| United Doxu Limited | Private company limited by shares | Live |
| DOYAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| GOLD DOYAL ENTERPRISE LIMITED | | Live |
| DOYE CO. LIMITED | Private company limited by shares | Live |
| HK DOYE INT'L GROUP CO., LIMITED | Private company limited by shares | Live |
| DOYEA TRADING LIMITED | Private company limited by shares | Live |
| Doyen Limited | Private company limited by shares | Live |
| DOYEN PLASTIC COLOURANT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MACAO DOYEN INTERNATIONAL GROUP ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| DOYGOLD LIMITED | Private company limited by shares | Live |
| Doyin Technologies (HK) Limited | Private company limited by shares | Live |
| DOYIN INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| Doyle Limited | Private company limited by shares | Live |
| ALEX DOYLE LIMITED | Private company limited by shares | Dissolved |
| DOYLE ASIA LIMITED | Private company limited by shares | Live |
| Doyle Capital Limited | Private company limited by shares | Live |
| DOYO LIMITED | | Live |
| Doyoga Limited | | Live |
| DOYOGA SPORTS HK LIMITED | Private company limited by shares | Live |
| DOYONIGHT LIMITED | | Live |
| DOYONO TRADING CO., LIMITED | | Live |
| DOYOU INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Doyoung Company Limited | | Live |
| DoYoung Fresh Cell Anti-aging Therapy (Asia Pacific) Service Center Limited | Private company limited by shares | Live |
| DOYOUTRAVEL LIMITED | Private company limited by shares | Live |
| DOYU HONGKONG LIMITED | Private company limited by shares | Live |
| HK DOYUAN INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| DOYUK TECHNOLOGY & PROMOTION CO., LIMITED | Private company limited by shares | Live |
| AIKIDO DOYUKAI (HONG KONG) LIMITED | Private company limited by shares | Live |
| DOYUSHA (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| DOZE LIMITED | Private company limited by shares | Live |
| DOZEN LIMITED | Private company limited by shares | Dissolved |
| HALF A DOZEN LIMITED | Private company limited by shares | Live |
| DOZENBIRD LIMITED | Private company limited by shares | Live |
| DOZENS WINFUL LIMITED | Private company limited by shares | Dissolved |
| Dozensmart Limited | Private company limited by shares | Live |
| DOZENTH 2 DESIGN LIMITED | Private company limited by shares | Live |
| DOZENWAY LIMITED | Private company limited by shares | Dissolved |
| DozeroTech HK Limited | | Live |
| DOZEY OATES TRADING LIMITED | Private company limited by shares | Dissolved |
| HONGKONG DENNIS AND DOZIE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| DOZIER LIMITED | Private company limited by shares | Dissolved |
| DOMO & DOZO LIMITED | Private company limited by shares | Live |
| Dozo Group Limited | Private company limited by shares | Live |
| DOZO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DOZTRADING LIMITED | Private company limited by shares | Live |
| DOZZAMUN COMPANY LIMITED | Private company limited by shares | Dissolved |
| DOZZO CO., LIMITED | Private company limited by shares | Live |