| Innovation Secure Limited | Private company limited by shares | Live |
| SECURE WIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SECURE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KEEP SECURE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SECURE MINDS ASIA LIMITED | Private company limited by shares | Live |
| SECURE PAYMENT LIMITED | Private company limited by shares | Live |
| SECURE SOLUTIONS LIMITED | Private company limited by shares | Live |
| SECURE IT SOLUTIONS LIMITED | Private company limited by shares | Live |
| SECURE SUCCESS LIMITED | Private company limited by shares | Dissolved |
| I SECURE SYSTEM LIMITED | Private company limited by shares | Dissolved |
| SECURE VENTURE LIMITED | | Live |
| SECURE VENTURE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SECURE-A-PHONE (HK) LIMITED | Private company limited by shares | Dissolved |
| Secure-a-Phone International Limited | Private company limited by shares | Dissolved |
| SECUREBIZ (HOLDING) CO., LIMITED | Private company limited by shares | Dissolved |
| SecureBytes Network Limited | Private company limited by shares | Live |
| Secure.CC Limited | Private company limited by shares | Live |
| SECURE-COM LIMITED | Private company limited by shares | Dissolved |
| Securecomm Limited | Private company limited by shares | Live |
| South China Secured Lending Limited | Private company limited by shares | Live |
| Secured Hub Consultancy Limited | Private company limited by shares | Live |
| Secured Capital Group Company Limited | Private company limited by shares | Dissolved |
| Industrial IoT Secured Blockchain Limited | Private company limited by shares | Live |
| Eastdil Secured Hong Kong Limited | Private company limited by shares | Live |
| Smart Secured Automated Payment Solutions Limited | Private company limited by shares | Live |
| SECURED TRADING LIMITED | Private company limited by shares | Dissolved |
| WELL SECURED LIMITED | Private company limited by shares | Live |
| SECUREDATA TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SECUREENGINE TECHNOLOGIES CO. LIMITED | Private company limited by shares | Dissolved |
| SECUREFORCE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SECUREFUND LIMITED | Private company limited by shares | Dissolved |
| SECUREINVEST CO., LIMITED | Private company limited by shares | Live |
| SecureLC Limited | Private company limited by shares | Live |
| SECUREMART LIMITED | Private company limited by shares | Live |
| SECUREMED LIMITED | Private company limited by shares | Live |
| SECUREMEN ASIA LIMITED | Private company limited by shares | Live |
| SecureNet-Technology Limited | Private company limited by shares | Live |
| SecureNetworX Limited | Private company limited by shares | Live |
| SecureOne System Company Limited | Private company limited by shares | Live |
| SecurePlugs Limited | Private company limited by shares | Live |
| SecurePlus Limited | Private company limited by shares | Live |
| SECURESAFET TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SecureSage Consultancy Limited | | Live |
| SECURESIGN TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Securesoft (Hong Kong) Company Limited | Private company limited by shares | Live |
| L & A SECURE-SYSTEM LIMITED | Private company limited by shares | Dissolved |
| SECUR-ET LIMITED | Private company limited by shares | Live |
| SECURETEC (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SECURE-TECH LIMITED | Private company limited by shares | Dissolved |
| Securetech Company Limited | | Live |
| Secureus Limited | Private company limited by shares | Live |
| Secure-UX Limited | Private company limited by shares | Live |
| SECUREWATCH LIMITED | Private company limited by shares | Live |
| SECUREWAY LIMITED | Private company limited by shares | Dissolved |
| SecureWay Limited | Private company limited by shares | Live |
| SECUREWAY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SecureWay Tech Limited | | Live |
| SECUREWISE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SecureWorx Asia Limited | Private company limited by shares | Dissolved |
| SecurExpert Solutions Limited | Private company limited by shares | Live |
| ATM Securi Co., Limited | Private company limited by shares | Live |
| SECURIC (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SECURICOR AIR COURIER LIMITED | Private company limited by shares | Dissolved |
| SECURICOR MACAU INVESTMENT LIMITED | Private company limited by shares | Live |
| SecuriCore Limited | Private company limited by shares | Live |
| SECURICORP ASIA LIMITED | Private company limited by shares | Dissolved |
| SECURID LIMITED | Private company limited by shares | Dissolved |
| Securifield Limited | Private company limited by shares | Live |
| SECURIMAX HOLDING LIMITED | Private company limited by shares | Live |
| Securina Detection System Co., Limited | Private company limited by shares | Live |
| Securior Limited | Private company limited by shares | Live |
| Newell Securisure Limited | Private company limited by shares | Live |
| SECURISYS ASIA LIMITED | Private company limited by shares | Dissolved |
| SecuriT Company Limited | Private company limited by shares | Dissolved |
| Hermes Securitas Limited | Private company limited by shares | Live |
| SECURITAS IMMIGRATION CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| SECURITEAM Limited | | Live |
| SECURITEC LIMITED | Private company limited by shares | Dissolved |
| REX SECURITECH LIMITED | Private company limited by shares | Dissolved |
| SECURITECH LIMITED | Private company limited by shares | Dissolved |
| SECURITECH (ASIA) LIMITED | Private company limited by shares | Live |
| SECURITECH (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SECURITECH DISTRIBUTION LIMITED | Private company limited by shares | Live |
| SECURITECH SOLUTIONS (HONG KONG) LIMITED | Private company limited by shares | Live |
| REX SECURITECH SYSTEM LIMITED | Private company limited by shares | Dissolved |
| SECURITECH SYSTEMS LIMITED | Private company limited by shares | Live |
| PBS-HIN SECURITES LIMITED | Private company limited by shares | Dissolved |
| SECURITEX COMPANY LIMITED | Private company limited by shares | Live |
| SECURITIES, LIMITED | Private company limited by shares | Dissolved |
| FT Securities Limited | Private company limited by shares | Live |
| KOO SECURITIES LIMITED | Private company limited by shares | Dissolved |
| KIT WAI SECURITIES LIMITED | Private company limited by shares | Dissolved |
| S M H SECURITIES LIMITED | Private company limited by shares | Dissolved |
| HIN SECURITIES COMPANY | Private unlimited company | Dissolved |
| J. P. T. SECURITIES LIMITED | Private company limited by shares | Dissolved |
| KAI TAI SECURITIES LIMITED | Private company limited by shares | Live |
| DOV SECURITIES LIMITED | Private company limited by shares | Dissolved |
| P D C SECURITIES LIMITED | Private company limited by shares | Dissolved |
| MAK WAH SECURITIES LIMITED | Private company limited by shares | Dissolved |
| OLD PAL SECURITIES LIMITED | Private company limited by shares | Dissolved |