| Company Name | Type | Status |
|---|---|---|
| SEQUEL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SEQUEL ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| SEQUEL ENTERPRISES LIMITED | Live | |
| SEQUEL GOLF SPORTS LIMITED | Private company limited by shares | Dissolved |
| SEQUEL GROUP LIMITED | Private company limited by shares | Live |
| SEQUEL TECHNOLOGY LIMITED | Public company limited by shares | Live |
| Hong Kong Apoplexy Sequela Association Limited | Private company limited by shares | Live |