| BEST KNOWN INVESTMENT LIMITED | Private company limited by shares | Live |
| BEST KNOWN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CHAIN KNOWN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MORE KNOWN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KING KNOWN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Legend Known Limited | Private company limited by shares | Live |
| WELL KNOWN METAL ORNAMENT COMPANY LIMITED | Private company limited by shares | Live |
| WELL KNOWN METAL PRODUCTS COMPANY LIMITED | Private company limited by shares | Live |
| Mount Known Trading Limited | Private company limited by shares | Live |
| MULTI KNOWN LIMITED | Private company limited by shares | Dissolved |
| KNOWN POINT LIMITED | Private company limited by shares | Dissolved |
| PROSPECTS KNOWN LIMITED | Private company limited by shares | Live |
| RICH KNOWN LIMITED | Private company limited by shares | Live |
| RIGHT KNOWN LIMITED | Private company limited by shares | Live |
| RIGHT KNOWN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KNOWN SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WELL KNOWN SING LIMITED | Private company limited by shares | Live |
| BEST KNOWN TECH LIMITED | | Live |
| ALL KNOWN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| WELL KNOWN INDUSTRIAL AND TRADING CO., LIMITED | Private company limited by shares | Live |
| BEST KNOWN TRADING INVESTMENT LIMITED | Private company limited by shares | Live |
| RICH KNOWN TRADING LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN TRADING LIMITED | Private company limited by shares | Live |
| WELL KNOWN TRADING LIMITED | | Live |
| UNIVERSAL KNOWN LIMITED | Private company limited by shares | Live |
| WEALTH KNOWN LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN LIMITED | Private company limited by shares | Live |
| WELL KNOWN ACCOUNTANCY LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN ENTERPRISES LIMITED | Private company limited by shares | Live |
| WELL KNOWN INVESTMENT LIMITED | Private company limited by shares | Live |
| WELL KNOWN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN RESOURCES LIMITED | Private company limited by shares | Dissolved |
| WELL KNOWN SECRETARIAL LIMITED | Private company limited by shares | Live |
| WELL KNOWN SHIPPING LIMITED | Private company limited by shares | Live |
| SMART WELL KNOWN LIMITED | Private company limited by shares | Live |
| Weller Known Limited | | Live |
| WELLFUL KNOWN COMPANY LIMITED | Private company limited by shares | Dissolved |
| WORLD KNOWN COMPANY LIMITED | Private company limited by shares | Dissolved |
| WORLD KNOWN LIMITED | Private company limited by shares | Dissolved |
| WORLD KNOWN INC LIMITED | Private company limited by shares | Live |
| TOP WORLD KNOWN LIMITED | Private company limited by shares | Live |
| WORLD KNOWN BRAND INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| WORLD KNOWN CORPORATION LIMITED | Private company limited by shares | Live |
| WORLD KNOWN INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Live |
| WORLD KNOWN TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| WORLD KNOWN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| WORLD KNOWN ENTERPRISE LIMITED | Private company limited by shares | Live |
| WORLD KNOWN HOLDINGS LIMITED | Private company limited by shares | Live |
| WORLD KNOWN INDUSTRIES LIMITED | Private company limited by shares | Live |
| World Known Enterprise International Limited | Private company limited by shares | Dissolved |
| World Known Tours and Services Limited | Private company limited by shares | Live |
| WELL KNOWN WORLD LIMITED | Private company limited by shares | Dissolved |
| HK YIPIN KNOWN FAMILY ADORN PLAN LIMITED | Private company limited by shares | Dissolved |
| KnownFace Limited | Private company limited by shares | Live |
| KnowNow Limited | Private company limited by shares | Dissolved |
| SHENZHEN KNOWNPCB TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Hongkong Knownsec Information Technology Co., Limited | Private company limited by shares | Live |
| Knowru Limited | Private company limited by shares | Live |
| Knowsec Skies Co., Limited | | Live |
| Knowtech Innovation Co., Limited | | Live |
| KNOWWELL METALS & MINERALS (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| KNOWWELL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Knowyou Renaissance Company Limited | Private company limited by shares | Live |