| TRULY BLUE LIMITED | Private company limited by shares | Live |
| BLUE TURKEY TRADING CO., LIMITED | Private company limited by shares | Live |
| Blue Tycoon Limited | Private company limited by shares | Live |
| BLUE ULTRA SYSTEM LIMITED | Private company limited by shares | Live |
| Blue Umbrella Limited | Private company limited by shares | Live |
| BLUE RAIN UMBRELLA COMPANY LIMITED | Private company limited by shares | Dissolved |
| BLUE BELT GROUP BLUE UNCLE BEER LIMITED | Private company limited by shares | Dissolved |
| UNDLE THE BLUE COMPANY LIMITED | Private company limited by shares | Live |
| BLUE UNICORN LIMITED | Private company limited by shares | Live |
| BLUE UNION LIMITED | Private company limited by shares | Live |
| Blue Sky Union Limited | Private company limited by shares | Live |
| Blue Sea Union Limited | Private company limited by shares | Live |
| BLUE UNION TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| BLUE SKY UNION GROUP LIMITED | Private company limited by shares | Dissolved |
| Blue Stars Union Limited | Private company limited by shares | Live |
| BLUE UNION INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| United Blue ocean (HongKong) Trading Co., Limited | Private company limited by shares | Live |
| BLUE OCEAN UNITED GROUP LIMITED | Private company limited by shares | Live |
| UNIVERSAL BLUE ENERGY LIMITED | Private company limited by shares | Live |
| BLUE OCEAN GROUP (UNIVERSAL) LIMITED | Private company limited by shares | Live |
| Universal Blue Technology Limited | Private company limited by shares | Live |
| BLUE SKY UNIVERSE LIMITED | Private company limited by shares | Live |
| BLUE UNIVERSE INDUSTRY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE UNIVERSE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Universe Blue Sea Technology Co., Limited | | Live |
| URBAN BLUE BRANDING HOLDINGS LIMITED | Private company limited by shares | Live |
| Hong Kong Blue Sky XinCheng Urban Investment Construction Group Limited | Private company limited by shares | Live |
| U.S.A BLUE RIBBON MARTELL BEER (CHINA) LIMITED | Private company limited by shares | Dissolved |
| BLUE VALLEY LIMITED | Private company limited by shares | Live |
| Blue Valley Technology Limited | Private company limited by shares | Live |
| BLUE VALLEY TRADE LIMITED | Private company limited by shares | Live |
| BLUE VALLEY TRADE LIMITED | | Live |
| Blue Valor Limited | Private company limited by shares | Live |
| Deep Blue Value Investment Limited | Private company limited by shares | Live |
| VANILLA BLUE LIMITED | Private company limited by shares | Live |
| BLUE VANILLA COMPANY LIMITED | Private company limited by shares | Live |
| Blue Vantage Limited | Private company limited by shares | Live |
| VAST BLUE LIMITED | Private company limited by shares | Live |
| VAST BLUE LIMITED | Private company limited by shares | Live |
| BLUE VAST HK LIMITED | Private company limited by shares | Live |
| BLUE VAVES LIMITED | Private company limited by shares | Live |
| VECTOR BLUE COMPANY LIMITED | Private company limited by shares | Live |
| BLUE VEENUS LIMITED | Private company limited by shares | Live |
| VEGA BLUE LIMITED | Private company limited by shares | Dissolved |
| VELET BLUE TRADING LIMITED | Private company limited by shares | Live |
| BLUE VELVET LIMITED | Private company limited by shares | Live |
| BLUE SEA VENTURE LIMITED | Private company limited by shares | Live |
| Blue Venture IT Limited | Private company limited by shares | Live |
| BLUE VENTURE CAPITAL LIMITED | Private company limited by shares | Live |
| Blue Oak Ventures HK Limited | Private company limited by shares | Live |
| Blue Key Ventures Limited | Private company limited by shares | Dissolved |
| SKY BLUE VENTURES LIMITED | Private company limited by shares | Live |
| BLUE VENTURES LIMITED | Private company limited by shares | Live |
| BLUE DOT VENTURES LIMITED | Private company limited by shares | Live |
| BLUE SKY VENTURES LIMITED | Private company limited by shares | Live |
| BLUE OX VENTURES LIMITED | Private company limited by shares | Live |
| Blue Ventures Limited | | Live |
| BLUE DRAGON VENTURES LIMITED | Private company limited by shares | Live |
| BLUE HART VENTURES LIMITED | Private company limited by shares | Live |
| BLUE LOGIC VENTURES LIMITED | Private company limited by shares | Live |
| BLUE OCEAN VENTURES LIMITED | Private company limited by shares | Live |
| Blue Sail Ventures Limited | Private company limited by shares | Live |
| Vertical Blue Limited | Private company limited by shares | Live |
| Blue Vessel Limited | Private company limited by shares | Live |
| VICTOR BLUE LIMITED | Private company limited by shares | Dissolved |
| VIDAL BLUE LIMITED | Private company limited by shares | Dissolved |
| Ocean Blue Vineyards Limited | Private company limited by shares | Live |
| BLUE VIOLET COMPANY LIMITED | Private company limited by shares | Dissolved |
| VIRTUAL BLUE LIMITED | Private company limited by shares | Live |
| Blue Vision Limited | | Live |
| BLUE SEA VISION LIMITED | | Live |
| BLUE VISION ACTIVITY LIMITED | Private company limited by shares | Live |
| Blue Vista Hong Kong Limited | Private company limited by shares | Live |
| VITORIA BLUE LIMITED | Private company limited by shares | Live |
| BLUE BOX (VMO) LIMITED | Private company limited by shares | Dissolved |
| BLUE VOLTUS LIMITED | Private company limited by shares | Live |
| Blue Voyager Limited | Private company limited by shares | Live |
| BLUE WALL LIMITED | Private company limited by shares | Live |
| GGV (Blue Wall) Limited | Private company limited by shares | Live |
| BLUE WAREHOUSE CO. LIMITED | Private company limited by shares | Dissolved |
| BLUE WAREHOUSE (H.K.) LIMITED | Private company limited by shares | Live |
| Blue Warships Limited | Private company limited by shares | Live |
| BLUE WATCHES LIMITED | Private company limited by shares | Live |
| BLUE WATER LIMITED | Private company limited by shares | Live |
| Blue Water One Limited | Private company limited by shares | Live |
| Blue Water Limited | | Live |
| Blue Water International (BWI) Limited | Private company limited by shares | Live |
| Caribbean Blue Water Limited | | Live |
| BLUE WATER INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE WATER SHIPPING CO., LIMITED | Private company limited by shares | Live |
| BLUE WATER COMMERCE LIMITED | Private company limited by shares | Live |
| BLUE WATER CONSULTING LIMITED | Private company limited by shares | Live |
| Blue Water Consulting Limited | Private company limited by shares | Live |
| BLUE WATER DIVER LIMITED | Private company limited by shares | Dissolved |
| BLUE WATER DIVER (HK) LIMITED | Private company limited by shares | Dissolved |
| Blue Water Education Services Limited | | Live |
| Blue Water Electronics Limited | | Live |
| BLUE WATER ENERGY LIMITED | Private company limited by shares | Dissolved |
| BLUE WATER OFFSHORE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| BLUE WATER FACTORY LIMITED | Private company limited by shares | Dissolved |