| CYBER BLUE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| DEEP BLUE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BLUE DESIGN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BLUE DIAMOND LIGHTING TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SKY BLUE DIGITAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Blue Dragon Technology Limited | Private company limited by shares | Live |
| Blue Electric Technology Limited | | Live |
| Blue PV Electronic Technology Co., Limited | Private company limited by shares | Live |
| Blue Coast Electronic Technology Co., Limited | Private company limited by shares | Live |
| BLUE SKY ELECTRONIC TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| Blue Element Technology Limited | Private company limited by shares | Live |
| EVER BLUE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BLUE OCEAN FINANCIAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GRAND BLUE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| AQUA SKY BLUE TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| BLUE HORIZON TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Blue Horizon Technology Limited | Private company limited by shares | Live |
| BLUE OCEAN IMAGING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BLUE STAR TECHNOLOGY INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Blue Sky Innovative Technology Limited | Private company limited by shares | Live |
| Blue Arc Technology Investment Company Limited | Private company limited by shares | Dissolved |
| BLUE ANGEL TECHNOLOGY INVESTMENT LIMITED | Private company limited by shares | Live |
| BLUE LAKE TECHNOLOGY LIMITED | | Live |
| BLUE LIGHTING TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Marine Blue Technology Co., Limited | | Live |
| Blue Ocean Metal Technology Limited | | Live |
| BLUE SEA METALS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BLUE BLUE SKY NETWORK TECHNOLOGY LIMITED | | Live |
| BLUE NETWORK TECHNOLOGY LIMITED | | Live |
| BLUE OCEAN NETWORK TECHNOLOGY LIMITED | | Live |
| BLUE ORBIT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BLUE PACIFIC TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| BLUE PLAN TECHNOLOGY COMPANY LIMITED | | Live |
| BLUE PLUS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BLUE POINT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Blue Purplish Technology Limited | Private company limited by shares | Live |
| BLUE SEA REALM TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| BLUE OCEAN TECHNOLOGY RESOURCES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Blue Server Technology Limited | | Live |
| BLUE ECO SMART TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| BLUE REV SOAR TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Blue Map Technology Solution Limited | Private company limited by shares | Live |
| BLUE STAR TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Star Blue Technology Company Limited | Private company limited by shares | Live |
| Blue Star Technology Company Limited | Private company limited by shares | Live |
| BLUE OCEAN TECHNOLOGY SYSTEM LIMITED | Private company limited by shares | Live |
| Blue Star Technology Trading Co., Limited | | Live |
| True Blue Technology Group Co., Limited | Private company limited by shares | Live |
| BLUE VIDEO TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Blue wind Technology Limited | | Live |
| Blue Wings Technology Co Limited | Private company limited by shares | Live |
| BLUE TEENS ADVERTISING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Blue Sky Telco Limited | Private company limited by shares | Live |
| BLUE TELECOM LIMITED | Private company limited by shares | Dissolved |
| BLUE SKY TELECOM LIMITED | Private company limited by shares | Live |
| BLUE STAR TELECOM LIMITED | Private company limited by shares | Live |
| BLUE SKY TELECOMMUNICATION LIMITED | Private company limited by shares | Live |
| Blue Terrier Ads Limited | Private company limited by shares | Live |
| BLUE BAIRD TEXTILE CO., LIMITED | Private company limited by shares | Live |
| SHAOXING BLUE MOON TEXTILE CO., LIMITED | Private company limited by shares | Dissolved |
| Blue Electric Textile Development Co., Limited | | Live |
| BLUE GLOBAL TEXTILE LIMITED | | Live |
| HANGZHOU BLUE SKY TEXTILE CO., LIMITED | Private company limited by shares | Live |
| BLUE TEXTILE HONGKONG LIMITED | Private company limited by shares | Dissolved |
| BLUE NEST TEXTILE CO., LIMITED | Private company limited by shares | Live |
| Blue Sea Textile Science & Technology Company Limited | Private company limited by shares | Live |
| BLUE SEA TEXTILES COMPANY LIMITED | Private company limited by shares | Live |
| Blue Sky Textiles Limited | Private company limited by shares | Live |
| BLUE DIAMONDS TEXTILES LIMITED | Private company limited by shares | Live |
| BLUE MOON TEXTILES LIMITED | Private company limited by shares | Live |
| SEA BLUE GLOBAL (THAILAND) COMPANY LIMITED | | Live |
| Blue Marlin Therapeutics Limited | Private company limited by shares | Live |
| Blue Sky Thinking Limited | Private company limited by shares | Live |
| THOUSAND BLUE LIMITED | Private company limited by shares | Live |
| Three Blue Ducks Limited | | Live |
| BLUE THUNDER LIMITED | Private company limited by shares | Dissolved |
| Blue Thunder Company Limited | Private company limited by shares | Live |
| BLUE TIDE LIMITED | Private company limited by shares | Live Commenced dormancy on 24-Jun-2013 |
| BLUE TIDE INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| BLUE TIGER LIMITED | Private company limited by shares | Live |
| BLUE TIGER CONSULTING LIMITED | Private company limited by shares | Live |
| BLUE TIGER HOLDINGS LIMITED | Private company limited by shares | Live |
| BLUE TIGER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Blue Tiger Solutions Limited | Private company limited by shares | Live |
| BLUE BAY TIME LIMITED | Private company limited by shares | Dissolved |
| TITAN BLUE LIMITED | Private company limited by shares | Live |
| BLUE TOMATO LIMITED | Private company limited by shares | Dissolved |
| BLUE TOMATO PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| BLUE TOMATO TECH LIMITED | Private company limited by shares | Live |
| BLUE TONE LIMITED | Private company limited by shares | Live |
| BLUE TONE INVESTMENT LIMITED | Private company limited by shares | Live |
| BLUE TONGUE LIMITED | Private company limited by shares | Dissolved |
| BLUE TOOTH LIMITED | Private company limited by shares | Dissolved |
| BLUE TOOTH LIMITED | Private company limited by shares | Dissolved |
| Blue topaz trading company Limited | Private company limited by shares | Live |
| Blue TOTEM Limited | Private company limited by shares | Live |
| Blue Touch Limited | Private company limited by shares | Live |
| BLUE TOUCH SOLUTIONS LIMITED | Private company limited by shares | Live |
| BLUE TOUR LIMITED | Private company limited by shares | Dissolved |
| BLUE OCEAN TOURISM LIMITED | Private company limited by shares | Live |