| BLUE STAR SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| BLUE STAR SOLUTIONS LIMITED | | Live |
| BLUE STAR STABLE LIMITED | Private company limited by shares | Live |
| BLUE STAR TALK LIMITED | Private company limited by shares | Dissolved |
| Blue Star Tobacco Company Limited | Private company limited by shares | Live |
| BLUE STAR TOURIST COMPANY LIMITED | Private company limited by shares | Live |
| AQUA BLUE STAR TRADING LIMITED | Private company limited by shares | Live |
| Blue Stard Industries Limited | Private company limited by shares | Live |
| BLUE STARLING LIMITED | Private company limited by shares | Dissolved |
| BLUE STARS LIMITED | Private company limited by shares | Live |
| BLUE OCEAN STARTECH LIMITED | Private company limited by shares | Live |
| BLUE STATE LIMITED | Private company limited by shares | Live |
| BLUE SEA STATIONERY & GIFT CO., LIMITED | Private company limited by shares | Dissolved |
| SKY BLUE FURNITURE & STATIONERY LIMITED | Private company limited by shares | Live |
| Blue Steel Limited | Private company limited by shares | Live |
| Blue Steel Limited | | Live |
| BLUE STEEL HOLDINGS LIMITED | Private company limited by shares | Live |
| Blue Star Steel Integrated House Hong Kong Limited | Private company limited by shares | Live |
| Shenzhen Blue Steel Lighting Limited | Private company limited by shares | Live |
| Blue Ocean Steel International Trading Company Limited | Private company limited by shares | Live |
| BLUE OCEAN STOCK CO., LIMITED | Private company limited by shares | Dissolved |
| USA BLUE RIBBON GROUP STOCKS LIMITED | Private company limited by shares | Dissolved |
| BLUE STONE LIMITED | Private company limited by shares | Dissolved |
| BLUE STONE LIMITED | Private company limited by shares | Live |
| BLUE STONE HONG KONG TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Blue Stone Group Limited | Private company limited by shares | Live |
| BLUE STONE INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| Blue Stone Management Limited | Private company limited by shares | Live |
| BLUE STONE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| BLUE STONE PLASTIC TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| BLUE STORK LIMITED | Private company limited by shares | Live |
| BLUE STORM CAPITAL LIMITED | Private company limited by shares | Live |
| BLUE STORM ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| BLUE OCEAN STRATEGIC LIMITED | Private company limited by shares | Dissolved |
| Blue Ocean (Strategic) Limited | Private company limited by shares | Dissolved |
| BLUE OCEAN STRATEGY COMPANY LIMITED | Private company limited by shares | Live |
| OCEAN BLUE STRATEGY COMPANY LIMITED | Private company limited by shares | Live |
| Blue Strawberry Holdings Limited | Private company limited by shares | Live |
| Deep Blue Straws Limited | Private company limited by shares | Live |
| Blue Streak Trading Limited | | Live |
| Blue Stripe Capital Limited | Private company limited by shares | Dissolved |
| DEEP BLUE STUDIO LIMITED | Private company limited by shares | Dissolved |
| Blue Door Studio Limited -The- | Private company limited by shares | Live |
| Blue Lake Studio Limited | | Live |
| Blue Salt Studio Limited | Private company limited by shares | Live |
| Blue Velvet Studios Limited | Private company limited by shares | Live |
| BLUE SKY STUDY CO LIMITED | Private company limited by shares | Live |
| HONGKONG BLUE STYLE INTERNATIONAL CULTURE ART CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE STYLE TRADING COMPANY LIMITED | Private company limited by shares | Live |
| BLUE OCEAN SUCCESS LIMITED | Private company limited by shares | Live |
| SUMMER BLUE LIMITED | Private company limited by shares | Live |
| Blue Summer Trading Company Limited | Private company limited by shares | Live |
| Blue Summit Digital Limited | | Live |
| SUNNY BLUE LIMITED | Private company limited by shares | Live |
| BLUE SUNSHINE LIMITED | Private company limited by shares | Live |
| BLUE SEA OFFICE SUPPLIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| BLUE ROCK SUPPLY CHAIN HK CO., LIMITED | | Live |
| BLUE SUPREME LIMITED | Private company limited by shares | Live |
| SUPREME BLUE LIMITED | Private company limited by shares | Live |
| Blue Hawaii Surf (China) Limited | Private company limited by shares | Live |
| BLUE SURPLUS LIMITED | Private company limited by shares | Live |
| SUSSIE BLUE LIMITED | Private company limited by shares | Live |
| BLUE SWALLOW HONG KONG LIMITED | Private company limited by shares | Live |
| BLUE SWAN LIMITED | Private company limited by shares | Live |
| Blue Swan Investment Co., Limited | Private company limited by shares | Live |
| Blue Swan Technology Limited | Private company limited by shares | Live |
| BLUE SYNDICATE LIMITED | Private company limited by shares | Live |
| BLUE NILE SYSTEMS LIMITED | Private company limited by shares | Live |
| BLUE MARLIN FISHING TACKLE LIMITED | Private company limited by shares | Live |
| BLUE TALENT LIMITED | Private company limited by shares | Live |
| Blue Ocean Talents Limited | Private company limited by shares | Live |
| Blue Talon Limited | Private company limited by shares | Dissolved |
| Tamao Blue Limited | | Live |
| Blue Tangent Limited | | Live |
| Deep Blue Think Tank Science Research Limited | Private company limited by shares | Live |
| BLUE TAXICABS LIMITED -THE- | Private company limited by shares | Live |
| BLUE OCEAN TEAM COMPANY LIMITED | Private company limited by shares | Live |
| Blue Tears Limited | Private company limited by shares | Live |
| Blue Tears Limited | | Live |
| TECH BLUE LIMITED | Private company limited by shares | Live |
| BLUE SKY ECO TECH COMPANY LIMITED | Private company limited by shares | Live |
| HK BLUE GEM TECH LIMITED | | Live |
| Blue Charm Tech Company Limited | | Live |
| BLUE SKY SMART TECH LIMITED | | Live |
| BLUE TECH IT SOLUTIONS LIMITED | | Live |
| BLUE SPACE TECH LIMITED | | Live |
| Blue Victory Tech Limited | | Live |
| BLUE WAVE TECH LIMITED | Private company limited by shares | Dissolved |
| Ocean Blue Technical Service Co., Limited | Private company limited by shares | Live |
| BLUE OCEAN METAL TECHNICAL LIMITED | Private company limited by shares | Live |
| BLUE OCEAN TECHNICAL & SERVICES LIMITED | Private company limited by shares | Live |
| BLUE FIN TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| BLUE SKY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Blue Sky Technologies Limited | Private company limited by shares | Live |
| Blue Ark Technologies Limited | | Live |
| BLUE OCEAN DISPLAY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| BLUE DRAGON TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| BLUE ELECTRONIC TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Blue Leaf Technologies Limited | Private company limited by shares | Live |
| BLUE MOON TECHNOLOGIES LIMITED | Private company limited by shares | Live |