| KEYS LEARNER LIMITED | Private company limited by shares | Live |
| KAI MING LOCKS & KEYS SERVICES DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| KEYS LOGISTICS (H.K.) LIMITED | Private company limited by shares | Live |
| LUCKY KEYS LIMITED | Private company limited by shares | Live |
| Open Keys Limited | Private company limited by shares | Live |
| RADICAL KEYS CO., LIMITED | Private company limited by shares | Live |
| Royal Keys Market Limited | Private company limited by shares | Live |
| KOREA SECRET KEY'S LOVE LIMITED | Private company limited by shares | Live |
| SEVEN KEYS LIMITED | | Live |
| SHINY KEYS LIMITED | Private company limited by shares | Live |
| SINO KEYS LIMITED | Private company limited by shares | Live |
| SINO KEYS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SOCIETY OF THE GOLDEN KEYS OF HONG KONG LIMITED -THE- | Company limited by guarantee | Dissolved |
| Society of the Golden Keys of Hong Kong Map Limited -The- | Private company limited by shares | Live |
| WELL KEYS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| THREE KEYS LIMITED | Private company limited by shares | Live |
| Digital Trade Keys Limited | Private company limited by shares | Live |
| Wangfan Keys Advertising Co., Limited | Private company limited by shares | Live |
| Wangfan Keys Advertising Co., Limited | | Live |
| WIDE KEYS DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Keys2China Limited | Private company limited by shares | Live |
| KEYS2FUN HOLDING LIMITED | Private company limited by shares | Live |
| KEYSBERG LIMITED | Private company limited by shares | Dissolved |
| KEYSBOND LIMITED | Private company limited by shares | Live |
| KEYSBOOK LIMITED | Private company limited by shares | Live |
| KEYSBOROUGH LIMITED | Private company limited by shares | Dissolved |
| Keysecu Electronic Limited | Private company limited by shares | Live |
| KEY-SEEDS ENLIGHTENMENT EDUCATION CENTRE LIMITED | Private company limited by shares | Live |
| KEYSFUND CHINA LIMITED | Private company limited by shares | Live |
| KEYSHARE LIMITED | Private company limited by shares | Live |
| KEYSHIA INTERNATIONAL WEDDING DRESS CO., (H.K.) LIMITED | Private company limited by shares | Dissolved |
| KEYSHING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Keysida Company Limited | Private company limited by shares | Live |
| KEYSINO LIMITED | Private company limited by shares | Dissolved |
| Keysion Technology Limited | | Live |
| KEYSKY COMPANY, LIMITED | Private company limited by shares | Live |
| Keysky Management Limited | Private company limited by shares | Live |
| Keysky Finance Assets Management Limited | Private company limited by shares | Dissolved |
| KEYSMART LIMITED | Private company limited by shares | Dissolved |
| KEYSMART LIMITED | Private company limited by shares | Dissolved |
| KEYSMART INC LIMITED | Private company limited by shares | Live |
| KEYSMART CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| KEYSMART CORPORATION LIMITED | Private company limited by shares | Live |
| KEYSMART TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| KEYSMART DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| KEYSMART (HK) LIMITED | Private company limited by shares | Dissolved |
| KEYSMART HOLDINGS LIMITED | Private company limited by shares | Live |
| KEYSMART (HONGKONG) LIMITED | Private company limited by shares | Live |
| KEYSMART INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| KEYSMART INDUSTRIAL LIMITED | Private company limited by shares | Live |
| KEYSMART INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| KEYSMART INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KEYSMART INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KEYSMART TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| KEYSMART TRADING LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Jun-2014 |
| Keysmash Limited | | Live |
| Keysmay (HK) Co., Limited | Private company limited by shares | Live |
| KEYSOC LIMITED | Private company limited by shares | Live |
| KEYSOFT LIMITED | Private company limited by shares | Dissolved |
| KEYSON & CO. LIMITED | Private company limited by shares | Live Commenced dormancy on 28-May-2003 |
| KEYSON CORPORATION LIMITED | Private company limited by shares | Live |
| Keyson Fitness Limited | Private company limited by shares | Live |
| Keyson Fitness NTK Limited | | Live |
| Keyson Fitness TM Limited | | Live |
| KEYSON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| KEYSON INTERNATIONAL LIMITED | Private company limited by shares | Live |
| KEYSON INVESTMENT LIMITED | Private company limited by shares | Live |
| KEYSON MARKETING LIMITED | Private company limited by shares | Live |
| KEYSON TRADING LIMITED | Private company limited by shares | Dissolved |
| KEYSONIC LIMITED | Private company limited by shares | Dissolved |
| KEYSOUND INVESTMENTS LIMITED | Private company limited by shares | Live |
| KEYSOUND PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Keysound-mag Limited | | Live |
| KeySources Limited | Private company limited by shares | Live |
| KEYSOURCING LIMITED | Private company limited by shares | Live |
| KEYSPACE INCORPORATION LIMITED | Private company limited by shares | Live |
| KEYSPARK COMPANY LIMITED | Private company limited by shares | Dissolved |
| KEYSQUARE COMMUNICATION LIMITED | Private company limited by shares | Live |
| Keyssa Hong Kong Limited | Private company limited by shares | Live |
| KEYSTAR COMPANY, LIMITED | Private company limited by shares | Dissolved |
| KEYSTAR LIMITED | Private company limited by shares | Live |
| KEYSTAR ENTERPRISES LIMITED | Private company limited by shares | Live Commenced dormancy on 25-Jun-2015 |
| KeyStarter Limited | | Live |
| KEY-STATE INTERNATIONAL CORPORATION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| KEYSTER LAND INVESTMENT COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 16-Apr-2008 |
| KEYSTON INVESTMENT LIMITED | Private company limited by shares | Live |
| KEYSTONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| KEYSTONE LIMITED | Private company limited by shares | Dissolved |
| KEYSTONE LIMITED | Private company limited by shares | Live |
| KEYSTONE HK LIMITED | Private company limited by shares | Live |
| KEYSTONE ASIA LIMITED | Private company limited by shares | Live |
| KEYSTONE CAPITAL LIMITED | Private company limited by shares | Live |
| HK KEYSTONE CAPITAL LIMITED | Private company limited by shares | Live |
| Keystone Catalyst Limited | Private company limited by shares | Live |
| Keystone Consultancy Limited | | Live |
| KEYSTONE DIGITAL COMPANY LIMITED | | Live |
| ARCH & Keystone Education Limited | Private company limited by shares | Live |
| KeyStone Enterprise Limited | Private company limited by shares | Dissolved |
| KEYSTONE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KEYSTONE ENTERPRISES HK LIMITED | Private company limited by shares | Dissolved |