| Company Name | Type | Status |
|---|---|---|
| BILLY'S GYM COMPANY LIMITED | Private company limited by shares | Dissolved |
| Billy's Gym Limited | Live | |
| Fanny & Billy's Express Service Co., Limited | Private company limited by shares | Live |
| Billy's Hong Kong Adventures Limited | Private company limited by shares | Live |
| Billy's Training Centre Limited | Private company limited by shares | Live |
| BILLYSMART LIMITED | Private company limited by shares | Dissolved |