| BLUFFPINE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BLUFFTON LIMITED | Private company limited by shares | Dissolved |
| Blufits Sports Limited | Private company limited by shares | Live |
| BLUFO LIMITED | Private company limited by shares | Live |
| BLUGATE LIMITED | Private company limited by shares | Live |
| BLUGENE LAB LIMITED | Private company limited by shares | Dissolved |
| Blugo Incorporation Limited | Private company limited by shares | Live |
| BluGreen Company Limited | Private company limited by shares | Live |
| BLUGUM LIMITED | Private company limited by shares | Dissolved |
| BluHop Limited | Private company limited by shares | Dissolved |
| Bluish Company Limited | | Live |
| BLUKEM INC., LIMITED | Private company limited by shares | Live |
| BLUKY PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| BLULINE LIMITED | Private company limited by shares | Dissolved |
| Bluline Limited | Private company limited by shares | Live |
| BLULUX INTERNATIONAL LIMITED | Private company limited by shares | Live |
| A. A. BLUM LIMITED | Private company limited by shares | Dissolved |
| ANNA BLUM LIMITED | Private company limited by shares | Live |
| Blum Ocean Co., Limited | Private company limited by shares | Live |
| A. A. BLUM GARMENT LIMITED | Private company limited by shares | Live |
| HK LEE BLUM INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| GERMANY BLUM HARDWARE GROUP LIMITED | Private company limited by shares | Live |
| BLUM FURNITURE HARDWARE HONGKONG LIMITED | Private company limited by shares | Live |
| Blum & Co (HK) Limited | Private company limited by shares | Live |
| Blum Strategic III BT Hong Kong Limited | Private company limited by shares | Dissolved |
| HK Hang Blum (International) Trading Limited | Private company limited by shares | Live |
| BLUM PRODUCTION METROLOGY SYSTEM LIMITED | Private company limited by shares | Live |
| BLUM S.A. LIMITED | Private company limited by shares | Live |
| BLUM MOLD TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Blumaka Asia Limited | Private company limited by shares | Live |
| BluMandarin Capital Limited | Private company limited by shares | Live |
| Blumarine Global Limited | Private company limited by shares | Live |
| Italy Blumbo precision care manufacturing LIMITED | | Live |
| HK BLUMEA BALSAMIFERA BIOLOGICAL MEDICINE INT'L SHARES LIMITED | Private company limited by shares | Dissolved |
| Blumei Limited | Private company limited by shares | Live |
| Blumenfeld Limited | | Live |
| BLUMENTHAL AND CO., LIMITED | | Live |
| Blumenthal Richter & Sumet Limited | Private company limited by shares | Live |
| 'BLUM'S HONG KONG LIMITED | Private company limited by shares | Dissolved |
| G. BLUNDELL & COMPANY, LIMITED | Private company limited by shares | Dissolved |
| BLUNDELLS COMPANY LIMITED | Private company limited by shares | Dissolved |
| BLUNDONVILLE LIMITED | Private company limited by shares | Live |
| BLUNET CO., LIMITED | | Live |
| NINGBO BLUNET INTERTRADE CO., LIMITED | Private company limited by shares | Live |
| HONGKONG BLUNIZ CREATIVE LABS LIMITED | Private company limited by shares | Live |
| BLUNSDON COMPANY LIMITED | Private company limited by shares | Dissolved |
| BLUNT LIMITED | Private company limited by shares | Live |
| HANGZHOU BLUNT-QI MACHINERY LIMITED | Private company limited by shares | Dissolved |
| HANGZHOU BLUNT-QI HARDWARE MACHINERY LIMITED | Private company limited by shares | Live |
| ITALY BLUONYA GROUP LIMITED | Private company limited by shares | Live |
| BLUORBIT LIMITED | Private company limited by shares | Live |
| BLUPEAKS LIMITED | Private company limited by shares | Live |
| Blupleberry Inc. Limited | Private company limited by shares | Live |
| BLUPOINT LIMITED | Private company limited by shares | Live |
| Blupond Limited | Private company limited by shares | Live |
| BLUPONT LIMITED | Private company limited by shares | Dissolved |
| BLUPOOL COMPANY LIMITED | Private company limited by shares | Live |
| BLUPRIN Limited | | Live |
| Bluprint Limited | Private company limited by shares | Live |
| BLUPURPLE TECHNOLOGIES LIMITED | | Live |
| BLURAMS TEC LIMITED | Private company limited by shares | Live |
| Bluray Limited | Private company limited by shares | Live |
| BLUREDFLAG COMPANY LIMITED | Private company limited by shares | Dissolved |
| BluRoo Limited | Private company limited by shares | Live |
| TITLE BLURRED LIMITED | | Live |
| Blusea Limited | | Live |
| BLUSEADE INTERNATIONAL HOLDING GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| BLUSEED LIMITED | Private company limited by shares | Dissolved |
| BLUSENS CHINA LIMITED | Private company limited by shares | Dissolved |
| BLUSENS SOURCING LIMITED | Private company limited by shares | Dissolved |
| BLUSH LIMITED | Private company limited by shares | Live |
| Blush Beauty Limited | Private company limited by shares | Live |
| BLUSH ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| Bush & Blushes Company Limited | Private company limited by shares | Live |
| BLUSHLADY LIMITED | Private company limited by shares | Live |
| Blushlady HK Limited | Private company limited by shares | Live |
| Blushway Limited | Private company limited by shares | Live |
| BLUSIC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BLUSKY TRADING CO., LIMITED | Private company limited by shares | Live |
| BluSky Consulting Limited | Private company limited by shares | Live |
| BLUSKY INDUSTRIAL (HK) LIMITED | Private company limited by shares | Live |
| BLUSTAR LIMITED | Private company limited by shares | Live |
| BLUSTAR BIOTECH CO., LIMITED | Private company limited by shares | Live |
| BluStar Games Limited | Private company limited by shares | Live |
| BLUSTON INDUSTRY LIMITED | Private company limited by shares | Live |
| Blutankers Limited | Private company limited by shares | Live |
| BluTech IoT Limited | Private company limited by shares | Live |
| BLUTECH ENGINEERING LIMITED | Private company limited by shares | Live |
| Blutek Limited | Private company limited by shares | Live |
| BLU-TOPAZ LIMITED | Private company limited by shares | Live |
| BLUTRON (HK) LIMITED | Private company limited by shares | Dissolved |
| BLUUCORNER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BLUVAPER TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| BLUW (HONG KONG) LIMITED | Private company limited by shares | Live |
| BLUWAY HK Limited | Private company limited by shares | Live |
| BluWebMedia Limited | Private company limited by shares | Live |
| Bluwhale Limited | | Live |