| BITT HING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| BITTAI TRADING LIMITED | Private company limited by shares | Live |
| AKA BITTANI CO., LIMITED | Private company limited by shares | Live |
| Bittania, Limited | Private company limited by shares | Live |
| BITTARIS HOLDING LIMITED | Private company limited by shares | Live |
| BITTAURUS LIMITED | Private company limited by shares | Live |
| Bit-tech Limited | | Live |
| Bit-Tech Digital Company Limited | Private company limited by shares | Live |
| Bittech Trade Limited | Private company limited by shares | Live |
| BITTER MOON CO LIMITED | | Live |
| BITTERN LIMITED | Private company limited by shares | Dissolved |
| Bittersweet Cakery Limited | | Live |
| BITTERSWEET CREATIONS LIMITED -THE- | Private company limited by shares | Live |
| BITTERSWEET (HONG KONG) LIMITED | Private company limited by shares | Live |
| Bittersweet Laboratory Limited | Private company limited by shares | Live |
| Bitthai Asia Pacific Limited | Private company limited by shares | Live |
| BitToken Co., Limited | | Live |
| HONG KONG BITTOP COLOR NETWORK TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| YELLOW BITTREE LIMITED | Private company limited by shares | Live |
| BittyGritty Limited | | Live |