| HKSOD LIMITED | Private company limited by shares | Live |
| HKSOFTX LIMITED | Private company limited by shares | Live |
| H.K.SOLAR TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HKSP TRADE LIMITED | Private company limited by shares | Live |
| HKSPD LIMITED | Company limited by guarantee | Live |
| HKSPEEDNET COMPANY LIMITED | Private company limited by shares | Dissolved |
| HKSPIL LIMITED | Private company limited by shares | Live |
| HKSPMC Limited | Private company limited by shares | Live |
| HKSPMC Medical Group Limited | Private company limited by shares | Live |
| HKSPMC SERVICES LIMITED | Private company limited by shares | Live |
| hksportnutrition Limited | | Live |
| HK-SPORTS LIMITED | Private company limited by shares | Dissolved |
| HKSS CONSTRUCTION MATERIALS LIMITED | Private company limited by shares | Dissolved |
| HKSS Healthcare Limited | Private company limited by shares | Live |
| HKSS INTERNATIONAL LIMITED | | Live |
| HKSSC CO., LIMITED | Private company limited by shares | Live |
| HKST LIMITED | Private company limited by shares | Live |
| HKST Capital Limited | Private company limited by shares | Dissolved |
| HK-STAR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HKSTC WARRINGTON FIRE RESEARCH LIMITED | Private company limited by shares | Dissolved |
| HKSTC MET (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HKSTEAMaker Limited | Private company limited by shares | Live |
| HKSTEMA LIMITED | Private company limited by shares | Live |
| Shenzhen HKSTOCKS Asset Management Co., Limited | Private company limited by shares | Live |
| HKSTOX Finance Limited | Private company limited by shares | Live |
| HKSTP IEC Limited | | Live |
| HKSTREET.COM LIMITED | Private company limited by shares | Dissolved |
| HK-STRONGMACHINE LIMITED | Private company limited by shares | Dissolved |
| HKSU COMPANY LIMITED | Private company limited by shares | Live |
| HKSUN BUSINESS LIMITED | Private company limited by shares | Dissolved |
| HKSunlawyers2013 Limited | Private company limited by shares | Live |
| HKSY CO., LIMITED | Private company limited by shares | Live |
| HKSY TRADE LIMITED | Private company limited by shares | Live |
| HK-SZ INTERNATIONAL GROUP (HK) CO., LIMITED | Private company limited by shares | Live |
| Merci HK-SZ Services Limited | Private company limited by shares | Live |
| BEST SOURCE (HK-SZ) INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HK-SZ YOUTH OUTWARD TRAINING CENTER LIMITED | Private company limited by shares | Dissolved |
| HkSzCo Limited | Private company limited by shares | Live |
| HKszwholesaler International Limited | Private company limited by shares | Live |