| Blue Power Technology (HK) Limited | Private company limited by shares | Live |
| Blue Ocean Time (HK) Co., Limited | Private company limited by shares | Live |
| BLUE SKY TRADING (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SKY BLUE TRADING (HK) COMPANY LIMITED | Private company limited by shares | Live |
| BLUE BEST TRADING (HK) COMPANY LIMITED | Private company limited by shares | Live |
| BLUE SEA (HK) TRADING CO., LIMITED | Private company limited by shares | Live |
| BLUE OCEAN TRADING (HK) CO., LIMITED | Private company limited by shares | Live |
| BLUE SKY (HK) INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| BLUE RIBBON TRADING (HK) COMPANY LIMITED | Private company limited by shares | Live |
| BLUE WAVE TRADING H.K. LIMITED | Private company limited by shares | Live |
| BLUE TRONIC TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| Uncle Blue (HK) Trade CO., Limited | | Live |
| VOYAGE.SKY BLUE (HK) LIMITED | Private company limited by shares | Live |
| BLUE WHALE (HK) LIMITED | Private company limited by shares | Live |
| BLUE WHALE SUPPLY CHAIN (HK) LIMITED | Private company limited by shares | Live |
| Blue Whale Education (HK) Limited | Private company limited by shares | Live |
| Blue Whale (HK) Holdings Limited | Private company limited by shares | Live |
| Blue Whale Management (HK) Limited | Private company limited by shares | Live |
| Blue Whale (HK) Technology Limited | Private company limited by shares | Live |
| BLUE WHALE XUELONG (HK) LIMITED | Private company limited by shares | Live |
| HOKIE & BLUE HEN GENERAL EQUIPMENT LIMITED | Private company limited by shares | Live |
| HOKIE & BLUE HEN INTERNATIONAL GENERAL EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| Blue Sky Holding Limited | Private company limited by shares | Dissolved |
| BLUE HOLDING LIMITED | Private company limited by shares | Live |
| JM Blue Holding Limited | Private company limited by shares | Live |
| Blue Sea (Holding) Co. Limited | Private company limited by shares | Live |
| BLUE MARLIN HOLDING LIMITED | Private company limited by shares | Live |
| BLUE BOX HOLDINGS LIMITED | Private company limited by shares | Live |
| BLUE MAX (HOLDINGS) LIMITED | Private company limited by shares | Live |
| BLUE SKY HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SKY BLUE HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Blue Air Holdings Limited | Private company limited by shares | Live |
| BLUE HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| BLUE SKY HOLDINGS LIMITED | Private company limited by shares | Live |
| Blue Oak Holdings Limited | Private company limited by shares | Live |
| SKY BLUE HOLDINGS LIMITED | Private company limited by shares | Live |
| Blue Sea Holdings Limited | Private company limited by shares | Live |
| Blue PMC Holdings Limited | Private company limited by shares | Live |
| Blue SK Holdings Limited | Private company limited by shares | Live |
| Ambrum Blue Capital Holdings Limited | Private company limited by shares | Live |
| BLUE ANGEL HOLDINGS LIMITED | Private company limited by shares | Live |
| BLUE BIRD HOLDINGS LIMITED | Private company limited by shares | Live |
| Blue Cloud Holdings Limited | Private company limited by shares | Live |
| DEEP BLUE HOLDINGS LIMITED | Private company limited by shares | Live |
| BLUE DIAMOND HOLDINGS LIMITED | Private company limited by shares | Live |
| BLUE DIAMOND FINANCIAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| BLUE DRAGON HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| BLUE DRAGON HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Blue Dragon Holdings Limited | Private company limited by shares | Live |
| BLUE DREAM SKY HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Blue Dream Holdings Limited | Private company limited by shares | Live |
| EIGHT BLUE (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| BLUE ENERGY HOLDINGS LIMITED | Private company limited by shares | Live |
| Blue Ocean Enterprise Holdings Limited | Private company limited by shares | Live |
| AMERICA BLUE AREA ENTERPRISES HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| BLUE SEA FINANCIAL HOLDINGS (CHINA) CO., LIMITED | Private company limited by shares | Live |
| Blue Sky Global Holdings Limited | Private company limited by shares | Live |
| Blue Global Holdings Company Limited | | Live |
| Blue Dragon Holdings Global Limited | Private company limited by shares | Live |
| Blue Glory Holdings Limited | Private company limited by shares | Live |
| Blue Graphene Holdings Limited | Private company limited by shares | Live |
| GREEN AND BLUE HOLDINGS LIMITED | Private company limited by shares | Live |
| BLUE SKY GROUP HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Blue Sky Group Holdings Limited | Private company limited by shares | Live |
| JET BLUE EURO GROUP HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Gold Blue Group Holdings Limited | Private company limited by shares | Live |
| Blue Ocean Group Holdings Limited | Private company limited by shares | Live |
| BLUE HARBOUR HOLDINGS LIMITED | Private company limited by shares | Live |
| Blue Ocean Holdings (HK) Company Limited | Private company limited by shares | Live |
| BLUE BLOCK HOLDINGS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG BLUE SKY (HOLDINGS) LIMITED | Private company limited by shares | Live |
| HONG KONG SUN BLUE TECHNOLOGY HOLDINGS LIMITED | Private company limited by shares | Live |
| BLUE SKY TECHNOLOGY (HONG KONG) HOLDINGS LIMITED | Private company limited by shares | Live |
| Blue Horizon Holdings Limited | Private company limited by shares | Live |
| BLUE HORSE BEER HOLDINGS (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| Blue Snow Innovative Industrial Holdings Limited | | Live |
| BLUE OCEAN TRADING AND INDUSTRIAL HOLDINGS LIMITED | Private company limited by shares | Live |
| BLUE INVESTMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| SKY BLUE INVESTMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| BLUE OCEAN INVESTMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| NEW BLUE OCEAN INVESTMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| Blue Angel Investments Holdings Limited | Private company limited by shares | Live |
| Blue Panther Holdings and Investments Limited | Private company limited by shares | Live |
| BLUE IRON HOLDINGS LIMITED | Private company limited by shares | Live |
| BLUE ISLE HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| BLUE LAKE HOLDINGS LIMITED | Private company limited by shares | Live |
| Blue Lemon Holdings Limited | Private company limited by shares | Live |
| MAHA BLUE HOLDINGS COMPANY LIMITED | Private company limited by shares | Live |
| BLUE MANGO TV (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| Blue Master Holdings Limited | Private company limited by shares | Live |
| Blue Moon Holdings Limited | Private company limited by shares | Live |
| BLUE OCEAN HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| BLUE OCEAN HOLDINGS LIMITED | Private company limited by shares | Live |
| OCEAN BLUE HOLDINGS LIMITED | Private company limited by shares | Live |
| Blue Ocean Holdings Limited | | Live |
| Open Blue Ocean Cruise Line Holdings Limited | | Live |
| Rosy Blue Overseas Holdings Limited | Private company limited by shares | Live |
| BLUE PETER HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| S7 BLUE SKY HOLDINGS PTE. LIMITED | Private company limited by shares | Live |
| PURE BLUE HOLDINGS LIMITED | Private company limited by shares | Live |