| Blue Star Co., Limited | Private company limited by shares | Live |
| Blue Star Trade Co., Limited | Private company limited by shares | Live |
| BLUE SKY CROSS STITCH PLAN (HK) CO., LIMITED | Private company limited by shares | Live |
| Blue Supergalaxy Trading Co., Limited | | Live |
| BLUE SWORD HOLDING GROUP (HK) CO., LIMITED | Private company limited by shares | Live |
| Blue Sword Holding Group (HK) Co., Limited | Private company limited by shares | Live |
| Blue Ocean Purified Water System Co., Limited | Private company limited by shares | Dissolved |
| Aomei Blue Sky Tech Co., Limited | Private company limited by shares | Live |
| Blue Leader Tech Co., Limited | Private company limited by shares | Live |
| OCEAN BLUE TECH CO., LIMITED | Private company limited by shares | Live |
| Blue Tech Trade Co., Limited | Private company limited by shares | Dissolved |
| Blue Sky & Sea Technology Co., Limited | Private company limited by shares | Dissolved |
| BLUE SEA TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| FW Blue Sky Ad Technology Co., Limited | | Live |
| ASIA BLUE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| DONGGUAN BLUE SKY TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BLUE SEA INTERNET TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BLUE MOON TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Blue Ocean Technology Co., Limited | Private company limited by shares | Live |
| OCEAN BLUE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BLUE POWER TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BLUE SKY PRECISION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BLUE SOLAR TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BLUE SPACE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Blue Wind Technology Co., Limited | Private company limited by shares | Dissolved |
| TELIN BLUE SKY CO., LIMITED | Private company limited by shares | Live |
| BLUE SKY TIME CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE DREAM INTERNATIONAL CRUISE TOURISM HOLDING CO., LIMITED | | Live |
| BLUE TRADE CO., LIMITED | Private company limited by shares | Live |
| BLUE X TRADE CO., LIMITED | Private company limited by shares | Live |
| Blue H Trade Co., Limited | | Live |
| BLUE OCEAN IMPORT & EXPORT TRADE CO., LIMITED | Private company limited by shares | Live |
| BLUE ICE TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| All Blue Trading Co., Limited | Private company limited by shares | Live |
| HK BLUE SKY TRADING CO., LIMITED | Private company limited by shares | Live |
| BLUE FUN TRADING CO., LIMITED | Private company limited by shares | Live |
| BLUE BLUE TRADING CO., LIMITED | Private company limited by shares | Live |
| BLUE SEE TRADING CO., LIMITED | Private company limited by shares | Live |
| BLUE BOW TRADING CO., LIMITED | Private company limited by shares | Live |
| Blue Sky HK Trading Co., Limited | | Live |
| Asia Blue Ocean Trading Co., Limited | | Live |
| BLUE BIRD TRADING CO., LIMITED | Private company limited by shares | Live |
| Blue Brid Trading Co., Limited -The- | Private company limited by shares | Live |
| Collar Blue Trading Co., Limited | | Live |
| Blue Contango Trading Co., Limited | | Live |
| Blue Dragon Trading Co., Limited | Private company limited by shares | Live |
| Blue Sky Footwear Trading Co., Limited | Private company limited by shares | Live |
| BLUE FREIGHT TRADING CO., LIMITED -THE- | Private company limited by shares | Dissolved |
| BLUE SKY GENERAL TRADING CO., LIMITED | Private company limited by shares | Live |
| BLUE GENERAL TRADING CO., LIMITED | Private company limited by shares | Live |
| TOP BLUE HILL TRADING CO., LIMITED | Private company limited by shares | Live |
| lucky blue trading co., Limited | Private company limited by shares | Live |
| Yu Ming Blue Trading Co., Limited | Private company limited by shares | Live |
| YI WU BLUE POWER TRADING CO., LIMITED | Private company limited by shares | Live |
| BLUE SEA RESOURCES IMP & EXP TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE OCEAN SHIPPING & TRADING CO., LIMITED | Private company limited by shares | Live |
| Blue skies Trading Co., Limited | Private company limited by shares | Live |
| Blue Wind Trading Co., Limited | | Live |
| SKY BLUE TRANSPORTATION CO., LIMITED | Private company limited by shares | Live |
| BLUE OCEAN TSUSHO TRADING CO., LIMITED | Private company limited by shares | Live |
| Blue Ureachem Co., Limited | Private company limited by shares | Live |
| USA. BLUE RIBBON GROUP (GD) CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE WHALE (CHINA) CO., LIMITED | Private company limited by shares | Dissolved |
| Blue Whale AI Technology Co., Limited | Private company limited by shares | Live |
| Blue Whale Entertainment Technology Co., Limited | | Live |
| Blue Whale Trading Co., Limited | | Live |
| Whale Blue Trading Co., Limited | | Live |
| Blue Ocean Wisdom Technology Co., Limited | Private company limited by shares | Live |
| Blue Yuexiang Group Co., Limited | | Live |
| BLUE COAST LIMITED | Private company limited by shares | Live |
| FRANCE BLUE COAST WINE LIMITED | Private company limited by shares | Dissolved |
| BLUE COAT SYSTEMS HK LIMITED | Private company limited by shares | Live |
| Blue COBOL Limited | Private company limited by shares | Dissolved |
| BLUE COCOON LIMITED | Private company limited by shares | Dissolved |
| BLUE CODE INTERNET TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Blue Coast Coffee Appliances Co., Limited | Private company limited by shares | Live |
| BLUE FAIRY COFFEE (CHINA HONG KONG) HOLDINGS LIMITED | Private company limited by shares | Live |
| Blue Bottle Coffee Hong Kong Limited | Private company limited by shares | Live |
| Blue Color Sky Aviation Company Limited | Private company limited by shares | Live Commenced dormancy on 18-Oct-2018 |
| BLUE COLOR ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| BLUE COLOR (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| FRENCH BLUE COLOR COSMETICS (HONGKONG) INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Sichuan Blue Colour (HK) Electronics Technology Company Limited | Private company limited by shares | Dissolved |
| Blue Commerce Limited | | Live |
| HK Blue Apple Commerce And Trade Co., Limited | Private company limited by shares | Live |
| BLUE SKY COMMERCE DEVELOPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE BACK ELECTRONIC COMMERCE LIMITED | Private company limited by shares | Live |
| NEW ERA BLUE BIRD ELECTRONIC COMMERCE CO., LIMITED | | Live |
| BLUE SEA COMMERCE GROUP CO., LIMITED | | Live |
| BLUE COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| BLUE BOXING COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Green and Blue Cultural Communication Limited | Private company limited by shares | Live |
| BLUE QUEEN CULTURAL COMMUNICATION LIMITED | Private company limited by shares | Live |
| Blue Skyline Communication Limited | Private company limited by shares | Live |
| Blue Star Communication Limited | Private company limited by shares | Live |
| Sky Blue Communication Technology Limited | | Live |
| Blue Coast Communication Technology Hk Co., Limited | Private company limited by shares | Live |
| BLUE MOON COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| Blue comoro Limited | Private company limited by shares | Live |
| SKY BLUE COMPUTER SYSTEM LIMITED | Private company limited by shares | Dissolved |