| KNOWLEDGEMAKER LIMITED | Private company limited by shares | Live |
| KNOWLEDGEMENT LIMITED | Private company limited by shares | Live |
| Knowledgeone Limited | Private company limited by shares | Live |
| KNOWLEDGER LIMITED | Private company limited by shares | Live |
| KNOWLEDGESCIENCE.COM LIMITED | Private company limited by shares | Dissolved |
| KNOWLEDGESUCCESS LIMITED | Company limited by guarantee | Live |
| KNOWLEDGEWORKS COMPANY LIMITED | Private company limited by shares | Live |
| KNOWLES, LIMITED | Company limited by guarantee | Dissolved |
| BICKENSTAFF & KNOWLES LIMITED | Private company limited by shares | Dissolved |
| KNOWLES CONSULT LIMITED | | Live |
| KNOWLES ENTERPRISES LIMITED | Private company limited by shares | Live |
| Knowlize Limited | Private company limited by shares | Live |
| KNOWLTON ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| HILL AND KNOWLTON ASIA LIMITED | Private company limited by shares | Live |
| Rikes Hill & Knowlton Limited | Private company limited by shares | Live |
| Knowmadiclife.com Limited | Private company limited by shares | Dissolved |
| LET KNOWN COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOP KNOWN LIMITED | Private company limited by shares | Live |
| WIN KNOWN LIMITED | Private company limited by shares | Dissolved |
| ALL KNOWN LIMITED | Private company limited by shares | Live |
| KEY KNOWN LIMITED | Private company limited by shares | Live |
| KNOWN COMPANY LIMITED | Private company limited by shares | Live |
| TOP KNOWN INC LIMITED | Private company limited by shares | Live |
| WELL KNOWN ACRYLIC LIMITED | Private company limited by shares | Live |
| Known Agency Limited | Private company limited by shares | Live |
| Also Known As Media Limited | | Live |
| ALWAYS KNOWN LIMITED | Private company limited by shares | Dissolved |
| BEST KNOWN LIMITED | Private company limited by shares | Dissolved |
| BEST KNOWN LIMITED | Private company limited by shares | Dissolved |
| MEC BEST KNOWN COMPANY LIMITED | Private company limited by shares | Live |
| WELL KNOWN BIOLOGIC LIMITED | Private company limited by shares | Live |
| BRAND KNOWN LIMITED | Private company limited by shares | Live |
| BRAVE KNOWN LIMITED | Private company limited by shares | Live |
| EVER KNOWN BUILDING TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CHINA KNOWN LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN (CHINA) MOTORS COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN (CLUB CATERING) MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| WELL KNOWN APPLIANCES AND ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| WELL KNOWN CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| BEST KNOWN CORPORATION LIMITED | Private company limited by shares | Live |
| CNREALLY KNOWN CORPORATION LIMITED | Private company limited by shares | Live |
| GLOBAL KNOWN CORPORATION LIMITED | Private company limited by shares | Live |
| DAILY KNOWN LIMITED | Private company limited by shares | Dissolved |
| BEST KNOWN TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| BEST KNOWN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| EASE KNOWN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| MORE KNOWN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| RIGHT KNOWN DEVELOPMENT LIMITED | Private company limited by shares | Live |
| WELL KNOWN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN DEVELOPMENT LIMITED | Private company limited by shares | Live |
| KNOWN YING DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| EASE KNOWN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KNOWN ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| Well Known Waterwork Engineering Limited | Private company limited by shares | Live |
| KNOWN FAITH LIMITED | Private company limited by shares | Live |
| FINE KNOWN LIMITED | Private company limited by shares | Dissolved |
| FORTUNE KNOWN LIMITED | Private company limited by shares | Dissolved |
| FORTUNE KNOWN LIMITED | Private company limited by shares | Dissolved |
| FORTUNE KNOWN LIMITED | | Live |
| FOUNDER KNOWN LIMITED | Private company limited by shares | Dissolved |
| FULLY KNOWN LIMITED | Private company limited by shares | Live |
| WELL KNOWN GARMENT LIMITED | Private company limited by shares | Dissolved |
| GLOBAL KNOWN LIMITED | Private company limited by shares | Live |
| GLOBAL KNOWN INC LIMITED | Private company limited by shares | Live |
| GLOBE KNOWN LIMITED | Private company limited by shares | Dissolved |
| GOLDEN KNOWN LIMITED | Private company limited by shares | Dissolved |
| GOOD KNOWN LIMITED | Private company limited by shares | Dissolved |
| KNOWN GOOD LIMITED | Private company limited by shares | Live |
| KNOWN GOOD INC LIMITED | Private company limited by shares | Live |
| GOOD KNOWN INVESTMENTS LIMITED | Private company limited by shares | Live |
| BEST KNOWN GROUP LIMITED | Private company limited by shares | Live |
| WELL KNOWN GROUP LIMITED | Private company limited by shares | Live |
| Well Known Group Limited | Private company limited by shares | Live |
| Well Known (HK) Limited | Private company limited by shares | Live |
| WELL KNOWN CREATORS (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN HOLDINGS DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN HOLDINGS LIMITED | Private company limited by shares | Live |
| HONG KONG KNOWN BIOLOGY CO., LIMITED | Private company limited by shares | Live |
| WELL KNOWN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG WELL KNOWN COMPANY LIMITED | Private company limited by shares | Live |
| HONOUR KNOWN LIMITED | Private company limited by shares | Live |
| HONOUR KNOWN TRADING LIMITED | Private company limited by shares | Dissolved |
| Honour Known (China) Trading Limited | Private company limited by shares | Dissolved |
| WELL KNOWN CERAMIC INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| FINE KNOWN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| TOP KNOWN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WIN KNOWN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| KNOWN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BEST KNOWN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Live |
| EVER KNOWN INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| EASE KNOWN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GOOD KNOWN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| EASY KNOWN INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| WELL KNOWN INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| WELL KNOWN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |