| HONG KONG BLUE OCEAN WATER SPORTS LIMITED | Private company limited by shares | Live |
| HONG KONG OCEAN BLUE YACHTING LIMITED | Private company limited by shares | Live |
| AMERICA BLUE BLOOD MOBILITY HIGH-TECH ORGANISMS TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| PACIFIC BLUE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| BLUE PETER TRADING COMPANY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| BLUE FUN PLASTICS (HONG KONG) LIMITED | Private company limited by shares | Live |
| Blue Ocean Wind Power Engineering (Hong Kong) Limited | Private company limited by shares | Live |
| Blue Sky Hong Kong Printing Consumables Limited | Private company limited by shares | Live |
| DEEP BLUE PRODUCTION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Blue Reef Properties Hong Kong Limited | Private company limited by shares | Live |
| CHINA (QING DAO) BLUE SILICON VALLEY HONG KONG LIMITED | Private company limited by shares | Dissolved |
| BLUE RIVER (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG BLUE RIVER MOTORS LIMITED | Private company limited by shares | Live |
| Blue Ocean Robotics (Hong Kong) Limited | Private company limited by shares | Live |
| LYFE Capital Blue Rocket (Hong Kong) Limited | Private company limited by shares | Live |
| ROSY BLUE HONG KONG LIMITED | Private company limited by shares | Live |
| Royal Blue Tea Hong Kong Limited | Private company limited by shares | Live |
| Blue Sail (Hong Kong) Trading Limited | Private company limited by shares | Live |
| BLUE SAPPHIRE HONG KONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| SAPPHIRE BLUE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| POKKA BLUE SEAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG BLUE SEAS INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Blue Seasky Company Limited | Private company limited by shares | Live |
| BLUE SPIRIT HONG KONG LIMITED | Private company limited by shares | Dissolved |
| BLUE STAR HOLDING HONG KONG LIMITED | Private company limited by shares | Live |
| BLUE STAR (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG BLUE STAR LIMITED | Private company limited by shares | Live |
| Hong Kong Blue Star Capital Investment Co., Limited | Private company limited by shares | Live |
| HONG KONG BLUE STRATEGY LIMITED | | Live |
| HONG KONG BLUE ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Blue Magnesium Technology (Hong Kong) Co. Limited | Private company limited by shares | Live |
| Hong Kong Blue String Technology Limited | Private company limited by shares | Live |
| Hong Kong Blue Bay Trade Co., Limited | Private company limited by shares | Dissolved |
| Hong Kong Blue Whale Trade Limited | Private company limited by shares | Live |
| HONG KONG BLUE TRADING COMPANY LIMITED | Private company limited by shares | Live |
| All Blue Trading Hong Kong Limited | | Live |
| TRUE BLUE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG BLUE WHALE INVESTMENT LIMITED | Private company limited by shares | Live |
| Hong Kong Blue Whale Limited | Private company limited by shares | Live |
| Hengmei Blue Doors and Windows (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG DEEP BLUE YACHT SERVICES LIMITED | Private company limited by shares | Live |
| Hong Kong Yifeng Blue Limited | Private company limited by shares | Live |
| BLUE ZONE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Blue DNA Hongkong Limited | | Live |
| Hongkong blue Alliance Group Co., Limited | Private company limited by shares | Live |
| Hongkong Blue Sky Culture and Arts Co., Limited | Private company limited by shares | Live |
| HONGKONG BLUE BASE GROUP LIMITED | Private company limited by shares | Live |
| HONGKONG BLUE PEAFOWLS BIOTECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG BLUE AND RED BUFF LIMITED | Private company limited by shares | Live |
| Hongkong Blue Castle International Trade Limited | | Live |
| HONGKONG BLUE CHIP INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG FIRST BLUE CHIP TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONGKONG BLUE SKY LEATHER CLOTHING CO., LIMITED | Private company limited by shares | Live |
| HONGKONG BLUE BIRD INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Hongkong Blue Gold International Co., Limited | Private company limited by shares | Dissolved |
| HONGKONG BLUE SKY HOLDING GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| Blue Power HongKong Group Co., Limited | Private company limited by shares | Live |
| BLUE OCEAN (HONGKONG) HOLDINGS CO., LIMITED | Private company limited by shares | Live |
| Hongkong Blue Innovation Co., Limited | | Live |
| HONGKONG BLUE ROSE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG OCEAN BLUE CO., LIMITED | Private company limited by shares | Live |
| HONGKONG BLUE SEA SUPEREXCELLENCE INT'L CO., LIMITED | Private company limited by shares | Dissolved |
| HongKong Blue Cloud Tech Co., Limited | | Live |
| BLUE LIGHTINGS TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| Hongkong All Blue Trade Co., Limited | Private company limited by shares | Live |
| Hongkong Deep blue Trading Co., Limited | Private company limited by shares | Live |
| HongKong Blue Air Consulting Limited | | Live |
| HONGKONG BLUE SEA DEVELOPMENT LIMITED | Private company limited by shares | Live |
| HONGKONG SKY BLUE CULTURE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HongKong Blue Sky Technology Development Co., Limited | Private company limited by shares | Live |
| HONGKONG BLUE DIAMOND ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| HONGKONG BLUE DREAM GROUP CO., LIMITED | Private company limited by shares | Live |
| HongKong Blue Dream Group Limited | | Live |
| Hongkong Blue Easy Limited | Private company limited by shares | Live |
| De Blue Emperor (Hongkong) Technology Co., Limited | Private company limited by shares | Live |
| BLUE SUN ENERGY (HONGKONG) PTY LIMITED | Private company limited by shares | Live |
| HONGKONG BLUE SEA MARINE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| HongKong Blue Eyes Handicrafts Limited | Private company limited by shares | Live |
| Hongkong Blue Fishery International and Development Limited | Private company limited by shares | Live |
| HONGKONG BLUE FOCUS LIMITED | Private company limited by shares | Live |
| BLUE JAR (HONGKONG) FOOD LIMITED | Private company limited by shares | Live |
| HONGKONG BLUE OCEAN HOME GARMENT LIMITED | Private company limited by shares | Dissolved |
| Blue Giant Trading HongKong Limited | | Live |
| Blue Sea Global (HongKong) Co., Limited | Private company limited by shares | Live |
| HONGKONG BLUE GOOSE GROUP CO., LIMITED | Private company limited by shares | Live |
| Greenish Blue HongKong Limited | Private company limited by shares | Live |
| BLUE SUN GROUP (HONGKONG) PTY LIMITED | Private company limited by shares | Live |
| HONGKONG BLUE SKY GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG BLUE SHY INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| HONGKONG OCEAN BLUE GROUP CO., LIMITED | Private company limited by shares | Live |
| HONGKONG BLUE BELT COSMETICS GROUP LIMITED | Private company limited by shares | Dissolved |
| HONGKONG BLUE HORIZON GROUP INT'L LIMITED | Private company limited by shares | Dissolved |
| HONGKONG BLUE SKY INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| BLUE UNICORN GROUP (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| HONGKONG BLUE SKY COSMETIC INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG BLUE INTERNATIONAL INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HONGKONG NEW BLUE LIGHT INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HongKong Blue Ocean Industrial Co., Limited | Private company limited by shares | Live |
| HONGKONG BLUE MOON INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HONGKONG BLUE MOON JIE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |