| Hollo Limited | Private company limited by shares | Live |
| HOLLOKK COMPANY LIMITED | Private company limited by shares | Live |
| HOLLON LIMITED | Private company limited by shares | Dissolved |
| HOLLONG HK LIMITED | Private company limited by shares | Live |
| HOLLOW LIMITED | Private company limited by shares | Live |
| Dulcet Hollow Limited | Private company limited by shares | Live |
| CHUANG'S CUTLERY & HOLLOWARE LIMITED | Private company limited by shares | Live |
| HOLLOWAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOLLOWAY LIMITED | Private company limited by shares | Dissolved |
| HOLLOX HEALTH CONSULTING CO., LIMITED | Private company limited by shares | Live |