| 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 |
| CATHAY INVESTMENT & MANAGEMENT CO., LIMITED | Private company limited by shares | Dissolved |
| Cathay Commercial Network Management Limited | Private company limited by shares | Live |
| CATHAY HOTEL MANAGEMENT (GROUP) CO. LIMITED | Private company limited by shares | Dissolved |
| Cathay Merit Investment Management Company Limited | Private company limited by shares | Live |
| CATHAY PACIFIC INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| SOUTH CATHAY MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| CATHAY MANSION OWNERS & TENANTS FRATERNITY LIMITED | Company limited by guarantee | Dissolved |
| CHANG'AN CATHAY MANUFACTURE LIMITED | Private company limited by shares | Dissolved |
| CATHAY CARPET MANUFACTURERS LIMITED | Private company limited by shares | Dissolved |
| CATHAY MANUFACTURING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Cathay Marble Manufacturing Co., Limited | Private company limited by shares | Live |
| CATHAY MARINE LIMITED | Private company limited by shares | Dissolved |
| Cathay Harvest Marine Limited | | Live |
| Cathay New Sea Maritime Limited | | Live |
| CATHAY BULLION MARKETING SERVICES LIMITED | Private company limited by shares | Dissolved |
| CATHAY MARKETING SERVICES LIMITED | Private company limited by shares | Dissolved |
| CATHAY ADVANCED MATERIALS LIMITED | Private company limited by shares | Live |
| Cathay Media Group (Hong Kong) Limited | Private company limited by shares | Live |
| CATHAY HYPER MEDIA GROUP LIMITED | Private company limited by shares | Dissolved |
| Cathay Medical Alliance Limited | Private company limited by shares | Live |
| Cathay Medical Co., Limited | Private company limited by shares | Live |
| CATHAY MEDICINE (1946) COMPANY, LIMITED | Private company limited by shares | Dissolved |
| CATHAY MERCANTILE, LIMITED | Private company limited by shares | Dissolved |
| CATHAY TAT MING METAL MANUFACTORY LIMITED | Private company limited by shares | Live |
| CATHAY NANO MICROSPHERE LIMITED | Private company limited by shares | Dissolved |
| CATHAY METALS AND MINERALS LIMITED | Private company limited by shares | Live |
| CATHAY NICHROM MINING LIMITED | Private company limited by shares | Dissolved |
| CATHAY MOTION PICTURE STUDIOS LIMITED | Private company limited by shares | Live |
| MOUNT CATHAY LIMITED | Private company limited by shares | Live |
| NATIONAL CATHAY LIMITED | Private company limited by shares | Dissolved |
| Cathay Natural Beautique Company Limited | Private company limited by shares | Live |
| CATHAY OLYMPIC INVESTMENTS LIMITED | Private company limited by shares | Live |
| CATHAY OPTICAL ASIA LIMITED | Private company limited by shares | Live |
| CATHAY OVERSEAS CO. LIMITED | Private company limited by shares | Dissolved |
| CATHAY MERCANTILE (OVERSEAS) LIMITED | Private company limited by shares | Dissolved |
| CATHAY OVERSEAS SUPPLY LIMITED | Private company limited by shares | Dissolved |
| CATHAY OVERSEAS TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY PACIFIC AIRWAYS LIMITED | Public company limited by shares | Live |
| CATHAY PAPER PRODUCTS FACTORY LIMITED | Private company limited by shares | Dissolved |
| CATHAY PARTNERS LIMITED | | Live |
| Cathay Capital Partners Limited | Private company limited by shares | Live |
| HONG KONG CATHAY PATENT AND TRADEMARK COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY PENCIL COMPANY, LIMITED | Private company limited by shares | Dissolved |
| CATHAY PETROCHEM LIMITED | Private company limited by shares | Dissolved |
| CATHAY PHARMACEUTICALS AND CHEMICALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CATHAY PHOTO COMPANY LIMITED | Private company limited by shares | Live |
| Cathay Photonics Limited | Private company limited by shares | Live |
| CATHAY (PIECE GOODS) COMPANY, LIMITED | Private company limited by shares | Dissolved |
| PIONEER CATHAY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CATHAY PLATINUM RESOURCE CAPITAL LIMITED | Private company limited by shares | Dissolved |
| CATHAY POWER LIMITED | Private company limited by shares | Dissolved |
| CATHAY PRESS LIMITED | Private company limited by shares | Dissolved |
| CATHAY METAL PRESSWORKS, LIMITED -THE- | Private company limited by shares | Dissolved |
| HK CATHAY PRINCEPS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CATHAY FILM PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| CATHAY PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| CATHAY ATLANTIC PRODUCTS LIMITED | Private company limited by shares | Live |
| Cathay Safety Products Limited | Private company limited by shares | Live |
| CATHAY PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| CATHAY PROPERTY LIMITED | Private company limited by shares | Dissolved |
| CATHAY PROPERTY AGENCY LIMITED | Private company limited by shares | Live |