| CATHAY AUTO TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Cathay Toys & Bags LDA Limited | Private company limited by shares | Live |
| CATHAY BANCORP LIMITED | Private company limited by shares | Dissolved |
| Cathay Bear Cat Limited | Private company limited by shares | Live |
| CATHAY BEST LIMITED | Private company limited by shares | Live |
| CATHAY BIOTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY INDUSTRIAL BIOTECH (HONG KONG) LIMITED | Private company limited by shares | Live |
| Cathay Commodity Brokers Limited | Private company limited by shares | Live |
| CATHAY BUILDER'S CENTER, LIMITED | Private company limited by shares | Dissolved |
| CATHAY BUILDING MATERIAL SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| CATHAY BUILDING MATERIALS LIMITED | Private company limited by shares | Dissolved |
| Cathay Carbon Assets Limited | Private company limited by shares | Live |
| CATHAY PACIFIC CHINA CARGO HOLDINGS LIMITED | Private company limited by shares | Live |
| Cathay Carib Trading Company Limited | Private company limited by shares | Live |
| CATHAY CARPET COMPANY LIMITED | Private company limited by shares | Dissolved |
| Caviar de Cathay Limited | Private company limited by shares | Dissolved |
| CENTRAL CATHAY LIMITED | Private company limited by shares | Dissolved |
| CENTRAL CATHAY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CATHAY CERAMIC LIMITED | Private company limited by shares | Live |
| CATHAY CERAMIC MACHINERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY CHAMPION LIMITED | Private company limited by shares | Dissolved |
| CATHAY CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| CATHAY CHEMPRODUCT LIMITED | | Live |
| CATHAY CHINA ENTERPRISES LIMITED | Private company limited by shares | Live |
| CATHAY CHINE-PAX LIMITED | Private company limited by shares | Dissolved |
| CATHAY CINDIC J-V LIMITED | Private company limited by shares | Dissolved |
| CATHAY CITY LIMITED | Private company limited by shares | Dissolved |
| CATHAY CITY INVESTMENTS LIMITED | Private company limited by shares | Live |
| CATHAY MUSIC CLUB LIMITED | Company limited by guarantee | Dissolved |
| Cathay Beauty Co., LIMITED | Private company limited by shares | Live |
| CATHAY BIOLIGHT CO., LIMITED | Private company limited by shares | Dissolved |
| CATHAY HONEST (CHT) CO., LIMITED | Private company limited by shares | Live |
| Cathay Liftech Co., Limited | Private company limited by shares | Live |
| Xiamen Cathay Stone Co., Limited | | Live |
| CATHAY CLEAN TECHNOLOGY SHARES CO., LIMITED | Private company limited by shares | Live |
| CATHAY TELECOMMUNICATIONS CO., LIMITED | Private company limited by shares | Live |
| CATHAY TRADE CO., LIMITED | Private company limited by shares | Live |
| HK CATHAY TRADING CO., LIMITED | Private company limited by shares | Live |
| CATHAY PACIFIC AIR TRANSPORT CO., LIMITED | | Live |
| Jiang Xi Coal Cathay China Holding Limited | Private company limited by shares | Dissolved |
| CATHAY COLD STORAGE COMPANY, LIMITED -THE- | Company limited by guarantee | Dissolved |
| CATHAY COLORS & PIGMENTS LIMITED | Private company limited by shares | Live |
| Cathay Commercial Insurance Limited | Private company limited by shares | Live |
| CATHAY COMMODITIES LIMITED | Private company limited by shares | Dissolved |
| Cathay Commodities Limited | Private company limited by shares | Live |
| CATHAY COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| CATHAY / COMMUNICATION CONSULTING LIMITED | Private company limited by shares | Live |
| CALEDONIAN CATHAY COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| CATHAY COMMUNICATIONS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| CATHAY COMPUTER LIMITED | Private company limited by shares | Dissolved |
| CATHAY CONCEPT LIMITED | Private company limited by shares | Dissolved |
| Cathay Consolidated Limited | Private company limited by shares | Live |
| CATHAY CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| CATHAY CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| Cathay HungKai (China) Engineering Consultants Limited | Private company limited by shares | Live |
| CATHAY INSURANCE CONSULTANTS LIMITED | Private company limited by shares | Live |
| CATHAY CONSULTING LIMITED | Private company limited by shares | Dissolved |
| CATHAY CONSULTING LIMITED | Private company limited by shares | Dissolved |
| Cathay Capital Investment Consulting Co., Limited | Private company limited by shares | Live |
| FORTUNE CATHAY CONSULTING LIMITED | Private company limited by shares | Live |
| CATHAY CONSULTING GROUP LIMITED | Private company limited by shares | Live Commenced dormancy on 23-Jun-2016 |
| Cathay Enterprise Management Consulting Limited | Private company limited by shares | Live |
| CATHAY PERFORMA CONSULTING LIMITED | Private company limited by shares | Dissolved |
| Cathay Continental Biotech Limited | Private company limited by shares | Live |
| Cathay Continental Holdings Limited | Private company limited by shares | Live |
| CATHAY TEA CORPORATION, LIMITED -THE- | Private company limited by shares | Dissolved |
| CATHAY GEM CORPORATION LIMITED | Private company limited by shares | Live |
| Cathay Sunrise Corporation Limited | Private company limited by shares | Live |
| CATHAY COTTON LIMITED | Private company limited by shares | Dissolved |
| CATHAY CRAFTS LIMITED | Private company limited by shares | Dissolved |
| Cathay Credit & Finance (Hong Kong) Limited | Private company limited by shares | Live |
| CATHAY CULTURAL PUBLICATION LIMITED | Private company limited by shares | Dissolved |
| CATHAY DECORATION LIMITED | Private company limited by shares | Live |
| CATHAY WAY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| CATHAY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CATHAY DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| CATHAY SUB DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Cathay IC Development Limited | Private company limited by shares | Live |
| CATHAY PACIFIC AIRPORT DEVELOPMENT AND SERVICES LIMITED | Private company limited by shares | Dissolved |
| CENTRAL CATHAY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CONGHUA CATHAY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Cathay Energy Development Limited | Private company limited by shares | Live |
| CATHAY DESIGN ENGINEERING & DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| PACIFIC CATHAY INVESTMENT & DEVELOPMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| CATHAY PROPERTY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| STAR CATHAY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| CATHAY DEVELOPMENT AND TRADING COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| CATHAY TRADING AND DEVELOPMENT CORPORATION LIMITED | Private company limited by shares | Dissolved |
| CATHAY DIAMOND LIMITED | Private company limited by shares | Dissolved |
| Cathay Digital Company Limited | Private company limited by shares | Live |
| CATHAY DRAGON LIMITED | Private company limited by shares | Dissolved |
| CATHAY DRAGON LIMITED | Private company limited by shares | Live |
| CATHAY DRUGSTORE LIMITED | Private company limited by shares | Dissolved |
| CATHAY DUPONT LIMITED | Private company limited by shares | Live |
| CATHAY ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| CATHAY ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY ELECTRONICS LIMITED | Private company limited by shares | Live |
| CATHAY ELECTRONICS (CHINA) COMPANY LIMITED | Private company limited by shares | Live |
| CATHAY CHINA ELECTRONICS AND COMPUTER SYSTEMS LIMITED | Private company limited by shares | Live |
| Cathay Elite Investment Limited | Private company limited by shares | Live |