| ThinkAge Industrial (HK) Limited | Private company limited by shares | Live |
| thinkandhum Limited | Private company limited by shares | Live |
| THINKART COMPANY LIMITED | Private company limited by shares | Live |
| Thinkbat Energy Limited | | Live |
| ThinkBenefits Consulting Limited | Private company limited by shares | Live |
| Thinkbest Exhibition Limited | Private company limited by shares | Live |
| THINKBIG GLOBAL LIMITED | Private company limited by shares | Live |
| ThinkBig Learning Technology Limited | Private company limited by shares | Live |
| THINKBOX LIMITED | Private company limited by shares | Live |
| ThinkBox Asia Limited | Private company limited by shares | Live |
| THINKBUS INDUSTRIAL LIMITED | Private company limited by shares | Live |
| THINKBUSKALUNG (HK) MANUFACTURING LIMITED | Private company limited by shares | Live |
| THINKCENTRE LIMITED | Private company limited by shares | Dissolved |
| THINKCENTRE LIMITED | Private company limited by shares | Dissolved |
| ThinkChange Co., Limited | Private company limited by shares | Dissolved |
| THINKCLASH LIMITED | Private company limited by shares | Live |
| ThinkCloud Limited | Private company limited by shares | Live |
| ThinkCloud IT Consulting (HK) Limited | | Live |
| ThinkCloud Tech Consulting Limited | | Live |
| HK THINKCLOUD NETWORK LIMITED | Private company limited by shares | Live |
| Thinkcloud Technology Co., Limited | | Live |
| Thinkcol Limited | Private company limited by shares | Live |
| Thinkcol.AI Limited | Private company limited by shares | Live |
| THINKCSR LIMITED | Private company limited by shares | Dissolved |
| THINKDESIGN CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| THINKDIG TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ThinkDigi Limited | Private company limited by shares | Live |
| Think-DO Limited | Private company limited by shares | Live |
| ThinkDream Technology Limited | Private company limited by shares | Live |
| THINKDRINKS LIMITED | Private company limited by shares | Dissolved |
| THINKER LIMITED | Private company limited by shares | Live |
| TOP THINKER LIMITED | Private company limited by shares | Live |
| BIG THINKER LIMITED | Private company limited by shares | Live |
| THINKER LY LIMITED | Private company limited by shares | Live |
| BEST THINKER LIMITED | Private company limited by shares | Live |
| Thinker Supply Chain Limited | Private company limited by shares | Live |
| Thinker Supply Chain Limited | | Live |
| Thinker Entertainment Co., Limited | Private company limited by shares | Live |
| THINKER INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| THINKER COLLECTIVE LIMITED | Private company limited by shares | Dissolved |
| HK Thinker Consulting Limited | Private company limited by shares | Live |
| Deep Thinker Capital Limited | Private company limited by shares | Live |
| Thinker Design Limited | Private company limited by shares | Live |
| GLOBAL THINKER GROUP LIMITED | Private company limited by shares | Live |
| GOOD THINKER LIMITED | Private company limited by shares | Dissolved |
| Big Thinker Hong Kong Limited | Private company limited by shares | Live |
| SUN THINKER INDUSTRIAL LIMITED | Private company limited by shares | Live |
| INNOVATIVE THINKER HK LIMITED | Private company limited by shares | Live |
| THINKER INDUSTRY (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| THINKER MANUFACTORY COMPANY LIMITED | Private company limited by shares | Live |
| THINKER WAY MANUFACTURING CO. LIMITED | Private company limited by shares | Dissolved |
| OLDEST THINKER LIMITED | Private company limited by shares | Live |
| Thinker Online Limited | Private company limited by shares | Live |
| GEAR THINKER INTERACTIVE STUDIO LIMITED | Private company limited by shares | Dissolved |
| Thinker Sci Tech Limited | Private company limited by shares | Live |
| BIG THINKER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Thinkercroxx Limited | Private company limited by shares | Live |
| THINKergy LIMITED | Private company limited by shares | Live |
| HK THINKERLED TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| THINKERS LIMITED | Private company limited by shares | Dissolved |
| Thinkers Limited -The- | Private company limited by shares | Live |
| Big Thinkers Limited | Private company limited by shares | Live |
| Thinkers (Asia) Limited | | Live |
| Free Thinkers Limited | Private company limited by shares | Live |
| THINKERS PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| Readers Thinkers Limited | | Live |
| SMART THINKERS LIMITED | Private company limited by shares | Dissolved |
| SMART THINKERS LIMITED | Private company limited by shares | Live |
| THINKERS SOLUTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| TWINKLE THINKERS LIMITED | Private company limited by shares | Dissolved |
| ThinkerTool Solutions Company Limited | Private company limited by shares | Live |
| Thinkever Technology Trading Co., Limited | Private company limited by shares | Live |
| THINKEY INTER CO., LIMITED | Private company limited by shares | Live |
| THINKEY MOLD CO., LIMITED | Private company limited by shares | Live |
| ThinkFind Technology (HongKong) Limited | Private company limited by shares | Live |
| ThinkFirm Limited | | Live |
| THINKFIX TECHNOLOGY LIMITED | Private company limited by shares | Live |
| THINKFLY TRADE COMPANY LIMITED | Private company limited by shares | Live |
| THINKFOCUS CO., LIMITED | Private company limited by shares | Live |
| THINKFOCUS GROUP LIMITED | Private company limited by shares | Live |
| THINKGO LIMITED | Private company limited by shares | Live |
| THINKGROW TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| THINKHEALTH INTERNATIONAL INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| Thinkidea Electronics Co., Limited | Private company limited by shares | Live |
| THINKIN LIMITED | Private company limited by shares | Live |
| THINKIN SYSTEM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| THINKING EYE LIMITED | Private company limited by shares | Dissolved |
| OUT OF THE BOX THINKING LIMITED | Private company limited by shares | Dissolved |
| Thinking Box Limited | Private company limited by shares | Live |
| NEW THINKING LIMITED | Private company limited by shares | Live |
| Out of the Box Thinking Limited | Private company limited by shares | Dissolved |
| Thinking Limited | Private company limited by shares | Live |
| TOP THINKING LIMITED | Private company limited by shares | Live |
| Thinking Cap Company Limited | Private company limited by shares | Live |
| NEW THINKING INC LIMITED | Private company limited by shares | Live |
| AI Thinking Limited | | Live |
| ABLE THINKING LIMITED | Private company limited by shares | Dissolved |
| Glocal Creative Thinking Academy Limited | Private company limited by shares | Live |
| Design Thinking In Action Limited | Company limited by guarantee | Live |
| GLORY ADVANCED THINKING LIMITED | Private company limited by shares | Dissolved |