| YIBANG SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK YICHENG SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHINA YIJING SCIENCE RESEARCH LIMITED | Private company limited by shares | Live |
| YIMING SCIENCE AND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HK YIRAN SCIENCE CO., LIMITED | | Live |
| YONGXIN DEDIAN SCIENCE AND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| YOUSENLANG SCIENCE AND TECHNOLOGY HONGKONG CO., LIMITED | Private company limited by shares | Live |
| CHINA INTERNATIONAL YOUTH SCIENCE AND CULTURE ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| World Youth Science and Technology Education Association Limited | | Live |
| KE YUAN SCIENCE LIMITED | Private company limited by shares | Dissolved |
| YUAN SCIENCE APPARATUS (H.K) LIMITED | Private company limited by shares | Dissolved |
| Su Yuan Science And Technology Co., Limited | Private company limited by shares | Live |
| Fang Yuan Standardization Science & Technology Limited | Private company limited by shares | Live |
| TSINGHUA YUAN SCIENCE & TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| YUANJIA SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Yuanxin TDK Science (HK) Technology Limited | Private company limited by shares | Live |
| YUJIE (HK) ENVIRONMENT PROTECTION SCIENCE & TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK YULIN SCIENCE AND TECHNOLOGY SHARE LIMITED | Private company limited by shares | Live |
| ShenZhen Yuncheng Science And Technology Limited | Private company limited by shares | Live |
| YUNDUAN BEAUTY SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK YUTINGFANG SCIENCE AND TECHNOLOGY OPEN UP GROUP LIMITED | Private company limited by shares | Dissolved |
| YUYANG SCIENCE TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| ZERO ONE SCIENCE TRADE LIMITED | Private company limited by shares | Live |
| ZETA SCIENCE LIMITED | Private company limited by shares | Live |
| ZEYUAN SCIENCE GROUP LIMITED | Private company limited by shares | Live |
| HK. ZHAOSHEN SCIENCE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Zhejiang Kuvag Electric Science Co., Limited | Private company limited by shares | Live |
| Zheng Tai Science and Technology Limited | Private company limited by shares | Live |
| Zheng Cheng Science And Technology Company Limited | Private company limited by shares | Live |
| ZhengQi(HK) Science & Technology Co., Limited | Private company limited by shares | Live |
| ZHENGXIN SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Zhenjiang (International) Science and Trade Development Limited | Private company limited by shares | Live |
| ZHIGOU Internet Science Co., Limited | Private company limited by shares | Dissolved |
| Zhihe Science And Technology Limited | Private company limited by shares | Live |
| ZHIYUAN SCIENCE & TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| ZHONG AN INTERNATIONAL SCIENCE INSTITUTE LIMITED | Private company limited by shares | Live |
| ZHONGHUA CULTURAL HERITAGE SCIENCE APPRAISAL LIMITED | Private company limited by shares | Live |
| ShenZhen ZhongJiaXun Science& Technology Co., Limited | Private company limited by shares | Live |
| Zhongrun Science and Technology Limited | Private company limited by shares | Live |
| ZHONGYING SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Zhongyuan Science Technology Co., Limited | Private company limited by shares | Live |
| ZONGZE SCIENCE LIMITED | Private company limited by shares | Live |
| Science&Aesthetic Limited | Private company limited by shares | Live |
| SciencEasy Limited | Private company limited by shares | Live |
| ScienceCare Limited | Private company limited by shares | Dissolved |
| SCIENCEDN LIMITED | Private company limited by shares | Live |
| CHINESE SCIENCE-EDUCATION FILM CULTURE DISSEMINATION LIMITED | Private company limited by shares | Live |
| VIC SCIENCE&EDUCATION GROUP LIMITED | Private company limited by shares | Live |
| SCIENCEMALL LIMITED | Private company limited by shares | Live |
