| ALL-IN-ONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ALL-IN-ONE LIMITED | Private company limited by shares | Dissolved |
| ALL-IN-ONE LIMITED | Private company limited by shares | Live |
| ALLINONE ACCESSORIES LIMITED | Private company limited by shares | Live |
| ALL-IN-ONE A. & T. CONSULT. LIMITED | Private company limited by shares | Live |
| ALL-IN-ONE HOLDING LIMITED | Private company limited by shares | Dissolved |
| Allinone Holding Limited | | Live |
| All-in-one Nursing Service Limited | Company limited by guarantee | Live |
| ALL-IN-ONE.GROUP LIMITED | Private company limited by shares | Live |