Sports Institute Limited | Private company limited by shares | Live |
| STANDARD R & T INSTITUTE LIMITED | Private company limited by shares | Live |
| China Star Painting & Calligraphy Institute Limited | Private company limited by shares | Live |
| CHINA STAR RESEARCH INSTITUTE CO., LIMITED | Private company limited by shares | Dissolved |
| STATE CULTURAL HERITAGE INSPECTION&TESTING INSTITUTE LIMITED | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF STEEL CONSTRUCTION LIMITED | Company limited by guarantee | Live |
| France Xianting Stem Cell Reconstruction Factor Institute Limited | | Live |
| STEMM Institute Press Limited | | Live |
| CHINA STONE INSTITUTE COMPANY LIMITED | Private company limited by shares | Live |
| CHINA GRAND INSTITUTE OF STRATAGEM LIMITED | Private company limited by shares | Live |
| TBR Strategic Institute Limited | Company limited by guarantee | Live |
| Institute of Industrial Strategies Across the Straits Limited | Private company limited by shares | Live |
| INSTITUTE OF CERTIFIED FINANCIAL STRATEGIST LIMITED -THE- | Private company limited by shares | Dissolved |
| HONG KONG INSTITUTE OF ECONOMIC STRATEGY LIMITED | Private company limited by shares | Live |
| China institute of Stretch marks Co., Limited | | Live |
| INSTITUTE OF COLD-FORMED METAL STRUCTURES LIMITED -THE- | Private company limited by shares | Live |
| INSTITUTE FOR ASIAN LEGAL STUDIES LIMITED | Company limited by guarantee | Dissolved |
| Chan Institute of Social Studies (CISS) Limited | Private company limited by shares | Live |
| China Studies Institute Limited | Private company limited by shares | Live |
| INSTITUTE FOR CHINA STUDIES LIMITED | | Live |
| CHINESE TAIJI STUDIES INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| Institute of Innovation Studies in Finance Limited -The- | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF PODIATRIC STUDIES LIMITED -THE- | Company limited by guarantee | Dissolved |
| INSTITUTE FOR GREATER CHINA STUDIES (IGCS) LIMITED | Company limited by guarantee | Live |
| INSTITUTE FOR INNER STUDIES LIMITED | Private company limited by shares | Live |
| HMT INSTITUTE OF CHINESE LEGAL STUDIES LIMITED -THE- | Company limited by guarantee | Dissolved |
| INSTITUTE OF SINO-CHRISTIAN STUDIES LIMITED | Company limited by guarantee | Live |
| China Cross-Strait Economic Study Institute Limited | | Live |
| China Suantang Research Institute Industry Limited | | Live |
| Asian Sub-health Physical Therapy Institute HK Limited | Private company limited by shares | Live |
| INSTITUTE OF SUCCES D'ESTIME COMPANY LIMITED -THE- | Private company limited by shares | Live |
| Education Abroad Summer Institute Limited | Private company limited by shares | Live |
| Sungo Technology (Hong Kong) Institute Limited | Private company limited by shares | Dissolved |
| HK NEW SUNSHINE EDUCATION RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| WORLD DREAM SUNSHINE CULTURAL RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| HK KEDA SUNSOURCES RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| SUPER RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| China Supercomputing Research Institute Limited | Private company limited by shares | Live |
| ASIAN PLASTIC SURGERY INSTITUTE LIMITED | Private company limited by shares | Live |
| ASIAN COSMETIC SURGERY INSTITUTE CO., LIMITED | Private company limited by shares | Live |