| Dayone Capital Fortune Advisor One HK Limited | Private company limited by shares | Live |
| Dayone Capital Fortune China One HK Limited | Private company limited by shares | Live |
| Dayone Fulfillment Co., Limited | | Live |
| DayOne Consultancy Company Limited | Private company limited by shares | Live |
| Dayone Capital Consumer I Limited | Private company limited by shares | Live |
| Dayone Capital Consumer II Limited | Private company limited by shares | Live |
| Dayone Capital One First HK Limited | Private company limited by shares | Live |
| Dayone Group Limited | | Live |
| Dayone Capital Investment Limited | Private company limited by shares | Live |
| Dayone Capital Fortune Investor One HK Limited | Private company limited by shares | Live |
| DayOne Leadership Limited | | Live |
| Dayone Capital Fortune Master One HK Limited | Private company limited by shares | Live |
| Dayone Capital Fortune Partners One HK Limited | Private company limited by shares | Live |
| DAYONE TRADE LIMITED | | Live |