| HKD2D.COM COMPANY LIMITED | Private company limited by shares | Live |
| HKD8 COMPANY LIMITED | Private company limited by shares | Live |
| HKDAEx Limited | Private company limited by shares | Live |
| TS HKDATA COMPANY LIMITED | Private company limited by shares | Live |
| HKDay Charity Limited | Company limited by guarantee | Live |
| HKDAY.NET LIMITED | Private company limited by shares | Dissolved |
| HKDC Group Company Limited | Private company limited by shares | Live |
| HKD.com Limited | Private company limited by shares | Live |
| HKD.com ATM Limited | Private company limited by shares | Live |
| HKD.com Capital Limited | Private company limited by shares | Live |
| HKDEA CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| HKDEDI Limited | Private company limited by shares | Live |
| HKDENNIS.COM LIMITED | | Live |
| HKDEREK.COM LIMITED | | Live |
| HKDISC.COM LIMITED | Private company limited by shares | Dissolved |
| HK-Discount Company Limited | Private company limited by shares | Dissolved |
| HK-DIVA LIMITED | Private company limited by shares | Live |
| HKDJ Limited | Private company limited by shares | Live |
| HKDK LIMITED | Private company limited by shares | Dissolved |
| HKDL LIMITED | | Live |
| HKDLC Limited | Private company limited by shares | Live |
| HKDMC TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HKDN Limited | Private company limited by shares | Dissolved |
| HKDN LIMITED | Private company limited by shares | Live |
| hkdom.com digital Limited | Private company limited by shares | Live |
| HKDOT SOLUTIONS LIMITED | | Live |
| HKDOTBUY LIMITED | Private company limited by shares | Live |
| HKDOTCOM LIMITED | Private company limited by shares | Live |
| HKDoujin Company Limited | | Live |
| HKDPA LIMITED | Private company limited by shares | Live |
| HKDR LIMITED | Private company limited by shares | Live |
| HKDS HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| HKDS International Limited | | Live |
| HKDS Service Limited | Private company limited by shares | Live |
| Shouten (HKDS) Limited | Private company limited by shares | Live |
| Association for the Advancement of HKDSE Limited -The- | Private company limited by shares | Live |
| HKDSE Asia-Pacific Higher Education Research Institution Limited | | Live |
| HK-Dtech Limited | Private company limited by shares | Live |
| HKDU LIMITED | | Live |
| HKDY LIMITED | Private company limited by shares | Live |
| HKDY Creations Limited | Private company limited by shares | Live |