| BLUE BIRD GYMNASIUM ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| Blue Bird Enterprise Limited | Private company limited by shares | Live |
| BLUE BIRD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BLUE BIRD INVESTMENTS LIMITED | Private company limited by shares | Live |
| BLACK & BLUE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| BLUE BLEED LIMITED | | Live |
| BLUE SKY ACUPRESSURE & MASSAGE OF BLIND LIMITED | Company limited by guarantee | Dissolved |
| Blue Block Capital Limited | Private company limited by shares | Live |
| Blue Blood Limited | Private company limited by shares | Live |
| BLUE BLOOM LIMITED | Private company limited by shares | Live |
| BLUE BLOSSOM LIMITED | Private company limited by shares | Live |
| BLUE BLOSSOM LIMITED | Private company limited by shares | Live |
| Blue Ocean Blossom Holdings Limited | Private company limited by shares | Live |
| Blue Blot Limited | | Live |
| Blue Board Limited | Company limited by guarantee | Live |
| BLUE BOAT LIMITED | Private company limited by shares | Dissolved |
| Blue Moon Bole Paper Chemical Co., Limited | | Live |
| Blue Boomerang (HK) Holding Co. Limited | Private company limited by shares | Live |
| Blue Border Limited | | Live |
| Blue Bottle Limited | Private company limited by shares | Dissolved |
| Target Group (Blue Box) Limited | Private company limited by shares | Live |
| BLUE BRAND LIMITED | Private company limited by shares | Live |
| Blue Canary Brand Consulting Limited | Private company limited by shares | Live |
| Blue Break Limited | Private company limited by shares | Live |
| Blue Brick Investments Limited | Private company limited by shares | Live |
| BLUE BRICKS HONG KONG LIMITED | Private company limited by shares | Live |
| BLUE BRICKS TEXTILE CO., LIMITED | Private company limited by shares | Live |
| BLUE BRICKS TRADING CO., LIMITED | Private company limited by shares | Live |
| ASIA BLUE BRIDGE LIMITED | Private company limited by shares | Live |
| BLUE BRIDGE CAPITAL LIMITED | Private company limited by shares | Live |
| Blue Dragon Bridge Limited | Private company limited by shares | Live |
| Blue Bridge (HK) Limited | Private company limited by shares | Live |
| Blue Bridge Holding Limited | Private company limited by shares | Live |
| Blue Bridge International Limited | Private company limited by shares | Dissolved |
| BLUE BRIGHT LIMITED | Private company limited by shares | Dissolved |
| BRIGHT BLUE LIMITED | Private company limited by shares | Live |
| BLUE BRIGHT INC LIMITED | Private company limited by shares | Dissolved |
| BLUE BRIGHT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| BLUE BRILLIANT ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE BRILLIANT ENTERPRISE LIMITED | Private company limited by shares | Live |
| BLUE BUBBLE LIMITED | Private company limited by shares | Live |
| FOSHAN BLUE OCEAN BUILDING MATERIALS CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Blue Sky Building Decoration Materials Co., Limited | Private company limited by shares | Live |
| BLUE SKY BUILDING MATERIAL CO., LIMITED | Private company limited by shares | Dissolved |
| Blue Space Building Materials Market Limited | Private company limited by shares | Live |
| SHANDONG BLUE EARTH BUILDING INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Germany Blue Star Building Materials Co., Limited | Private company limited by shares | Live |
| BLUE BULLET LIMITED | Private company limited by shares | Live |
| Blue Bunny CB Limited | Private company limited by shares | Live |
| BUSH BLUE LIMITED | Private company limited by shares | Dissolved |
| BLUE KAN BUSINESS COMPANY LIMITED | Private company limited by shares | Live |
| KAI BLUE BUSINESS LIMITED | Private company limited by shares | Live |
| Blue Sky More Business Limited -The- | Private company limited by shares | Live |
| RICH BLUE BUSINESS LIMITED | | Live |
| BLUE BUTTERFLY JEWELRY CO., LIMITED | Private company limited by shares | Live |
| BLUE BUTTERFLY INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| BLUE SKY BUTTONS & TRIMMING COMPANY LIMITED | Private company limited by shares | Live |
| BLUE CACTUS LIMITED | Private company limited by shares | Live |
| Blue Cafe Limited | Private company limited by shares | Live |
| BLUE ANGEL CAFE COMPANY LIMITED | Private company limited by shares | Live |
| Blue Moon Cafe Limited | Private company limited by shares | Live |
| CANDLE BLUE LIMITED | Private company limited by shares | Dissolved |
| BLUE CANDY SOFTWARE LIMITED | Private company limited by shares | Live |
| Blue Canyon Limited | Private company limited by shares | Live |
| BLUE CAPITAL LIMITED | Private company limited by shares | Dissolved |
| BLUE CAPITAL LIMITED -THE- | Private company limited by shares | Live |
| New Blue Capital Limited | Private company limited by shares | Live |
| Blue Box Capital Limited | | Live |
| HK Blue Ocean Capital Co., Limited | | Live |
| BLUE DRAGON CAPITAL LIMITED | Private company limited by shares | Dissolved |
| BLUE ELEPHANT CAPITAL LIMITED | Private company limited by shares | Live |
| BLUE OCEAN CAPITAL LIMITED | Private company limited by shares | Live |
| SDF BLUE OCEAN CAPITAL LIMITED | Private company limited by shares | Live |
| Blue Rock Capital Limited | Private company limited by shares | Live |
| Blue Dragon Trading and Venture Capital Limited | Private company limited by shares | Live |
| Blue Capri Limited | | Live |
| Blue Capricorn Investments Limited | Private company limited by shares | Live |
| Blue Carbon Limited | Private company limited by shares | Live |
| Blue Carbon Energy Limited | | Live |
| BLUE CARBON ASSET HONG KONG LIMITED | Private company limited by shares | Dissolved |
| BLUE CARBON INTERNATIONAL COMPANY LIMITED | | Live |
| Carbon Blue Technologies Limited | Private company limited by shares | Live |
| BLUE CARBON TECHNOLOGY COMPANY LIMITED | | Live |
| BLUE CARE LIMITED | Private company limited by shares | Live |
| Blue Cargo Shipping Co., Limited | Private company limited by shares | Live |
| BLUE CARGO HONG KONG LIMITED | Private company limited by shares | Live |
| Carolina Blue Limited | Private company limited by shares | Live |
| BLUE CARRIER LINES LIMITED | Private company limited by shares | Dissolved |
| BLUE CASTLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| BLUE CASTLE LIMITED | Private company limited by shares | Live |
| BLUE CASTLE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BLUE CASTLE INVESTMENTS LIMITED | Private company limited by shares | Live |
| BLUE CASTLE PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| BLUE CASTTE HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| BLUE SKY CATERING LIMITED | Private company limited by shares | Live |
| Blue Bird CFK Brother Catering Company Limited | Private company limited by shares | Live |
| CELESTIAL BLUE LIMITED | Private company limited by shares | Dissolved |
| Blue Cell Investments Limited | Private company limited by shares | Live |
| BLUE CELLUTION LIMITED | Private company limited by shares | Live Commenced dormancy on 31-Dec-2015 |
| HONGKONG BLUE SKY FOREIGN LANGUAGE EDUCATION CENTER LIMITED | Private company limited by shares | Dissolved |