| Y.Y. COMPANY LIMITED | Private company limited by shares | Dissolved |
| Y.Y. INSURANCE AGENCY LIMITED | Private company limited by shares | Live |
| Brother's Eat (YY) Co. Limited | | Live |
| Y.Y. Group (China) Limited | | Live |
| Y.Y. YAO & CO., LIMITED | Private company limited by shares | Live |
| Y.Y. WONG SAFETY CONSULTANTS LIMITED | Private company limited by shares | Live |
| Y.Y. SERVICE CONSULTATION COMPANY LIMITED | Private company limited by shares | Live |
| Y.Y. CORPORATION (HK) LIMITED | Private company limited by shares | Dissolved |
| Y.Y. Farming Technology Limited | | Live |
| Y.Y. JAPANESE FOOD COMPANY LIMITED | Private company limited by shares | Live |
| Y.Y. HUGHES DESIGN COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHAMPION INDUSTRIAL (Y.Y.) LIMITED | Private company limited by shares | Live |
| IMAGE BY Y.Y. INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Y.Y. CHINA AND HONG KONG LOGISTICS COMPANY LIMITED | Private company limited by shares | Live |
| Loving Y.Y. Limited | Private company limited by shares | Live |
| Y.Y. MOTORS COMPANY LIMITED | Private company limited by shares | Live |
| Y.Y. & SONS LIMITED | Private company limited by shares | Live |
| SYSTEMS BY Y.Y. LIMITED | Private company limited by shares | Dissolved |
| W.L. HEALTH (YY) TRADING LIMITED | Private company limited by shares | Dissolved |
| Y.Y. YOUNG FINANCE LIMITED | Private company limited by shares | Dissolved |
| YY1314 LIMITED | | Live |
| YY33 Limited | Private company limited by shares | Live |
| YY906 Limited | Private company limited by shares | Live |
| YY99 LIMITED | Private company limited by shares | Live |
| Y-YANG LIMITED | Private company limited by shares | Live |
| YYANG LIMITED | | Live |
| HK YYANG TRADE CO., LIMITED | Private company limited by shares | Live |
| YYAO LIMITED | Private company limited by shares | Live |
| Y&Y&B Limited | | Live |
| YYBH HK (INT'L) DRESS LIMITED | Private company limited by shares | Dissolved |
| YYCH COMPANY LIMITED | Private company limited by shares | Live |
| YYCOIN LIMITED | Private company limited by shares | Live |
| YYCOSMETICS LIMITED | Private company limited by shares | Live |
| YYCX LIMITED | Private company limited by shares | Live |
| YYDCY Limited | | Live |
| YYDD43.1 COMPANY LIMITED | | Live |
| YYDS LIMITED | Private company limited by shares | Live |
| YYDS LIMITED | | Live |
| YYDS INC LIMITED | | Live |
| YYDS INTERNATIONAL CO., LIMITED | | Live |
| LK Evian YYDS LIMITED | | Live |
| YYDS HOLDING GROUP LIMITED | | Live |
| YYDS IMPORT AND EXPORT TRADE LIMITED | | Live |
| YYDS Asia Trading (HK) LIMITED | | Live |
| YYDS TRADING CO., LIMITED | | Live |
| YYDZIC ELECTRONIC LIMITED | Private company limited by shares | Live |
| YYGD HK LIMITED | Private company limited by shares | Live |
| Y.Y.Global Limited | Private company limited by shares | Live |
| Y.Y.G.M. Asia Limited | Private company limited by shares | Live |
| YYHK LIMITED | Private company limited by shares | Live |
| YYHONG TRADE LIMITED | Private company limited by shares | Live |
| YYHT Company Limited | Private company limited by shares | Live |
| YYHUA TECHNOLOGY LIMITED | | Live |
| YYIDEMEI LIMITED | | Live |
| YYING CO., LIMITED | Private company limited by shares | Live |
| YYIP INDUSTRIAL LIMITED | | Live |
| YYITO CO., LIMITED | Private company limited by shares | Live |
| YYJ-ESG CO, LIMITED | | Live |
| YYJIA LIMITED | | Live |
| YYKE TRADE LIMITED | Private company limited by shares | Live |
| Y.Y.L. GROUP LIMITED | Private company limited by shares | Dissolved |
| YYLIGHTING CO., LIMITED | Private company limited by shares | Live |
| YYLIGHTING TRADE COMPANY LIMITED | Private company limited by shares | Dissolved |
| YYLIN TRADE LIMITED | Private company limited by shares | Live |
| YYLOCK COMPANY LIMITED | Private company limited by shares | Live |
| YY.MAX LIMITED | Private company limited by shares | Live |
| YYME Limited | | Live |
| YYMHEALTH TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK YYMM LIMITED | Private company limited by shares | Live |
| YYMY LIMITED | | Live |
| YYOO Future Home Investment Limited | | Live |
| Y-Young Limited | Private company limited by shares | Live |
| YYQQ Science And Technology Limited | | Live |
| yyResearch Limited | Private company limited by shares | Live |
| Y&YT Limited | Private company limited by shares | Live |
| HONG KONG Y.Y.T. INT'L GROUP LIMITED | Private company limited by shares | Dissolved |
| YY-TECH DEVELOPMENT LIMITED | Private company limited by shares | Live |
| YYTON DIGITAL TECHNOLOGY HK LIMITED | | Live |
| Y-YU TELECOM (HK) CO., LIMITED | Private company limited by shares | Live |
| Yyuan Limited | | Live |
| YYUE TRADE LIMITED | | Live |
| YYUN TRADE LIMITED | Private company limited by shares | Live |
| YYunh Trading Limited | | Live |
| YYWAI LIMITED | | Live |
| YYXI CO Limited | Private company limited by shares | Live |
| YYXPOWER Group Limited | Private company limited by shares | Live |
| Yyybooks Limited | | Live |
| YYYI TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Y.Y.YIP INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Yyyuan Trade Limited | Private company limited by shares | Live |
| YYYX INTERNATIONAL CO., LIMITED | | Live |
| YYYY LIMITED | Private company limited by shares | Live |
| YYYY LIMITED | Private company limited by shares | Live |
| YYYY Crystal Limited | | Live |
| YYZSMNLYY CO., LIMITED | | Live |