| THINKING INDUSTRIES CORPORATION LIMITED | Private company limited by shares | Live |
| THINKING INFORMATION CONSULTING LIMITED | Private company limited by shares | Dissolved |
| THINKING INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| THINKING INSTITUTE LIMITED -THE- | Private company limited by shares | Dissolved |
| CLOUD THINKING INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| THINKING INTELLIGENCE MANAGEMENT CONSULTING CO., LIMITED | Private company limited by shares | Live |
| NEW THINKING INTERIOR DESIGN CO., LIMITED | Private company limited by shares | Live |
| Thinking Interior Design Engineering Limited | Private company limited by shares | Live |
| Thinking Interior Products Limited | Private company limited by shares | Dissolved |
| Thinking International Limited | Private company limited by shares | Live |
| Xinba International Thinking Education Alliance Limited | Private company limited by shares | Live |
| International Business Thinking Co., Limited | Private company limited by shares | Live |
| TOP THINKING (INTERNATIONAL) DESIGN LIMITED | Private company limited by shares | Live |
| LEARNING & THINKING EDUCATION INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| THINKING (INTERNATIONAL) ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| International Financial Thinking Co., Limited | Private company limited by shares | Live |
| THINKING GRID INTERNATIONAL LIMITED | Private company limited by shares | Live |
| New Thinking International Group Co., Limited | Private company limited by shares | Live |
| New Thinking International Holdings Group Co., Limited | Private company limited by shares | Live |
| THINKING POWER WEALTH MANAGEMENT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Reverse Thinking International Limited | | Live |
| CLOUD THINKING INTERNATIONAL NEW MEDIA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| THINKING INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| INTERNET OF THINKING LIMITED | Private company limited by shares | Live |
| S.I.T. SYSTEMATIC INVENTIVE THINKING HK LIMITED | Private company limited by shares | Live |
| NEW THINKING INVESTMENT LIMITED | Private company limited by shares | Live |
| Asia Thinking Investment Limited | | Live |
| SMART THINKING (IT) LIMITED | Private company limited by shares | Live |
| JANUS THINKING LIMITED | Private company limited by shares | Live |
| KnocKnocK Creative Thinking HK Limited | Private company limited by shares | Live |
| HK THINKING LEAGUE LIMITED | Private company limited by shares | Dissolved |
| SMART THINKING LEARNING CENTRE LIMITED | Private company limited by shares | Dissolved |
| THIRD THINKING LEARNING LIMITED | Private company limited by shares | Dissolved |
| THINKING LIFE COMPANY LIMITED | Private company limited by shares | Dissolved |
| THINKING GROUP LIFESTYLE LIMITED | | Live |
| THINKING OUT LOUD LIMITED | Private company limited by shares | Live |
| LOGICAL THINKING MANAGEMENT LIMITED | Private company limited by shares | Live |
| MARKET THINKING LIMITED | Private company limited by shares | Live |
| Mauna Thinking Kea Limited | Private company limited by shares | Live |
| MONEY THINKING LIMITED | Private company limited by shares | Dissolved |
| THINKING MORE LIMITED | Private company limited by shares | Live |
| Thinking Network Limited | | Live |
| THINKING NICE LIMITED | Private company limited by shares | Live |
| Creative Thinking Online Entertainment Company Limited | Private company limited by shares | Live |
| HIGHER ORDER THINKING ASSOCIATION LIMITED | Private company limited by shares | Live |
| Owl's Thinking Education Centre Limited | Private company limited by shares | Live |
| Owl's Thinking Resources Limited | Private company limited by shares | Live |
| Parallel Thinking Limited | Private company limited by shares | Live |
| Positive Thinking & Co. Limited | Private company limited by shares | Live |
| POSSIBILITY THINKING 44 LIMITED | Private company limited by shares | Live |
| NEW THINKING PRESS CO., LIMITED | Private company limited by shares | Live |
| THINKING CAPS PRODUCTION CO., LIMITED -THE- | Private company limited by shares | Dissolved |
| Quorum Thinking Limited | Private company limited by shares | Live |
| THINKING REED COMPANY LIMITED | Private company limited by shares | Dissolved |
| THINKING RESOURCES LIMITED | Private company limited by shares | Live |
| Thinking in Reverse Learning Centre Limited | Private company limited by shares | Live |
| RIGHT THINKING LIMITED | Private company limited by shares | Live |
| THINKING RIGHT LIMITED | Private company limited by shares | Live |
| Second Thinking Limited | Private company limited by shares | Live |
| SMART THINKING LIMITED | Private company limited by shares | Live |
| Solution Thinking Limited | | Live |
| Thinking Source (Hong Kong) Capital Company Limited | Private company limited by shares | Live |
| THINKING STARS LIMITED | Private company limited by shares | Live |
| FSN STRATEGIC THINKING LIMITED | Private company limited by shares | Live |
| Super Thinking Limited | Private company limited by shares | Live |
| TALENT THINKING LIMITED | Private company limited by shares | Live Commenced dormancy on 09-May-2016 |
| THINKING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| NEW THINKING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Creative Thinking Technology Limited | Private company limited by shares | Live |
| THINKING ELECTRONIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| THINKING MORE ELECTRONIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| THINKING TOP ELECTRONIC TECHNOLOGY INTERNATIONAL LIMITED | | Live |
| Smart Thinking Technology Limited | Private company limited by shares | Live |
| THIRD THINKING LIMITED | Private company limited by shares | Live |
| THINKING WAY TRADE LIMITED | Private company limited by shares | Live |
| Thinking Trail Limited | Private company limited by shares | Live |
| THINKING WELL LIMITED | Private company limited by shares | Live |
| WISHFUL THINKING LIMITED | Private company limited by shares | Live |
| THINKING WITHOUT THINKING LIMITED | Private company limited by shares | Live |
| WITHOUT THINKING TRADING LIMITED | Private company limited by shares | Live |
| WORLD FEDERATION OF ULTIMATE THINKING LIMITED | Private company limited by shares | Live |
| THINKING-ON TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| Lollipop Thinkings Limited | Private company limited by shares | Live |
| Zhenghe Thinking-Tank Information Consulting Limited | Private company limited by shares | Live |
| THINKIT LIMITED | Private company limited by shares | Dissolved |
| THINKIT SOLUTIONS LIMITED | Private company limited by shares | Live |
| ThinkJoy Limited | | Live |
| THINKLAB LIMITED | Private company limited by shares | Live |
| THINKLAND COMPANY LIMITED | Private company limited by shares | Dissolved |
| Thinklean Limited | Private company limited by shares | Live |
| THINKLEDGE LIMITED | Private company limited by shares | Dissolved |
| THINK-LINE CO. LIMITED | Private company limited by shares | Live |
| ThinkLink International Co., Limited | | Live |
| Thinklnfinity Limited | | Live |
| THINKLO Limited | Private company limited by shares | Live |
| ThinkLouder Limited | Private company limited by shares | Live |
| THINKMAC ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| ThinkMac International (HK) Limited | Private company limited by shares | Live |
| THINKMADE HK LIMITED | Private company limited by shares | Live |
| ThinkMatrix Limited | | Live |