| STUDY AID LIMITED | Private company limited by shares | Dissolved |
| To Study Limited | Private company limited by shares | Dissolved |
| Go Study HK Limited | Private company limited by shares | Live |
| STUDY GO LIMITED | Private company limited by shares | Live |
| U STUDY LIMITED | Private company limited by shares | Live |
| BIG STUDY LIMITED -THE- | Private company limited by shares | Live |
| STUDY HK LIMITED | Private company limited by shares | Live |
| HEY STUDY LIMITED | | Live |
| A.B.C. STUDY CENTRE, LIMITED | Private company limited by shares | Dissolved |
| Asia Study Abroad Center Limited | Private company limited by shares | Dissolved |
| Borja Study Abroad Limited | Private company limited by shares | Live |
| Dragon Way Study Abroad Limited | Private company limited by shares | Live |
| PROACTIVE STUDY ABROAD LIMITED | Private company limited by shares | Dissolved |
| GBA STUDY ABROAD SERVICE CENTRE LIMITED | | Live |
| Yulun Study Abroad Limited | Private company limited by shares | Live |
| STUDY ABROADER LIMITED | Private company limited by shares | Dissolved |
| PEKING UNIVERSITY CHINA STUDY COURSE ALUMNI ASSOCIATION LIMITED | Company limited by guarantee | Live |
| FRANCE ANNAI COSMETIC STUDY CENTER LIMITED | Private company limited by shares | Dissolved |
| I-CHING STUDY ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| Study Awesome Limited | | Live |
| BAOHONG STUDY IMMIGRATION INVESTMENT LIMITED | Private company limited by shares | Live |
| EVANGELISTIC BIBLE STUDY COMPANY LIMITED | Company limited by guarantee | Live |
| INTERACTIVE BIBLE STUDY LIMITED | Company limited by guarantee | Live |
| BIBLE STUDY MINISTRY LIMITED | Company limited by guarantee | Live |
| I. STUDY LEARNING CENTER LIMITED | Private company limited by shares | Live |
| CHINA STUDY LIMITED | Private company limited by shares | Live Commenced dormancy on 05-May-2016 |
| CHINA STUDY ABROAD LIMITED | Private company limited by shares | Live |
| CHINA ASSOCIATION OF ZEN STUDY LIMITED | Private company limited by shares | Dissolved |
| Chinese UK Study Company Limited | Private company limited by shares | Live |
| Choo Choo Study Limited | Private company limited by shares | Live |
| Cantonese Cinema Study Association Limited | Company limited by guarantee | Live |
| STUDY ABROAD USA CO., LIMITED | Private company limited by shares | Live |
| CHINA YANGTZE RIVER DELTA COLLECTION STUDY LIMITED | Private company limited by shares | Live |
| China-Hong Kong Education and Study Tours Consultancy Limited | Private company limited by shares | Live |
| PRC STUDY CONSULTING LIMITED | Private company limited by shares | Dissolved |
| STUDY CONSULTING LIMITED | Private company limited by shares | Dissolved |
| SmartEd Study Consulting Limited | | Live |
| CYBER STUDY LIMITED | Private company limited by shares | Live |
| Easy Study Limited | Private company limited by shares | Dissolved |
| Ocean Education Study Abroad Centre Limited | Private company limited by shares | Live |
| STUDY POWER EDUCATION CENTER LIMITED | Private company limited by shares | Dissolved |
| CHINA PARENT EDUCATION STUDY LIMITED | Private company limited by shares | Live |
| ALL STUDY EDUCATION ASSOCIATION CO., LIMITED | Private company limited by shares | Live |
| STUDY & SUN EDUCATION HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Study Mind Education Centre Limited | Private company limited by shares | Live |
| Eplus Study Limited | Private company limited by shares | Live |
| European Study Limited | Private company limited by shares | Live |
| Eventus Study Tours Limited | Private company limited by shares | Live |
| Executive Study Group Limited | Private company limited by shares | Live |
| Fabulous Study Limited | Private company limited by shares | Live |