| SCIENCEPHARMA LIMITED | Private company limited by shares | Live |
| SciencePool Limited | Private company limited by shares | Live |
| AMK SCIENCES LIMITED | Private company limited by shares | Live |
| OM SCIENCES COMPANY LIMITED | Private company limited by shares | Live |
| Chinese Top Healthcare Academy Of Sciences Limited | Private company limited by shares | Live |
| GLOBAL NOBEL ACADEMY FOR FUTURE SCIENCES LIMITED | | Live |
| Genetic research academy of sciences co., Limited | | Live |
| HONG KONG ACADEMY OF SCIENCES CO., LIMITED | Private company limited by shares | Live |
| HONG KONG ACADEMY OF ENGINEERING SCIENCES | Company limited by guarantee | Live |
| HONG KONG ACADEMY OF FINANCIAL SCIENCES LIMITED | Private company limited by shares | Live |
| HONG KONG ACADEMY OF SCIENCES HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ACADEMY OF SCIENCES LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ACADEMY OF LIFE SCIENCES LIMITED | | Live |
| HONG KONG ACADEMY OF MEDICAL SCIENCES LIMITED | Private company limited by shares | Live |
| HONG KONG ACADEMY OF SOCIAL SCIENCES LIMITED | | Live |
| TAO'S ACADEMY OF SCIENCES LIMITED | Private company limited by shares | Live |
| Albius Sciences Limited | Private company limited by shares | Live |
| ALLYSIAN SCIENCES LIMITED | Private company limited by shares | Live |
| CityU Biomedical Sciences Alumni Association Limited | Company limited by guarantee | Live |
| AMERICAN LIFE SCIENCES (HONG KONG) LIMITED | Private company limited by shares | Live |
| ARTS & SCIENCES (HK) COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Live |
| GX Sciences Asia Limited | Private company limited by shares | Live |
| Chinese Association of Blood Sciences Limited | Private company limited by shares | Live |
| Axiom Sciences Limited | Private company limited by shares | Live |
| Germany Baier Biological Sciences Co., Limited | Private company limited by shares | Live |
| Batter Bio Sciences Group Limited | Private company limited by shares | Live |
| BORBONE SCIENCES LIMITED | Private company limited by shares | Live |
| Brogent China Life Sciences HK Limited | Private company limited by shares | Live |
| DZOGCHEN FIVE SCIENCES (H.K.) BUDDHIST ASSOCIATION LIMITED | Company limited by guarantee | Live |
| CHINA SCIENCES CURING CHEST GROUP LIMITED | Private company limited by shares | Live |
| CHINA SCIENCES NANGUANG GROUP CO., LIMITED | Private company limited by shares | Live |
| CHINA SOCIAL SCIENCES PUBLISHING CO., LIMITED | Private company limited by shares | Live |
| CHINA CITY FENGSHUI ACADEMY SCIENCES LIMITED | Private company limited by shares | Live |
| ADVANCED SCIENCES INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| Hepta Sciences Co., Limited | | Live |
| Shinsun Bio Sciences Co., Limited | Private company limited by shares | Live |
| Cognisance Sciences Company Limited | Private company limited by shares | Live |
| CHINA COWFONG CREATE SCIENCES ACADEMY LIMITED | Private company limited by shares | Dissolved |
| Cytovant Sciences HK Limited | Private company limited by shares | Live |
| P&P DENTAL AND MEDICAL SCIENCES LIMITED | Private company limited by shares | Live |
| HK EDIAO INTERNATIONAL LIFE SCIENCES CO., LIMITED | Private company limited by shares | Live |
| CHINA SCIENCES GREEN ENERGY INVESTMENTS LIMITED | Private company limited by shares | Live |
| CHINA SCIENCES ENERGY GUOUP LIMITED | Private company limited by shares | Live |
| CHINA SCIENCES NEW ENERGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GeoSapience Energy Sciences Limited | Private company limited by shares | Live |
| HO WANG SHEA ENVIRONMENTAL SCIENCES LIMITED | Private company limited by shares | Dissolved |
| CHINA EXPERTS PROFESSIONALS ACADEMY OF SCIENCES LIMITED | Private company limited by shares | Dissolved |
| Albius Sciences (Feline) Limited | | Live |
| Five Sciences Investment Limited | | Live |
| Flow Sciences Asia Limited | Private company limited by shares | Live |
| FORTUNE DNA SCIENCES LIMITED | Private company limited by shares | Dissolved |