| BLUE WHALE TECHNOLOGY AND TRADING LIMITED | | Live |
| BLUE WING TRADING COMPANY LIMITED | Private company limited by shares | Live |
| ZHEJIANG BLUE OCEAN TRADING CO., LIMITED | Private company limited by shares | Live |
| Blue Education Training Institutions Way Co., Limited | Private company limited by shares | Dissolved |
| NOR BLUE TRANDING LIMITED | Private company limited by shares | Live |
| BLUE TRANSPORT LIMITED | Private company limited by shares | Live |
| OCEAN BLUE TRANSPORT LIMITED | Private company limited by shares | Live |
| BLUE SKY TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| Sky Blue Transportation Limited | Private company limited by shares | Live |
| Blue Sky Travel Limited | Private company limited by shares | Live |
| BLUE ASIA TRAVEL COMPANY LIMITED | Private company limited by shares | Live |
| BLUE COAST BUSINESS TRAVEL LIMITED | | Live |
| Blue Ocean Travel Limited | Private company limited by shares | Live |
| BLUE SEA TRAVEL SERVICE LIMITED | Private company limited by shares | Live |
| Blue Wonder Travel Company Limited | Private company limited by shares | Live |
| BLUE TREASURE LIMITED | Private company limited by shares | Live |
| BLUE TREASURE SHIPPING CO., LIMITED | Private company limited by shares | Live |
| Blue Tree Limited | Private company limited by shares | Live |
| Blue Triangle Limited | Private company limited by shares | Live |
| Blue Triangle Capital Limited | Private company limited by shares | Live |
| HK BLUE TRIBUTE TRADING LIMITED | | Live |
| Trident Blue Asia Limited | Private company limited by shares | Dissolved |
| TRIUMPH BLUE LIMITED | Private company limited by shares | Live |
| TRUE BLUE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRUE BLUE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| TRUE BLUE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| 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 |