| Kosmo Network Limited | Private company limited by shares | Live |
| Kosmo Pacific Place Limited | Private company limited by shares | Dissolved |
| KOSMO PLUS LIMITED | Private company limited by shares | Live |
| Kosmo Cool Seasons Limited | Private company limited by shares | Dissolved |
| Kosmo Fortune Trading Limited | Private company limited by shares | Dissolved |
| Kosmogo Limited | Private company limited by shares | Live |
| KOSMOLD LIMITED | Private company limited by shares | Dissolved |
| KOSMONA LIMITED | Private company limited by shares | Live |
| KOSMOS LIMITED | Private company limited by shares | Dissolved |
| KOSMOS LIMITED | Private company limited by shares | Live |
| KOSMOS CORP., LIMITED | Private company limited by shares | Live |
| KOSMOS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Kosmos Fashion Limited | Private company limited by shares | Live |
| KOS-MOS GROUP LIMITED | Private company limited by shares | Live |
| KOSMOS Group (Hong Kong) Limited | Private company limited by shares | Live |
| KOSMOS INDUSTRIAL LIMITED | Private company limited by shares | Live |
| KOSMOS PARKING INVESTMENT LIMITED | Private company limited by shares | Live |
| KOSMOS INVESTMENTS LIMITED | Private company limited by shares | Live |
| Kosmos Network Technology Limited | Private company limited by shares | Live |
| KOSMOS SG TRADING LIMITED | Private company limited by shares | Live |
| Kosmos Trading and Consulting Limited | Private company limited by shares | Dissolved |
| KOSMOS VISION LIMITED | Private company limited by shares | Live |
| KOSMOVE LIMITED | Private company limited by shares | Dissolved |
| KOSMOVE LIMITED | Private company limited by shares | Live |
| KOS-MYC BUSINESS LLC Limited | | Live |
| KOSO (HK) INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| HONG KONG KOSO INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| KOSO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KOSO Resources Limited | Private company limited by shares | Live |
| KOSON LIMITED | Private company limited by shares | Live |
| KOSONG LIMITED | Private company limited by shares | Dissolved |
| KOSONIC LIMITED | Private company limited by shares | Dissolved |
| KOSONIC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KOSONS COMPANY LIMITED | Private company limited by shares | Live |
| HK Kosor Technology Limited | | Live |
| GUANGZHOU KOSOUL INSTRUMENT LIMITED | Private company limited by shares | Live |
| KOSPEED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Yuanfen Kospell Limited | Private company limited by shares | Live |
| KOSPT E-COMMERCE LIMITED | Private company limited by shares | Live |
| KOSS JEWELRY LIMITED | Private company limited by shares | Live |
| Kosse Technology Company Limited | Private company limited by shares | Live |
| KOSSEL LIMITED | Private company limited by shares | Dissolved |
| KOSSEL LIMITED | | Live |
| KOSSIE LIMITED | Private company limited by shares | Live |
| Kossilon Accounting Services Limited | Private company limited by shares | Live |
| Kossilon Business Consultants Limited | Private company limited by shares | Live |
| Kossilon Legal Limited | Private company limited by shares | Dissolved |
| Kossilon Corporate Services Limited | Private company limited by shares | Live |
| Kossilon Links Services Limited | Private company limited by shares | Live |
| Kossilon Secretarial Services Limited | Private company limited by shares | Live |
| KOSSINI LIMITED | Private company limited by shares | Dissolved |
| Kossini Foundation Limited | Private company limited by shares | Live |
| KOSSO CO., LIMITED | Private company limited by shares | Live |
| KOSSOFF COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOSS-RITZ & CO. ( HONG KONG ) LIMITED | Private company limited by shares | Dissolved |
| KOSSU COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOSSUN LIMITED | Private company limited by shares | Dissolved |
| KOSSWAY LIMITED | Private company limited by shares | Dissolved |
| KOSSY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KOST LIMITED | Private company limited by shares | Live |
| KOST KLIP ASIA LIMITED | Private company limited by shares | Live Commenced dormancy on 30-Dec-2011 |
| KOSTA LIMITED | Private company limited by shares | Dissolved |
| HONG KONG KOSTA NETWORK TECHNOLOGY COMPANY LIMITED | | Live |
| HONG KONG KOSTA TRADING LOGISTIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOSTA INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Kosta Electronic Technology Co., Limited | Private company limited by shares | Live |
| KOSTA TRADING LIMITED | Private company limited by shares | Dissolved |
| KOSTAH ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| KOSTANA COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOSTAR BATTERY CO., LIMITED | Private company limited by shares | Dissolved |
| KO-STAR DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| U.S.A KOSTAR GROUP LIMITED | Private company limited by shares | Dissolved |
| KOSTAR H.K. CO., LIMITED | Private company limited by shares | Dissolved |
| KOSTAR INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| KOSTAR INVESTMENTS LIMITED | Private company limited by shares | Live |
| KoStarter Limited | Private company limited by shares | Live |
| KCA (Kostas Chatzigiannis Architecture) Limited | Private company limited by shares | Live |
| KOSTEC LIMITED | Private company limited by shares | Dissolved |
| KOSTECH COMPANY LIMITED | Private company limited by shares | Live |
| KOSTEEL - OIL LIMITED | Private company limited by shares | Dissolved |
| KOSTEN BUILDING MATERIALS CO., LIMITED | Private company limited by shares | Live |
| KOSTEN INTERNATIONAL CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 07-Mar-2016 |
| KOSTER LIMITED | Private company limited by shares | Live |
| KOSTERWIN GROUP LIMITED | Private company limited by shares | Dissolved |
| KOSTINER LIMITED | Private company limited by shares | Live |
| KOSTKA LIMITED | Private company limited by shares | Dissolved |
| KOSTKA ASIA LIMITED | Private company limited by shares | Dissolved |
| KOSTKA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Kostolany (Hongkong) Limited | Private company limited by shares | Live |
| KOSTROMA LIMITED | Private company limited by shares | Live |
| KOSUENG TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KOSUGI INTERNATIONAL FASHION LIMITED | Private company limited by shares | Dissolved |
| KOSUGI INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| KOSUKE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| KOSUN FLUID EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| KOSUN COMMODITY HOLDING CO., LIMITED | Private company limited by shares | Live |
| KOSUN ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| KOSUN INDUSTRIAL CO. LIMITED | Private company limited by shares | Live |
| KOSUN INDUSTRIAL (HK) CO., LIMITED | Private company limited by shares | Live |
| KOSUN INTERNATIONAL LIMITED | Private company limited by shares | Live |