| B-TOP LIMITED | Private company limited by shares | Live |
| Btows Co., Limited | Private company limited by shares | Live |
| btraq company Limited | | Live |
| Btrav Limited | Private company limited by shares | Live |
| BTREE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| BTriangle Holding Company Limited | Private company limited by shares | Live |
| BTRIP HK LIMITED | Private company limited by shares | Live |
| B-TRIP GLOBAL LIMITED | Private company limited by shares | Live |
| Btrue group Limited | Private company limited by shares | Live |
| BTRW Limited | Private company limited by shares | Live |
| BTSB CONSULTANCY LIMITED | Private company limited by shares | Live |
| B.T.S.C. LIMITED | Private company limited by shares | Dissolved |
| B.T.SEE COMPANY LIMITED | | Live |
| BTSK International Limited | Private company limited by shares | Live |
| BTSMC Hong Kong Limited | Private company limited by shares | Live |
| BTSPC LIMITED | Private company limited by shares | Live |
| BTSR TRADING LIMITED | | Live |
| BTSSS X ARMY OFFICIAL LIMITED | | Live |
| BTTB LIMITED | Private company limited by shares | Live |
| BTTF2468 LIMITED | Private company limited by shares | Live |
| BTTM Limited | Private company limited by shares | Live |
| BTTW Limited | Private company limited by shares | Live |
| Bttx Global Limited | Private company limited by shares | Live |
| B.T.U. INTERNATIONAL LIMITED | Private company limited by shares | Live |
| BTURN PRODUCTION LIMITED | Private company limited by shares | Live |
| NANJING BTVOP (HONGKONG) ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| BTWO Hong Kong Biotechnology Limited | | Live |
| BTWO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| B&TWO INTERIOR DESIGN & DECORATION LIMITED | Private company limited by shares | Dissolved |