| COSMO INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| COSMO INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| COSMO INTERNATIONAL INC. LIMITED | Private company limited by shares | Live |
| COSMO INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Cosmo Kids International Limited | Private company limited by shares | Live |
| KOREA COSMO (INTERNATIONAL) COSMETICS LIMITED | Private company limited by shares | Live |
| Cosmo Lady (International) Company Limited | Private company limited by shares | Live |
| COSMO MERIT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| METRO COSMO INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| COSMO MIGHT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| COSMO OPTICAL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| POWER COSMO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| COSMO INTERNATIONAL PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| COSMO INTERNATIONAL PROPERTIES LIMITED | Private company limited by shares | Live |
| COSMO REGENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| COSMO REGENT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| COSMO SPEED INTERNATIONAL LIMITED | Private company limited by shares | Live |
| COSMO STAR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| COSMO INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| COSMO INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| COSMO INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| COSMO (INT'L) INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BIG COSMO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| COSMO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| COSMO INVESTMENT LIMITED | Private company limited by shares | Live |
| NEW COSMO INVESTMENT LIMITED | Private company limited by shares | Live |
| COSMO ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| COSMO CAPITAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| COSMO FIGURE INVESTMENT LIMITED | Private company limited by shares | Live |
| COSMO GLORY INVESTMENT LIMITED | Private company limited by shares | Live |
| COSMO RICH INVESTMENT LIMITED | Private company limited by shares | Live |
| COSMO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| COSMO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| COSMO MAX INVESTMENTS LIMITED | Private company limited by shares | Live |
| COSMO JADE LIMITED | Private company limited by shares | Live |
| JADE COSMO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| JAPAN COSMO SECURITIES (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Japan Cosmo Securities (Hong Kong) Limited | Private company limited by shares | Dissolved |
| JLAB COSMO LIMITED | Private company limited by shares | Live |
| COSMO KING LIMITED | Private company limited by shares | Live |
| COSMO KING DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| COSMO KING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| COSMO KING TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| COSMO KINGSTON LIMITED | Private company limited by shares | Live |
| COSMO KOREA CONSOLIDATORS LIMITED | Private company limited by shares | Dissolved |
| COSMO LAND AGENCY LIMITED | Private company limited by shares | Dissolved |
| COSMO LANE LIMITED | Private company limited by shares | Live |
| COSMO LEADER LIMITED | Private company limited by shares | Dissolved |
| COSMO LEADING LIMITED | Private company limited by shares | Dissolved |
| Cosmo Light HK Limited | | Live |
| NEW COSMO OCEAN LINES LIMITED | Private company limited by shares | Dissolved |
| COSMO LINK LIMITED | Private company limited by shares | Live |
| COSMO LINK INC. LIMITED | Private company limited by shares | Live |
| MEGA LINK COSMO LIMITED | Private company limited by shares | Live |
| COSMO LINKER LIMITED | Private company limited by shares | Dissolved |
| COSMO LOGISTICS LIMITED | Private company limited by shares | Live |
| RICH LONG COSMO LIMITED | Private company limited by shares | Live |
| COSMO LUBRICANTS (H.K.) CO. LIMITED | Private company limited by shares | Dissolved |
| COSMO LUXURY LIMITED | | Live |
| COSMO MANAGEMENT LIMITED | Private company limited by shares | Live |
| COSMO CAPITAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| COSMO CAPITAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| Cosmo Exhibition Management Limited | Private company limited by shares | Dissolved |
| COSMO TOYS MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| COSMO MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| COSMO MARINE LIMITED | Private company limited by shares | Live |
| COSMO MARKETING LIMITED | Private company limited by shares | Dissolved |
| COSMO MATERIALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| COSMO MEDIA LIMITED | Private company limited by shares | Dissolved |
| COSMO MEDIA INTEGRATED DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Cosmo Medical Limited | | Live |
| Cosmo (Greater Bay) Medical Centre Limited | Private company limited by shares | Live |
| COSMO MEGA LIMITED | Private company limited by shares | Live |
| MEGA COSMO LIMITED | Private company limited by shares | Live |
| COSMO MERIT LIMITED | Private company limited by shares | Dissolved |
| COSMO METAL MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| COSMO MILLION LIMITED | Private company limited by shares | Dissolved |
| MILLIONS COSMO LIMITED | Private company limited by shares | Live |
| COSMO NAILS LIMITED | Private company limited by shares | Dissolved |
| COSMO NATION LIMITED | Private company limited by shares | Dissolved |
| COSMO NETWORK LIMITED | Private company limited by shares | Dissolved |
| COSMO NETWORK INVESTMENT LIMITED | Private company limited by shares | Live |
| COSMO NOMINEES LIMITED | Private company limited by shares | Dissolved |
| OSSI COSMO LIMITED | | Live |
| COSMO COMPONENTS (ASIA PACIFIC) LIMITED | Private company limited by shares | Live |
| COSMO ASIA PACIFIC INVESTMENT LIMITED | Private company limited by shares | Live |
| COSMO PACKAGING MATERIAL CO., LIMITED | Private company limited by shares | Live |
| COSMO PAN-ASIA LIMITED | Private company limited by shares | Dissolved |
| COSMO PLAN LIMITED | Private company limited by shares | Live |
| Cosmo Planet Limited | Private company limited by shares | Live |
| COSMO PLUS LIMITED | Private company limited by shares | Dissolved |
| POLY COSMO LIMITED | Private company limited by shares | Live |
| COSMO POWER LIMITED | Private company limited by shares | Live |
| COSMO PRO-AV CO. LIMITED | Private company limited by shares | Live |
| COSMO PRODUCT INNOVATION LIMITED | Private company limited by shares | Live |
| Cosmo Production Limited | Private company limited by shares | Live |
| COSMO PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| COSMO PROPERTIES LIMITED | Private company limited by shares | Live |
| COSMO PROSPECT LIMITED | Private company limited by shares | Live |
| COSMO PROSPECT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |