| COOLKIN LIMITED | Private company limited by shares | Live |
| Hong Kong Coolla Trading Co., Limited | Private company limited by shares | Live |
| COOLLAND INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Hong Kong CoolLight Optoelectronics Technology Co., Limited | Private company limited by shares | Live |
| COOLLITE LIMITED | Private company limited by shares | Live |
| Coollive Culture Media Limited | | Live |
| COOLLONG LIMITED | Private company limited by shares | Live |
| COOLMA TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| COOLMAB COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 04-May-2016 |
| COOLMART CORPORATE LIMITED | Private company limited by shares | Live |
| COOLMASTER LIMITED | Private company limited by shares | Live |
| Coolmax Technology Co., Limited | Private company limited by shares | Live |
| HONGKONG COOL-MAX CULTURE GROUP LIMITED | Private company limited by shares | Live |
| COOLMAX INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Wuhu Coolmax Heat Exchanger Co., Limited | Private company limited by shares | Live |
| Coolmay Limited | Private company limited by shares | Live |
| COOLMAY CONSULTATION CO., LIMITED | Private company limited by shares | Live |
| Coolmay (HK) Technology Co., Limited | Private company limited by shares | Live |
| COOLMELON GROUP (HK) LIMITED | Private company limited by shares | Live |
| COOLMI HK LIMITED | Private company limited by shares | Live |
| COOLMIX LIMITED | Private company limited by shares | Live |
| COOLMOBI LIMITED | Private company limited by shares | Live |
| COOLMOBILE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Coolnei Trade Limited | | Live |
| COOLOCAT LIMITED | Private company limited by shares | Live |
| COOLON ENTERPRISE LIMITED | Private company limited by shares | Live |
| Coolpad E-Commerce Limited | Private company limited by shares | Live |
| COOLPAI INDUSTRY HOLDING CO., LIMITED | Private company limited by shares | Live |
| Coolpart Electronic Technology Company Limited | Private company limited by shares | Live |
| COOLPAUL LIMITED | Private company limited by shares | Live |
| Hong Kong Coolpet Trading Co., Limited | | Live |
| CoolPharm Limited | Private company limited by shares | Live |
| COOLPHOENIX TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG COOLPHONE HOLDINGS CO., LIMITED | Private company limited by shares | Dissolved |
| COOLPIX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Coolplay Limited | Private company limited by shares | Live |
| COOLPLAY HK LIMITED | | Live |
| COOLPO TRADING LIMITED | Private company limited by shares | Dissolved |
| COOLPOINT LIMITED | Private company limited by shares | Live |
| CoolPoint HK Limited | | Live |
| COOL-PR LIMITED | Private company limited by shares | Live |
| CoolProducts Limited | Private company limited by shares | Live |
| Coolrise Logistic Company Limited | | Live |
| COOLSA.COM LIMITED | Private company limited by shares | Dissolved |
| COOLSA.COM LIMITED | Private company limited by shares | Dissolved |
| Coolshow Display Co., Limited | Private company limited by shares | Live |
| Coolshow Technology Limited | Private company limited by shares | Live |
| COOLSON GLOBAL LIMITED | | Live |
| COOLSONIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| COOLSOON LIMITED | Private company limited by shares | Live |
| COOLSPEAK LIMITED | Private company limited by shares | Dissolved |
| COOLSTAR LIMITED | Private company limited by shares | Dissolved |
| Coolstar HK Limited | | Live |
| CoolStor Hong Kong Limited | Private company limited by shares | Live |
| COOLSTREAM INTERNATIONAL LIMITED | Private company limited by shares | Live |
| COOLSTUFFER LIMITED | Private company limited by shares | Dissolved |
| COOLSURE LIMITED | Private company limited by shares | Live |
| COOLTAT INDUSTRIAL (HK) CO., LIMITED | Private company limited by shares | Live |
| H.K. WONG LO KAT COOL-TEA BEVERAGE LIMITED | Private company limited by shares | Live |
| COOLTEC ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| COOLTEK GROUP LIMITED | | Live |
| COOLTEQ LIMITED | Private company limited by shares | Live |
| COOLTEX HK LIMITED | Private company limited by shares | Live |
| Cooltex Technology (Hong Kong) Co., Limited | Private company limited by shares | Live |
| Coolthing Investment Limited | | Live |
| Coolthings Holding Limited | Private company limited by shares | Live |
| COOL-THREE-D(HOLLAND) LIMITED | Private company limited by shares | Live |
| COOLTINT LIMITED | Private company limited by shares | Dissolved |
| COOLTRACK (ASIA) LIMITED | Private company limited by shares | Dissolved |
| COOLTRACK (HK) LIMITED | Private company limited by shares | Live |
| coolu Limited | | Live |
| Coolu International Trading Co., Limited | Private company limited by shares | Live |
| Shenzhen Coolub Technology Co., Limited | Private company limited by shares | Live |
| COOLUP ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| COOLUX CHINA LIMITED | Private company limited by shares | Live |
| COOLUX ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| COOLUX ELECTRO-OPTICS COMPANY LIMITED | Private company limited by shares | Live |
| COOLUX LIGHTING COMPANY LIMITED | Private company limited by shares | Live |
| Coolux Technology Limited | Private company limited by shares | Live |
| Hongkong Coolvapors Trading Limited | | Live |
| COOLWAVE COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| COOL-WAVE (H.K.) LIMITED | Private company limited by shares | Live |
| COOL-WAVE (H.K.) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| COOLWAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| CoolWebEasy Limited | Private company limited by shares | Dissolved |
| COOLWHARF LIMITED | Private company limited by shares | Live |
| COOLWIN INC LIMITED | Private company limited by shares | Live |
| COOLWIN LIMITED | | Live |
| COOLWIN (CHINA) HOLDING LIMITED | Private company limited by shares | Live |
| Coolwin Technologies Co., Limited | Private company limited by shares | Live |
| CoolWind Co., Limited | Private company limited by shares | Live |
| COOLWO SPORTSWEAR CO., LIMITED | Private company limited by shares | Live |
| COOLWOOD LIMITED | Private company limited by shares | Live |
| Cooly Limited | Private company limited by shares | Live |
| COOLYAD (CHINA) BEER CO., LIMITED | Private company limited by shares | Live |
| COOLYONG LIMITED | Private company limited by shares | Live |
| COOLZINES LIMITED | Private company limited by shares | Live |
| COOLZON HK LIMITED | | Live |
| Cool-Zone Trading (HongKong) Co., Limited | Private company limited by shares | Live |