| HONGKONG CATHAY WATCH HOLDINGS LIMITED | Private company limited by shares | Live |
| Cathay Horizon Limited | Private company limited by shares | Live |
| NEW CATHAY HOTEL LIMITED | Private company limited by shares | Dissolved |
| CATHAY HOTELS, LIMITED | Company limited by guarantee | Dissolved |
| CATHAY HOUSE H.K. COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hualyn Cathay (HongKong) Co., Limited | Private company limited by shares | Live |
| CATHAY ENTERPRISE INC. LIMITED | Private company limited by shares | Dissolved |
| INDO CATHAY SHIPPING (PRIVATE) LIMITED | Private company limited by shares | Dissolved |
| CATHAY INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| CATHAY RESOURCES INDUSTRIAL LIMITED | Private company limited by shares | Live |
| CATHAY INDUSTRIES LIMITED | Private company limited by shares | Live |
| CENTRAL CATHAY INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| EVER CATHAY INDUSTRIES LIMITED | Private company limited by shares | Live |
| CATHAY FURNITURE INDUSTRIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| CATHAY LAND INDUSTRIES (CHINA) CO., LIMITED | Private company limited by shares | Live |
| CATHAY SUCCESS INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI CATHAY CYCLE INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Cathay Technology Industry Limited | Private company limited by shares | Live |
| Cathay Information Investment Limited | Private company limited by shares | Live |
| CATHAY INNS LIMITED | Private company limited by shares | Dissolved |
| CATHAY INSURANCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY INTEGRATED CIRCUIT LIMITED | Private company limited by shares | Dissolved |
| Cathay Intelligent Investment Limited | Private company limited by shares | Live |
| CATHAY INTERNATIONAL HK LIMITED | Private company limited by shares | Live |
| CATHAY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ST. CATHAY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CATHAY ARCHITECTURE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CATHAY ARTS INTERNATIONAL INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| CENTRAL CATHAY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CATHAY CLASSICS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CATHAY CLOTHING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CATHAY INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| CATHAY TIRE INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| XINXING CATHAY INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| CATHAY INTERNATIONAL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| D.J. CATHAY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CATHAY INTERNATIONAL ENGINEERING SERVICES LIMITED | Private company limited by shares | Dissolved |
| CATHAY INTERNATIONAL TRADE FAIRS LIMITED | Private company limited by shares | Dissolved |
| CATHAY FORTUNE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| GRAND CATHAY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CATHAY INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| CATHAY INTERNATIONAL CAPITAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| CATHAY INTERNATIONAL SECURITIES (H.K.) LIMITED | Private company limited by shares | Dissolved |
| CATHAY INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| NEW CATHAY INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CATHAY INTERNATIONAL SERVICES (HONG KONG) LIMITED | Private company limited by shares | Live |
| CATHAY INTERNATIONAL HORSE RACING COMPANY LIMITED | Private company limited by shares | Dissolved |
| International Cathay Investment Limited | Private company limited by shares | Live |
| CATHAY INTERNATIONAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| CATHAY MANUFACTURING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CATHAY MERCHANDISING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CATHAY METAL INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| CATHAY INTERNATIONAL MOTORS LIMITED | Private company limited by shares | Live |
| CATHAY NEBULA INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| CATHAY INTERNATIONAL NOMINEES LIMITED | Private company limited by shares | Dissolved |
| CATHAY PETROLEUM INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CATHAY PRODUCTS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Cathay International Resources Limited | Private company limited by shares | Live |
| CATHAY INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| CATHAY INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| CATHAY TRADING INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| CATHAY INTERNATIONAL INVESTMENT TRADING LIMITED | Private company limited by shares | Live |
| CATHAY INTERNATIONAL INVESTMENT AND TRADING GROUP LIMITED | Private company limited by shares | Dissolved |
| CATHAY TYRE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY INTERNATIONAL UNITED FINANCE AND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| U.S. CATHAY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CHANG'AN CATHAY INT'L PROCUREMENT LIMITED | Private company limited by shares | Dissolved |
| CATHAY BRITANNIA INT'L IMP & EXP (HK) LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Jan-2009 |
| CATHAY PROSPER INT'L LIMITED | Private company limited by shares | Dissolved |
| CATHAY INVESTMENT, LIMITED | Private company limited by shares | Dissolved |
| NEW CATHAY INVESTMENT LIMITED | Private company limited by shares | Live |
| Cathay Gas Investment Limited | Private company limited by shares | Live |
| CATHAY BEST INVESTMENT LIMITED | Private company limited by shares | Live |
| CENTURY CATHAY INVESTMENT LIMITED | Private company limited by shares | Live |
| CATHAY ENTERTAINMENT & INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Glory Cathay Investment Holding Limited | Private company limited by shares | Live |
| CATHAY HI-TECH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CATHAY INVESTMENT HOLDING COMPANY LIMITED | Private company limited by shares | Live |
| CATHAY INVESTMENT HOLDING COMPANY LIMITED | Private company limited by shares | Live |
| Cathay Strategic Investment Company Limited | Private company limited by shares | Live |
| Cathay Triumph Investment Limited | Private company limited by shares | Live |
| CATHAY SUCCESS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CATHAY JADE & JEWELRY CO., LIMITED | Private company limited by shares | Dissolved |
| CATHAY JOYCE LIMITED | Private company limited by shares | Dissolved |
| CATHAY (HING KEE) INDUSTRIAL CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| CATHAY KNITTERS LIMITED | Private company limited by shares | Live |
| Kunlun Cathay Investment Limited | Private company limited by shares | Live |
| CATHAY LAND COMPANY LIMITED - THE - | Public company limited by shares | Dissolved |
| CATHAY LEATHERCRAFTS LIMITED | Private company limited by shares | Dissolved |
| CATHAY LEGAL LIMITED | Private company limited by shares | Live |
| LEMBO CATHAY TRADING LIMITED | Private company limited by shares | Dissolved |
| Star Link Cathay Network Technology Limited | Private company limited by shares | Live |
| CATHAY MAGNETICS LIMITED | Private company limited by shares | Dissolved |
| CATHAY MALAYSIA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CATHAY MALAYSIA TRADING LIMITED | Private company limited by shares | Dissolved |
| CATHAY MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| CATHAY ASSET MANAGEMENT LIMITED | Private company limited by shares | Live |
| CATHAY ATLANTIC SHIPBUILDING AND MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Cathay Capital Management Limited | Private company limited by shares | Live |
| CATHAY CAPITAL ASSET MANAGEMENT CO., LIMITED | Private company limited by shares | Live |