| Bytetrade (HK) Limited | Private company limited by shares | Live |
| Bytevideo Limited | Private company limited by shares | Live |
| ByteWave Hongkong Limited | | Live |
| ByteWave Technology (HK) Limited | Private company limited by shares | Live |
| BYTEWORKS LIMITED | | Live |
| Byteworld Limited | | Live |
| BYTEX COMPANY LIMITED | Private company limited by shares | Dissolved |
| ByteX Limited | Private company limited by shares | Live |
| Social Bytez Limited | Private company limited by shares | Dissolved |
| BYTF INVESTMENT HOLDING GROUP LIMITED | Private company limited by shares | Live |
| BYTHAM CONSOLIDATION LIMITED | Private company limited by shares | Live |
| BYTHEA LIMITED | Private company limited by shares | Dissolved |
| BYTO INTERNATIONAL TRADE LIMITED | Private company limited by shares | Dissolved |
| Bytoken Technologies Limited | | Live |
| BYTTRADING LIMITED | Private company limited by shares | Live |
| Byuan International Trade Co., Limited | Private company limited by shares | Live |
| HK BYUAN TRADING LIMITED | Private company limited by shares | Live |
| BYUE TRADE LIMITED | | Live |
| BYUN INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Byunduri Limited | Private company limited by shares | Live |
| B-Yunese International Trading Co., Limited | Private company limited by shares | Live |
| BYVOLT ELECTRIC CO., LIMITED | Private company limited by shares | Dissolved |
| Bywave Card Manufacturing Company Limited | Private company limited by shares | Live |
| BYWAY LIMITED | Private company limited by shares | Dissolved |
| Byway International Education Consulting Co., Limited | Private company limited by shares | Live |
| BYWAY INTERNATIONAL LIMITED | | Live |
| BYWAY TRADING LIMITED | Private company limited by shares | Dissolved |
| BY-WAY-OF FOOD (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| BYWAYS FAR EAST LIMITED | Private company limited by shares | Live |
| Byways Fashion Corporate Limited | Private company limited by shares | Live |
| BYWAYS PRINTING COMPANY LIMITED | Private company limited by shares | Live |
| BYWB INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| BYWELL LIMITED | Private company limited by shares | Dissolved |
| Bywens Technology Limited | Private company limited by shares | Live |
| BYWH LIMITED | Private company limited by shares | Live |
| BYWHO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BYWINNER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BYWISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Bywise Limited | | Live |
| BYWORD COMPANY LIMITED | Private company limited by shares | Live |
| AI Byword Company Limited | | Live |
| BYWORD ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| BYWR LIMITED | | Live |
| BYYOO TRADING LIMITED | Private company limited by shares | Live |
| Byzantine Limited | Private company limited by shares | Live |
| Byzantine Beauty Limited | Private company limited by shares | Live |
| BYZANTINE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| BYZANTIUM LIMITED | Private company limited by shares | Dissolved |
| BYZOR PRIVATE LIMITED | Private company limited by shares | Live |
| BYZORO HOLDING LIMITED | Private company limited by shares | Live |