| FIRST STUDY LIMITED | Private company limited by shares | Live |
| STUDY FUNDING ASIA LIMITED | Private company limited by shares | Dissolved |
| Study Games Limited | Private company limited by shares | Live |
| HK GLOBAL STUDY ABROAD SERVICE LIMITED | Private company limited by shares | Live |
| Global Study Consultancy Limited | Private company limited by shares | Live |
| GLOBAL STUDY GROUP LIMITED | Private company limited by shares | Live |
| PROTOUR GLOBAL STUDY LIMITED | Private company limited by shares | Live |
| GOOD AT STUDY LIMITED | Private company limited by shares | Live |
| GOOD STUDY NETWORK TECHNOLOGY LIMITED | | Live |
| Tim Study Group Limited | Private company limited by shares | Dissolved |
| USE STUDY GROUP LIMITED | Private company limited by shares | Live |
| USA STUDY ABROAD EMIGRANT SERVICE GROUP LIMITED | Private company limited by shares | Dissolved |
| Study Group (Hong Kong) Limited | Private company limited by shares | Dissolved |
| STUDY, RESEARCH & INVESTMENT GROUP (ASIA) LIMITED | Private company limited by shares | Dissolved |
| Study Mark Group Limited | Private company limited by shares | Live |
| Study Overseas Group Limited | Private company limited by shares | Live |
| STUDY GROWTH EDUCATION CENTER LIMITED | Private company limited by shares | Live |
| HONG KONG BUDDIST STUDY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Oncology Study Group Limited | Company limited by guarantee | Live |
| Hong Kong MGS Overseas Study Company Limited | Private company limited by shares | Live |
| HONG THAI STUDY TOUR CENTRE LIMITED | Private company limited by shares | Live |
| Hong Kong XiMao overseas study Limited | | Live |
| HUATUO DIFFICULT DISEASES STUDY LIMITED | Private company limited by shares | Live |
| STUDY TOUR INFINITY LIMITED | Private company limited by shares | Dissolved |
| Study Ireland Limited | Private company limited by shares | Live |
| Joy and Study Journey Limited | | Live |
| Study Land Limited | Private company limited by shares | Live |
| Britannia Study Link (Asia) Limited | Private company limited by shares | Live |
| ASIA STUDY LINKS LIMITED | Private company limited by shares | Dissolved |
| CENTRE FOR THE STUDY OF LITERACY LIMITED | Private company limited by shares | Dissolved |
| LOK-YEE STUDY TOUR LIMITED | | Live |
| Study Mate Limited | Private company limited by shares | Live |
| OUTSTANDING CHINESE STUDY MEETING LIMITED | Private company limited by shares | Dissolved |
| STUDY METHODS LIMITED | Private company limited by shares | Dissolved |
| STUDY MISSION LIMITED | Company limited by guarantee | Live |
| ONLINE STUDY LIMITED | Private company limited by shares | Dissolved |
| STUDY ONLINE LIMITED | Private company limited by shares | Dissolved |
| STUDY OVERSEAS LIMITED | Private company limited by shares | Live |
| YINUO EDUCATION OVERSEAS STUDY LIMITED | Private company limited by shares | Live |
| HK MeiOu Immigration & Overseas Study Consultant Limited | Private company limited by shares | Live |
| SCHOLARS OVERSEAS STUDY LIMITED | Private company limited by shares | Dissolved |
| I. STUDY PUBLISHING LIMITED | Private company limited by shares | Live |
| Sakura Study Limited | Private company limited by shares | Live |
| HOPE Study Abroad Service HK Limited | | Live |
| SHANGHAI AMERICA STUDY ABROAD CO., LIMITED | Private company limited by shares | Live |
| Smart Study Company Limited | Private company limited by shares | Dissolved |
| U.S.A TAI LI ORGANISMS TECHNOLOGY STUDY INSTITUTIONS LIMITED | Private company limited by shares | Live |
| New Study Tour Limited | Private company limited by shares | Dissolved |
| STUDY TOUR 365 LIMITED | Private company limited by shares | Live |
| ORCA STUDY TOURS LIMITED | Private company limited by shares | Live |