| CATHAY AND SPIRITUAL CO., LIMITED | Private company limited by shares | Dissolved |
| CATHAY STANDARD LIMITED | Private company limited by shares | Dissolved |
| Cathay Star Limited | Private company limited by shares | Live |
| Cathay Capital Strategies Limited | Private company limited by shares | Live |
| CATHAY SUCCESS LIMITED | Private company limited by shares | Dissolved |
| Cathay Sunrise Limited | Private company limited by shares | Live |
| CATHAY SUPERENCE (HK) LIMITED | Private company limited by shares | Dissolved |
| CATHAY SWAN LIMITED | Private company limited by shares | Live |
| CATHAY SYNDICATE LIMITED | Private company limited by shares | Dissolved |
| CATHAY SYSTEM LIMITED | Private company limited by shares | Dissolved |
| Cathay System Limited | Private company limited by shares | Live |
| CATHAY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| CATHAY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Smart Cathay Technologies Company Limited | | Live |
| JP CATHAY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Cathay Data Technology Limited | Private company limited by shares | Live |
| CATHAY ELECTRONIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Cathay Financial Technology Co., Limited | Private company limited by shares | Live |
| Cathay Technology Investment Limited | Private company limited by shares | Live |
| Cathay Smart Technology Investment Limited | Private company limited by shares | Live |
| CATHAY TEXTILE CORPORATION, LIMITED | Private company limited by shares | Dissolved |
| CATHAY TEXTILE AND GARMENT INDUSTRIES LIMITED | Private company limited by shares | Live |
| CATHAY TIMEPIECES (HOLDING) LIMITED | Private company limited by shares | Dissolved |
| CATHAY TIMEPIECES (HOLDING) LIMITED | Private company limited by shares | Live |
| CATHAY TOURS LIMITED | Private company limited by shares | Dissolved |
| CATHAY TOYO ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY TOYS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY B TRADE, LIMITED | Private company limited by shares | Dissolved |
| CATHAY TRADEHOUSE LIMITED | Private company limited by shares | Live |
| CATHAY TRADER STEAMSHIP & ESTATES LIMITED | Private company limited by shares | Dissolved |
| CATHAY COTTON GOODS TRADERS LIMITED | Private company limited by shares | Live |
| CATHAY TRADERS, (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CATHAY TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY ATLANTIC TRADING LIMITED | Private company limited by shares | Dissolved |
| CATHAY ATLANTIC TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY CENTURY TRADING LIMITED | Private company limited by shares | Dissolved |
| CATHAY DRAGON TRADING LIMITED | Private company limited by shares | Dissolved |
| Fortune Cathay Trading Limited | | Live |
| CATHAY HARVEST TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY TRADING AND SHIPPING LIMITED | Private company limited by shares | Dissolved |
| CATHAY TRANS CO., LIMITED | Private company limited by shares | Dissolved |
| CATHAY TRAVEL (JUST GOOD) LIMITED | Private company limited by shares | Live |
| TRUE CATHAY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CATHAY UNION TRADING LIMITED | Private company limited by shares | Dissolved |
| UNITED CATHAY CO., LIMITED | Private company limited by shares | Live |
| Cathay United Enterprise Limited | Private company limited by shares | Live |
| CATHAY PACIFIC UNITED GROUP LIMITED | | Live |
| CATHAY UNITED PAYMENTS LIMITED | Private company limited by shares | Live |
| CATHAY UNIVERSAL LIMITED | Private company limited by shares | Live Commenced dormancy on 01-Sep-2010 |
| CATHAY UNIVERSAL CO., LIMITED | Private company limited by shares | Live |
| VAMATEX CATHAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY WATCH COMPANY LIMITED | Private company limited by shares | Live |
| CATHAY WINNER LIMITED | Private company limited by shares | Dissolved |
| CATHAY WORLDWIDE LIMITED | Private company limited by shares | Dissolved |
| CATHAY WORLDWIDE LIMITED | Private company limited by shares | Live |
| CATHAY ASIA WORLDWIDE CO., LIMITED | Private company limited by shares | Live |
| Cathay Wynand Limited | Private company limited by shares | Live |
| CATHAY YACHTS LIMITED | Private company limited by shares | Dissolved |
| CATHAYA COMPANY LIMITED | Private company limited by shares | Live |
| Grand Cathaya Limited | | Live |
| ZHEJIANG CATHAYA ACCESSORIES CO., LIMITED | Private company limited by shares | Live |
| ZHEJIANG CATHAYA INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| CATHAY-CANADA DEVELOPMENT GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAYLON COMPANY LIMITED | Private company limited by shares | Dissolved |
| CathayLux Limited | Private company limited by shares | Live |
| CATHAYMERIT INDUSTRIAL LIMITED | Private company limited by shares | Live |
| CathayNeon Group Limited | Private company limited by shares | Live Commenced dormancy on 22-Sep-2014 |
| Cathaysia Limited | | Live |
| CATHAYSIAN BROTHER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CATHAYSIAN SEGA (CHINA) INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| CATHAYSTONE LIMITED | Private company limited by shares | Dissolved |
| CATHAY-TECH LIMITED | Private company limited by shares | Dissolved |
| CATHAYTRONICS LIMITED | Private company limited by shares | Dissolved |
| CATHAY-WESTERN, LIMITED | Private company limited by shares | Dissolved |
| CATHEDRAL CITY LIMITED | Private company limited by shares | Live |
| Cathedral Primary Controller Holding Limited | Private company limited by shares | Live |
| Cathedral of Glory Limited | Private company limited by shares | Live |
| Highland Cathedral Limited | Private company limited by shares | Dissolved |
| CATHEDRAL OF PRAISE LIMITED | Company limited by guarantee | Live |
| Wells Cathedral School (Hong Kong) Limited | Company limited by guarantee | Live |
| CATHEDY LIMITED | Private company limited by shares | Live |
| CATHEE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Cather Company, Limited | Private company limited by shares | Live Commenced dormancy on 05-Jun-2012 |
| CATHERALL LIMITED | Private company limited by shares | Dissolved |
| CATHERINA CHANG CONSULTING LIMITED | Private company limited by shares | Live |
| Catherine Limited | Private company limited by shares | Live |
| CATHERINE ENTERPRISE LIMITED | Private company limited by shares | Live |
| CATHERINE INVESTMENTS LIMITED | Private company limited by shares | Live |
| CATHERINE JEWELLERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHERINE JEWELLERY LIMITED | Private company limited by shares | Live |
| CATHERINE TRADE LIMITED | Private company limited by shares | Live |
| CATHERINEFION TRADE CO., LIMITED | Private company limited by shares | Live |
| CATHERINE'S COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHEY RICH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CATHEY WEALTH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CATHLAND COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 19-Jan-1996 |
| HONG KONG CATHLEEN LEATHER LIMITED | Private company limited by shares | Dissolved |
| FRANCE CATHLEEN LERTHER LIMITED | Private company limited by shares | Dissolved |
| CATHLES COMPANY LIMITED | Private company limited by shares | Live |