| ACEQ SCIENCE AND TECHNOLOGY GROUP CO., LIMITED | Private company limited by shares | Live |
| QIAN YANG ADHESIVE SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ADVANCED SCIENCE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Dragon Aerospace Science Limited | Private company limited by shares | Live |
| Ren Laifeng Agricultural Science Group Co., Limited | | Live |
| CHINA XINGHUO AGRICULTURAL SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HOLLAND ANAMU AGRICULTURAL SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LVSHUI AGRICULTURAL SCIENCE AND TECHNOLOGY LIMITED | | Live |
| SHIJIN AGRICULTURAL SCIENCE AND TECHNOLOGY LIMITED | | Live |
| USA AILESHI CROP SCIENCE LIMITED | Private company limited by shares | Live |
| ALLIED SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ALLONS SCIENCE LIMITED | Private company limited by shares | Live |
| ALLWANG SCIENCE TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| Alpha Healthcare & Life Science Consulting Limited | Private company limited by shares | Live |
| HKU SCIENCE ALUMNI ASSOCIATION LIMITED | Company limited by guarantee | Live |
| AMAZING HEALTH SCIENCE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| AMAZON SCIENCE RESEARCH LIMITED | Private company limited by shares | Live |
| Amazon Science & Technology Company Limited | Private company limited by shares | Live |
| America Medic & Science, AMS Limited | Private company limited by shares | Live |
| AMERICA SUNNY SCIENCE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| AMERICA NEW FACE SCIENCE TECHNOLOGY EXPLOITURE COMPANY LIMITED | Private company limited by shares | Dissolved |
| America C&H Science and Technology (HK) Limited | Private company limited by shares | Live |
| American Life Science Pharmaceutical Co., Limited | | Live |
| AMERICAN SCIENCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| American Life Science Center Limited | Private company limited by shares | Live |
| American Science and Engineering Technology Co., Limited | Private company limited by shares | Live |
| AMERICAN LIFE SCIENCE & TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| AMUSING SCIENCE LIMITED | Company limited by guarantee | Live |
| ANGLING SCIENCE LIMITED | Private company limited by shares | Dissolved |
| BEI ANTONG SCIENCE AND TRADE COMPANY LIMITED | Private company limited by shares | Live |
| ANYAN SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Aoran Science & Technology Limited | Private company limited by shares | Live |
| AOSEN SCIENCE (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| XINQIANG AOZHI SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Apollo Solar Science & Technology Limited | Private company limited by shares | Dissolved |
| ARFID SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ARIES SCIENCE LIMITED | | Live |
| AromaSphere Science & Culture Co., Limited | | Live |
| Artall Science and Technology (HK) Co., Limited | Private company limited by shares | Live |
| Science Arts Limited | Private company limited by shares | Live |
| ARTS AND SCIENCE COMPANY LIMITED | | Live |
| HUANAN ARTS & SCIENCE COLLEGE LIMITED | Private company limited by shares | Dissolved |
| VICTORIA SCIENCE TECHNOLOGY & ARTS CENTER COMPANY LIMITED | Private company limited by shares | Dissolved |
| TPS SCIENCE ASIA LIMITED | Private company limited by shares | Dissolved |
| BREWER SCIENCE ASIA LIMITED | Private company limited by shares | Live |
| Asia-Europe Silk Road Science and Technology Limited | Private company limited by shares | Live Commenced dormancy on 10-Sep-2018 |
| AsiaFly Science & Technology CO., Limited | Private company limited by shares | Live |
| ASTRAL SCIENCE AND CONSCIOUSNESS ASSOCIATION LIMITED | Company limited by guarantee | Live |
| Atlantic-Pacific Life Science Intl Co., Limited | Private company limited by shares | Live |
| Atlantis Science Limited | Private company limited by shares | Live |
| AUNRIVER SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| AUSTRALIAN KANGAROO CROP SCIENCE (CHINA) LIMITED | Private company limited by shares | Live |
| AUTEK SCIENCE AND TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| Yongfeng Automation Science and Technology Limited | Private company limited by shares | Dissolved |
| SCIENCE IS AWESOMER LIMITED | | Live |
| Axiom Science Corporation Limited | Private company limited by shares | Live |
| BAINA LIFE SCIENCE (HK) LIMITED | Private company limited by shares | Live |
| HUAXIN BAINA SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| The Forest Bakery (Science Park) Limited | | Live |
| BAMBOO STONE SCIENCE AND TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live Commenced dormancy on 28-Apr-2016 |
| HUI BANG SCIENCE AND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Bangchen Color-Jet Science & Technology Co., Limited | Private company limited by shares | Live |
| BANGYONG SCIENCE AND TRADE CO., LIMITED | Private company limited by shares | Live |
| BAOMING SCIENCE & TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| BASICA BIOCHEMICAL AND SCIENCE CO., LIMITED | Private company limited by shares | Live |
| USA APPLE BATHROOM SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ATHENA BEAUTY SCIENCE LIMITED | Private company limited by shares | Dissolved |
| SEA SUPPLY BEAUTY SCIENCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN BECAVE SCIENCE & TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Beidou New Science IOT Technology Limited | Private company limited by shares | Live |
| Beidou Science International Trade Co., Limited | Private company limited by shares | Live |
| BEIJING CENTURY SCIENCE DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| Beijing XDX (HK) Science and Technology Co., Limited | | Live |
| BEIJING JOVIAN SCIENCE & TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| BESNT (HK) SCIENCE CO., LIMITED | Private company limited by shares | Live |
| BETHEL SCIENCE CO., LIMITED | Private company limited by shares | Dissolved |
| HK PEACEFUL BETTE LIFE ACADEMY OF SCIENCE LIMITED | Private company limited by shares | Dissolved |
| Betterment Science Limited | Private company limited by shares | Live |
| Beyond Science And Technology Co., Limited | Private company limited by shares | Live |
| BINLI SCIENCE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BINTEL SCIENCE CO. LIMITED | Private company limited by shares | Dissolved |
| BIO-BRIDGE SCIENCE (HK) CO., LIMITED | Private company limited by shares | Live |
| BIO-CHEM SCIENCE (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Bio-Grand BioMedical Science Co., Limited | Private company limited by shares | Live |
| Hong Kong Beauty Biological Science Limited | Private company limited by shares | Live |
| Zhenxiang Biological Science Technology Co., Limited | Private company limited by shares | Live |
| MING HAO BIOLOGICAL SCIENCE AND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| AMERICA AMITE BIOLOGY SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CHINA CORDYCEPS BIOLOGY SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK JIMEI BIOLOGY SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| USA SHUANGYI BIOLOGY SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK BIOLOGY SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Dongchen Biology Science And Technology Limited | | Live |
| HAOYU BIOLOGY SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK XIZI BIOLOGY SCIENCE LIMITED | Private company limited by shares | Live |
| Bio-Med Science International Limited | Private company limited by shares | Live |
| Bio-One Science Limited | Private company limited by shares | Live |
| Biorecon Science And Technology Co., Limited | Private company limited by shares | Live |
| Science without Borders Limited | Private company limited by shares | Live |
| NATURE BRIGHT BOTANIC SCIENCE INTERNATIONAL LIMITED | Private company limited by shares | Live |