| BLUE SKY (H.K.) HOLDINGS LIMITED | Private company limited by shares | Live |
| BLUE HORIZON (H.K.) LIMITED | Private company limited by shares | Dissolved |
| BLUE SKY INDUSTRIAL (H.K.) CO., LIMITED | Private company limited by shares | Live |
| BLUE HAI INDUSTRIAL (HK) CO., LIMITED | Private company limited by shares | Live |
| BLUE OCEAN (HK) INDUSTRIAL LIMITED | Private company limited by shares | Live |
| BLUE SEA INDUSTRY (HK) CO., LIMITED | Private company limited by shares | Live |
| Blue Ocean Industry (HK) Co., Limited | Private company limited by shares | Live |
| BLUE SKY (HK) INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| Blue Label Industry (HK) Limited | Private company limited by shares | Live |
| H.K. BLUE ROCKET INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| BLUE OCEAN (HK) INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| Blue Intersect (HK) Limited | Private company limited by shares | Live |
| ICY BLUE INVESTMENT H.K. LIMITED | Private company limited by shares | Dissolved |
| BLUE ANGEL INVESTMENT (HK) CORPORATION LIMITED | Private company limited by shares | Live |
| Blue Lagoon Investment (HK) Limited | Private company limited by shares | Live Commenced dormancy on 10-Feb-2015 |
| BLUE LAGOON INVESTMENTS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Blue Lake Capital Fund IV Investment (HK) Limited | | Live |
| Blue Lake Investment (HK) Limited | Private company limited by shares | Live |
| Blue Lake Capital III Investment (HK) Limited | Private company limited by shares | Live |
| BLUE SEA LIGHTING (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE OCEAN LOGIC AND TRADING (HK) LIMITED | | Live |
| Blue Sky Group (HK) Logistics Co. Limited | Private company limited by shares | Live |
| Blue Way (HK) Enterprise Management Co., Limited | Private company limited by shares | Live |
| Blue Hall Management (HK) Limited | | Live |
| BLUE MANGO (HK) LIMITED | Private company limited by shares | Dissolved |
| Blue Marine Solutions (HK) Limited | | Live |
| BLUE OCEAN (H.K) MARINETEC CO., LIMITED | Private company limited by shares | Live |
| BLUE MARTINI SOFTWARE (HK) LIMITED | Private company limited by shares | Dissolved |
| Microfountain Blue Ocean (HK) Limited | Private company limited by shares | Live |
| BLUE MODE (HK) LIMITED | Private company limited by shares | Live |
| Blue Moon (H.K.) Limited | Private company limited by shares | Live |
| BLUE MOOSE EXPLORATION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Blue Mount Trading (HK) Limited | Private company limited by shares | Dissolved |
| BLUE POINT CAR MULTIMEDIA (HK) LIMITED | Private company limited by shares | Live |
| NATURAL BLUE (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| BLUE OASIS (HK) LIMITED | Private company limited by shares | Dissolved |
| BLUE OCEAN (H.K.) LIMITED | Private company limited by shares | Dissolved |
| BLUE OCEAN (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| OCEAN BLUE (HK) LIMITED | Private company limited by shares | Live |
| Blue Ocean (HK) Limited | Private company limited by shares | Live |
| BLUE OCEANS H.K. LIMITED | Private company limited by shares | Live |
| PACIFIC BLUE (HK) LIMITED | Private company limited by shares | Live |
| BLUE PACIFIC (HK) LIMITED | Private company limited by shares | Live |
| BLUE SKY PHOTOELECTRIC (HK) CO., LIMITED | Private company limited by shares | Live |
| Blue Pixel (HK) Limited | Private company limited by shares | Live |
| BLUE PLUS (HK) CO LIMITED | Private company limited by shares | Live |
| Deep Blue Computing Power (HK) Limited | | Live |
| BLUE QUEEN TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| BLUE RAIN (HK) INT'L LIMITED | Private company limited by shares | Live |
| Blue Sky Rescue (HK) Limited | | Live |
| BLUE PANTHER RESOURCES (HK) LIMITED | Private company limited by shares | Live |
| BLUE RIBBON (HK) COMPANY LIMITED | Private company limited by shares | Live |
| ROSY BLUE DIAMONDS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Rosy Blue Jewellery (HK) Limited | Private company limited by shares | Live |
| U.S.A. BLUE SASH H.K. LIMITED | Private company limited by shares | Dissolved |
| H.K. BLUE SEA SWORD SHARK DRESS LIMITED | Private company limited by shares | Dissolved |
| Blue Ocean Shipping (H.K.) Company Limited | Private company limited by shares | Live |
| Ocean Blue Software (HK) Limited | Private company limited by shares | Dissolved |
| Solar Blue (HK) Limited | | Live |
| BLUE STAR (HK) TRADE CO., LIMITED | Private company limited by shares | Live |
| Blue Star Diamonds (HK) Limited | Private company limited by shares | Live |
| BLUE STAR GENERAL (HK) LIMITED | Private company limited by shares | Live |
| BLUE STAR INVESTMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| Blue stone Industrial (HK) Co., Limited | Private company limited by shares | Live |
| BLUE STONE NETWORK (HK) LIMITED | Private company limited by shares | Dissolved |
| BLUE STONE (HK) TRADING LIMITED | Private company limited by shares | Live |
| BLUE OCEAN SMART SYSTEM (HK) LIMITED | Private company limited by shares | Live |
| BLUE TECH (HK) LIMITED | Private company limited by shares | Dissolved |
| BLUE TECH (HK) LIMITED | Private company limited by shares | Live |
| BLUE SKY TECHNOLOGIES (H.K.) LIMITED | Private company limited by shares | Dissolved |
| BLUE BON TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| BLUE SEA TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE SKY NEW TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| BLUE SKY PHOTOELECTRIC (HK) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| 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 |