| COSMO CITY LIMITED | Private company limited by shares | Live |
| COSMO CITY DECORATION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY COSMO TRADE LIMITED | Private company limited by shares | Live |
| COSMO CLUB -THE- | Company limited by guarantee | Live |
| COSMO Club Marketing Limited | Private company limited by shares | Live |
| COSMO TL CO., LIMITED | | Live |
| COSMO FASHION FABRIC & TRADING CO., LIMITED | Private company limited by shares | Live |
| New Cosmo Group Co., Limited | | Live |
| COSMO HI-TECH CO., LIMITED | Private company limited by shares | Live |
| COSMO TECH (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| COSMO INTERACTIVE INNOVATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Cosmo Trade Co., Limited | | Live |
| Gold Cosmo General Trading Co., Limited | | Live |
| COSMO CHINA JIANLONGMEIFENG COLLEGE LIMITED | Private company limited by shares | Live |
| COSMO COLOR CENTRE LIMITED | Private company limited by shares | Dissolved |
| COSMO COMMERCIAL COMPANY, LIMITED | Private company limited by shares | Live |
| Cosmo Commercial Limited | Private company limited by shares | Live |
| COSMO COMMUNICATION LIMITED | Private company limited by shares | Live |
| COSMO COMMUNICATIONS (HK) LIMITED | Private company limited by shares | Live |
| COSMO CONCEPT LIMITED | Private company limited by shares | Live |
| COSMO GLOBAL CONCEPT LIMITED | Private company limited by shares | Dissolved |
| Conscious Cosmo LIMITED | | Live |
| Cosmo Construction Limited | Private company limited by shares | Live |
| COSMO CONSTRUCTION MATERIALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Cosmo Consult Limited | Private company limited by shares | Live |
| COSMO DESIGN CONSULTANT LIMITED | Private company limited by shares | Live |
| COSMO CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| COSMO CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| COSMO PROPERTY CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| Cosmo Consultation Company Limited | Private company limited by shares | Live |
| COSMO CORPORATE CONSULTING LIMITED | Private company limited by shares | Live |
| Cosmo Contracting (Asia) Limited | Private company limited by shares | Live |
| COSMO CORPORATION LIMITED | Private company limited by shares | Dissolved |
| COSMO CORPORATION LIMITED | Private company limited by shares | Live |
| BRIGHT COSMO CORPORATION LIMITED | Private company limited by shares | Live |
| Cosmo Concord Corporation Limited | Private company limited by shares | Live |
| COSMO DRAGON CORPORATION LIMITED | Private company limited by shares | Live |
| GRAND COSMO CORPORATION LIMITED | Private company limited by shares | Dissolved |
| COSMO POWER CORPORATION LIMITED | Private company limited by shares | Dissolved |
| COSMO RICH CORPORATION LIMITED | Private company limited by shares | Live |
| COSMO CREATION LIMITED | Private company limited by shares | Dissolved |
| COSMO CREATION LIMITED | Private company limited by shares | Live |
| CREATION COSMO LIMITED | Private company limited by shares | Live |
| COSMO WEALTH CREATION LIMITED | Private company limited by shares | Live |
| COSMO WEALTH CREATION LIMITED | Private company limited by shares | Live |
| COSMO CREATOR LIMITED | Private company limited by shares | Live |
| COSMO CROWN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| COSMO C.S. LIMITED | Private company limited by shares | Dissolved |
| COSMO C.S. HONG KONG LIMITED | Private company limited by shares | Dissolved |
| COSMO DATA LIMITED | Private company limited by shares | Dissolved |
| DECO COSMO LIMITED | Private company limited by shares | Dissolved |
| DECO COSMO ASIA LIMITED | Private company limited by shares | Live |
| COSMO DELIGHT LIMITED | Private company limited by shares | Dissolved |
| COSMO DELIGHT INC LIMITED | Private company limited by shares | Live |
| COSMO DELIGHT LIMITED | Private company limited by shares | Live |
| COSMO DEVELOP LIMITED | Private company limited by shares | Dissolved |
| COSMO BRIGHT TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| BRIGHT COSMO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| GREAT COSMO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| COSMO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| COSMO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| COSMO LUCK TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| COSMO RICH TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SURPLUS COSMO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| COSMO DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Cosmo Everest Development Limited | | Live |
| COSMO HONG KONG DEVELOPMENT LIMITED | Private company limited by shares | Live |
| COSMO IMAGE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Cosmo Industrial Development Limited | Private company limited by shares | Live |
| COSMO DEVELOPMENT & INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| COSMO INVESTMENT DEVELOPMENT LIMITED | Private company limited by shares | Live |
| COSMO MIGHT DEVELOPMENT LIMITED | Private company limited by shares | Live |
| COSMO SPEED DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| COSMO STANDARD DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| COSMO TECHNOLOGY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| COSMO TECHNOLOGY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| COSMO DIAM LIMITED | Private company limited by shares | Live |
| COSMO DIAMOND COMPANY, LIMITED | Private company limited by shares | Live |
| DOLCHE COSMO LIMITED | Private company limited by shares | Dissolved |
| DONGHO COSMO COMPANY LIMITED | Private company limited by shares | Dissolved |
| COSMO DRAGON INC LIMITED | Private company limited by shares | Live |
| COSMO DRAGON LIMITED | Private company limited by shares | Live |
| DRAGONWAY COSMO LIMITED | Private company limited by shares | Live |
| COSMO EARN LIMITED | Private company limited by shares | Live |
| COSMO EARN INC LIMITED | Private company limited by shares | Live |
| COSMO FAR EAST LIMITED | Private company limited by shares | Dissolved |
| COSMO FAR EAST LIMITED | Private company limited by shares | Live |
| FAR EAST COSMO LIMITED | Private company limited by shares | Live |
| Cosmo Far East Technology Limited | Private company limited by shares | Live |
| EAST YORK COSMO LIMITED | Private company limited by shares | Live |
| Cosmo Education Limited | Private company limited by shares | Live |
| Cosmo Edutainment Limited | Private company limited by shares | Live |
| COSMO ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| COSMO ELECTRONICS LIMITED | Private company limited by shares | Live |
| COSMO ELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| COSMO EMPIRE INVESTMENT LIMITED | Private company limited by shares | Live |
| COSMO ENERGY BIO COMPANY LIMITED | Private company limited by shares | Live |
| COSMO ENGINEERING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| COSMO ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| COSMO ENGINEERING LIMITED | Private company limited by shares | Live |