| Company Name | Type | Status |
|---|---|---|
| BYSE CO., LIMITED | Private company limited by shares | Live |
| HONG KONG BYSEA ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| BYSEAN LIMITED | Private company limited by shares | Live |
| BYSEL LIMITED | Private company limited by shares | Dissolved |
| BYSELLER LIMITED | Private company limited by shares | Dissolved |
| BYSENDA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Bysenl Limited | Live |