| FO GUANG SCIENCE FOUNDATION LIMITED | Private company limited by shares | Live |
| Guang Xiao Science Company Limited | Private company limited by shares | Live |
| GUANGDONG DAHAO DAILY SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HECHUANG GUANGHONG SCIENCE & TECHNOLOGY CO., LIMITED | | Live |
| Guangzhou Super-Creative Science And Technology Limited | Private company limited by shares | Live |
| GUANGZHOU TUOTIAN SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GUOKE HUAQING SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GUOSHAN SCIENCE LIMITED | Private company limited by shares | Live |
| GUYUTANG MEDICAL SCIENCE CO., LIMITED | Private company limited by shares | Live |
| HAMPOO SCIENCE & TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| HANGZHOU GUANGMINGHUI SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Hangzhou Heller Science And Technology Co., Limited | Private company limited by shares | Live |
| Hansha Science and Technology Group Co., Limited | Private company limited by shares | Live |
| Hanwealth Science and Technology Co., Limited | Private company limited by shares | Live |
| HAOSAIL SCIENCE CO., LIMITED | | Live |
| Haoxiang Science And Technology Limited | Private company limited by shares | Live |
| Haoyi Science Co., Limited | | Live |
| HARBOUR SCIENCE LIMITED | Private company limited by shares | Dissolved |
| US Harvard Science Education Co., Limited | Private company limited by shares | Live |
| HARVEST SCIENCE INTERNATIONAL GROUP CORPORATION LIMITED | Private company limited by shares | Live |
| Harvest Crop Science Pvt Limited | | Live |
| HAVILAH NATURE SCIENCE LIMITED | Private company limited by shares | Live |
| HAWXICO SCIENCE CO., LIMITED | Private company limited by shares | Live |
| HAZT SCIENCE & TECHNOLOGY CO. LIMITED | Private company limited by shares | Dissolved |
| H-CENTER SCIENCE TRADE CO., LIMITED | Private company limited by shares | Live |
| Shenyang Head Science & Technology Corporation Limited | Private company limited by shares | Live |
| SCIENCE HEALTH TCM LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jan-2016 |
| FA Health Science Limited | Private company limited by shares | Live |
| SCIENCE & HEALTH ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| HEALTH SCIENCE COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Deyitang Health Science Co. Limited | Private company limited by shares | Live |
| SCIENCE HEALTH HOLDING LIMITED | Private company limited by shares | Live |
| SCIENCE HEALTH TCM NETWORKS LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jan-2016 |
| Pacific Health Science Limited | Private company limited by shares | Live |
| CHINA HEALTH AGRICULTURAL SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Healway Science HK Limited | Private company limited by shares | Live |
| HEZI SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| HIWIDE SCIENCE & TECHNOLOGY HONGKONG CO., LIMITED | Private company limited by shares | Dissolved |
| NK SCIENCE (HK) LIMITED | Private company limited by shares | Dissolved |
| MAD SCIENCE (HK) LIMITED | Private company limited by shares | Dissolved |
| HD SCIENCE (HK) LIMITED | Private company limited by shares | Live |
| ECO SCIENCE (H.K) LIMITED | Private company limited by shares | Live |
| SCIENCE INFORMATION & DEMOCRACY (H.K.) ADVERTISING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHASE SCIENCE (HK) LIMITED | Private company limited by shares | Dissolved |
| SONG ZI CHENG (HK) SCIENCE LIMITED | Private company limited by shares | Live |
| FUXISHI (HK) SCIENCE CO., LIMITED | Private company limited by shares | Live |
| Morpheus (HK) Science and Technology Development Limited | Private company limited by shares | Live |
| NANDA (HK) SCIENCE & TECHNOLOGY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| YUYUAN (HK) SCIENCE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| H.K. FAIRWIN SCIENCE & TECHNOLOGY INT'L LIMITED | Private company limited by shares | Dissolved |
| JuLiTang (HK) Biological Science and Technology Limited | Private company limited by shares | Live |
| KENWA SCIENCE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| AMINO UP (HK) LIFE SCIENCE LIMITED | Private company limited by shares | Live |
| H.K. MANAGEMENT ACADEMY OF SCIENCE LIMITED | Private company limited by shares | Dissolved |
| H.K. ACADEMY OF MANAGEMENT SCIENCE CO., LIMITED | Private company limited by shares | Dissolved |
| MICROSCOPIC GENE SCIENCE & TECHNOLOGY INTERNATIONAL (HK) COMPANY LIMITED | Private company limited by shares | Live |
| Science Research (HK) Limited | Private company limited by shares | Live |
| Attain Enterprise (HK) Science And Technology Limited | Private company limited by shares | Live |
| AUCI CENTURY (HK) SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CHINA AEROSPACE-HUAWEI (HK) SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ASDOPTICS (HK) SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Howard (HK) Science & Technology Co., Limited | Private company limited by shares | Live |
| SKYVIEW (HK) SCIENCE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Lexiang (HK) Science and Technology Holding Limited | Private company limited by shares | Live |
| MING JIE (H.K) SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| H.K. FIRST SCIENCE AND TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| River Moistening Woods Science and Technology (HK) Company Limited | | Live |
| Yung Sun Science (HK) Limited | Private company limited by shares | Live |
| ZHIXIANG DIGITAL SCIENCE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Hoen Life Science Group Limited | Private company limited by shares | Live |
| HONG KONG AMAN SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONG KONG CHENSHENG SCIENCE LIMITED | Private company limited by shares | Live |
| Hong Sheng Electronics Science Co., Limited | Private company limited by shares | Live |
| HONG KONG FU JI SCIENCE INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| HONG KONG JIULONG NEW SCIENCE CO., LIMITED | Private company limited by shares | Live |
| AF SCIENCE (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| SCG Science (Hong Kong) Co., Limited | Private company limited by shares | Live |
| DUOLOGIC SCIENCE (HONG KONG) CORPORATION LIMITED | Private company limited by shares | Dissolved |
| HONG KONG DAGUYI SCIENCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG DATA SCIENCE ASSOCIATION LIMITED | Private company limited by shares | Live |
| HONG KONG DENTAL SCIENCE ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| HONG KONG DEZHONG SCIENCE AND TECHNOLOGY COMPANY, LIMITED | Private company limited by shares | Dissolved |
| HONG KONG DIGICAS SCIENCE CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Science Education Technology Limited | | Live |
| LEAD ELECTRONIC SCIENCE (HONG KONG) CO. LIMITED | Private company limited by shares | Live |
| Hong Kong DJY Electronic Science And Technology Limited | Private company limited by shares | Live |
| Hong Kong Association for Science and Engineering Limited | Private company limited by shares | Live |
| SCIENCE ESTHETICS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Science Fair Limited | Private company limited by shares | Live |
| HONG KONG FENG LU HUA SCIENCE & BUSINESS COMPANY LIMITED | Private company limited by shares | Live |
| Hong Kong Science Focus Company Limited | Private company limited by shares | Live |
| FUTURE SCIENCE &. TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Hong Kong Global Science Co., Limited | | Live |
| Holland Green Science Hong Kong Limited | | Live |
| HONG KONG JIABEIXI BIO SCIENCE GROUP LIMITED | Private company limited by shares | Live |
| SCIENCE PUBLISHING GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| Hong Kong Haishese Science and Technology Limited | Private company limited by shares | Live |
| HANHAI SCIENCE & TECHNOLOGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Health Engineering Science Company Limited | Private company limited by shares | Live |
| Hong Kong Health Science Limited | Private company limited by shares | Live |