| FOCUS LIFE SCIENCE LIMITED | Private company limited by shares | Live |
| FOCUS LIFE SCIENCE LIMITED | | Live |
| FullWell Life Science (HONG KONG) Limited | Private company limited by shares | Live |
| GALAXY LIFE SCIENCE LIMITED | Private company limited by shares | Live |
| ZHENGDA GENE LIFE SCIENCE SHARES LIMITED | Private company limited by shares | Live |
| GENELITE LIFE SCIENCE (HK) LIMITED | Private company limited by shares | Live |
| GENESIS LIFE SCIENCE LIMITED | Private company limited by shares | Live |
| GLOBAL PEAK LIFE SCIENCE GROUP LIMITED | Private company limited by shares | Live |
| Global Life Science Partners Limited | Private company limited by shares | Live |
| Life Science Good Circulation Limited | Private company limited by shares | Live |
| HK LIFE SCIENCE GROUP LIMITED | Private company limited by shares | Live |
| Aceso Life Science Group Limited | Private company limited by shares | Live |
| Xinhua Life Science Group Co., Limited | Private company limited by shares | Live |
| LIFE SCIENCE INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| ASIA PACIFIC LIFE SCIENCE GROUP LIMITED | Private company limited by shares | Dissolved |
| G-Young Life Science Company Limited | Private company limited by shares | Live |
| Hands Life Science Limited | Private company limited by shares | Live |
| Happiness Life & Science Limited | | Live |
| HARVARD LIFE SCIENCE INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| Health Original Life Science Limited | | Live |
| HK Hengyue Life Science Pte Limited | | Live |
| LIFE SCIENCE (HK) LIMITED | Private company limited by shares | Dissolved |
| HC Life Science (HK) Limited | Private company limited by shares | Live |
| HAPPY LIFE SCIENCE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Life Science Publishers (HK) Limited | Private company limited by shares | Live |
| Honmar Life Science Limited | Private company limited by shares | Live |
| HUMAN LIFE SCIENCE FOUNDATION LIMITED | Company limited by guarantee | Dissolved |
| IMMTECH LIFE SCIENCE LIMITED | Private company limited by shares | Live |
| USA INCC LIFE SCIENCE LIMITED | Private company limited by shares | Live |
| INCC LIFE SCIENCE LIMITED | Private company limited by shares | Live |
| LIFE SCIENCE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HK ZHONGKE LIFE SCIENCE & TECH INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Life Science Intelligence Limited | Private company limited by shares | Live |
| LIFE SCIENCE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| J&H Life Science International Limited | Private company limited by shares | Live |
| H&D LIFE SCIENCE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| MCI LIFE SCIENCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| LIFE SCIENCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CEL Life Science Investment Limited | Private company limited by shares | Live |
| JINHU LIFE & SCIENCE (HK) CO., LIMITED | Private company limited by shares | Live |
| Legend Life Science (Hong Kong) Limited | Private company limited by shares | Dissolved |
| Korea Jungkwan Life Science Research Limited | | Live |
| Life and Liquid Science Limited | Private company limited by shares | Live |
| LONDON NANJING LIFE SCIENCE (CHINA) LIMITED | Private company limited by shares | Live |
| LONGWOOD LIFE SCIENCE LIMITED | Private company limited by shares | Live |
| MACLAIN LIFE SCIENCE HK LIMITED | Private company limited by shares | Dissolved |
| Medigate Life Science Limited | Private company limited by shares | Live |
| Meta life science Limited | | Live |
| MineBio Life Science Limited | Private company limited by shares | Live |
| NOVEL-TECH LIFE SCIENCE LIMITED | Private company limited by shares | Live |
| ORIGINCELL HK LIFE SCIENCE EQUIPMENTS LIMITED | | Live |
| PAKA LIFE SCIENCE LIMITED | Private company limited by shares | Live |
| Paragon Life Science Limited | Private company limited by shares | Live |
| PAXEKON LIFE SCIENCE LIMITED | Private company limited by shares | Dissolved |
| Pinnacle Life Science Limited | Private company limited by shares | Live |
| HK RELIANCE LIFE SCIENCE CO. LIMITED | Private company limited by shares | Live |
| KE YUN LU LIFE SCIENCE RESEARCH LIMITED | Private company limited by shares | Dissolved |
| Revita Life Science Limited | | Live |
| RISING SUN LIFE SCIENCE LIMITED | Private company limited by shares | Dissolved |
| SANUS LIFE SCIENCE LIMITED | Private company limited by shares | Dissolved |
| SARINAH LIFE SCIENCE COMPANY LIMITED | Private company limited by shares | Live |
| Straits Life Science Limited | Private company limited by shares | Live |
| Success Life Science Limited | Private company limited by shares | Live |
| Life Science Talent Group Limited | Private company limited by shares | Live |
| HK NEW LIFE SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Life Science Technology Limited | Private company limited by shares | Live |
| LIFE SCIENCE & TECHNOLOGY CORPORATION LIMITED | Private company limited by shares | Dissolved |
| HAH'S OCEAN LIFE SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Life Science International Trading Co., Limited | Private company limited by shares | Live |
| HEALTH TREASURE LIFE SCIENCE LIMITED | Private company limited by shares | Dissolved |
| Life Science Unicorns Consultancy Limited | Private company limited by shares | Live |
| U.S. Wisdom Life Science Limited | Private company limited by shares | Live |
| Cai Valley Life Science Investment Co., Limited | Private company limited by shares | Live |
| GODENE LIFE SCIENCE VENTURE LIMITED | Private company limited by shares | Live |
| WISE LIFE SCIENCE COMPANY LIMITED | Private company limited by shares | Live |
| WONDERFUL LIFE SCIENCE ASSOCIATION COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 23-Oct-2009 |
| LifeSpan Science International Limited | | Live |
| Pilot Light Science and Technology Limited | Private company limited by shares | Live |
| SMART FAME LIGHTING SCIENCE LIMITED | Private company limited by shares | Live |
| Lighting Science Group (HK) Limited | Private company limited by shares | Live |
| LEOND SCIENCE AND TECHNOLOGY LIGHTING CO., LIMITED | Private company limited by shares | Live |
| FULTON SCIENCE AND TECHNOLOGY LIGHTING COMPANY LIMITED | Private company limited by shares | Live |
| Science Link Limited | Private company limited by shares | Live |
| LINKER SCIENCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| East Lion Science And Technology Hongkong Co Limited | | Live |
| Lion Science Technology Imp & Exp Co., Limited | Private company limited by shares | Dissolved |
| LIQUID SCIENCE CORPORATION LIMITED | Private company limited by shares | Live |
| HK SHUAIKEKANGBU LIVING CREATURE SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK SHUAIKEWOKANG LIVING CREATURE SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| LOCICO SCIENCE AND TECHNOLOGY (INTERNATIONAL) CO., LIMITED | Private company limited by shares | Dissolved |
| LOFTYSTONE SCIENCE AND TRADE CO., LIMITED | Private company limited by shares | Live |
| Londari Science and Technology Limited | Private company limited by shares | Live |
| LONGRUN SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LongXiangDa Science HK Co., Limited | Private company limited by shares | Live |
| HENAN LONGZI SCIENCE & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LOPE HEALTH SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LOYAL SCIENCE & TECHNOLOGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Loyal Science & Technology Trading Co., Limited | Private company limited by shares | Live |
| LUCID SPACE BIOLOGY SCIENCE LIMITED | Private company limited by shares | Dissolved |
| LUCKY SCIENCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |