| 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 |
| TAT BEE SECURITIES LIMITED | Private company limited by shares | Dissolved |
| M. H. TAN SECURITIES LIMITED | Private company limited by shares | Dissolved |
| WCT SECURITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| C & M SECURITIES LIMITED | Private company limited by shares | Dissolved |
| MAA SECURITIES LIMITED | Private company limited by shares | Dissolved |
| YEW SAY SECURITIES LIMITED | Private company limited by shares | Dissolved |
| SHK SECURITIES LIMITED | Private company limited by shares | Live Ceased dormancy on 24-Sep-2013 |
| I & P SECURITIES LIMITED | Private company limited by shares | Dissolved |
| W. I. SECURITIES LIMITED | Private company limited by shares | Dissolved |
| VMS Securities Limited | Private company limited by shares | Live |
| MAN SUN SECURITIES LIMITED | Private company limited by shares | Live |
| D & I SECURITIES LIMITED | Private company limited by shares | Dissolved |
| YU ON SECURITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| HEC SECURITIES LIMITED | Private company limited by shares | Live |
| KAM WAH SECURITIES LIMITED | Private company limited by shares | Live |
| FAI SECURITIES LIMITED | Private company limited by shares | Dissolved |
| EA SECURITIES LIMITED | Private company limited by shares | Live |
| TTI SECURITIES LIMITED | Private company limited by shares | Dissolved |
| KYC SECURITIES LIMITED | Private company limited by shares | Live |
| V SIX SECURITIES LIMITED | Private company limited by shares | Dissolved |
| SPS SECURITIES LIMITED | Private company limited by shares | Live |
| BAO LI SECURITIES LIMITED | Private company limited by shares | Live |
| HW SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| L & D SECURITIES LIMITED | Private company limited by shares | Dissolved |
| IRM SECURITIES LIMITED | Private company limited by shares | Dissolved |
| BAN HIN SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| SIU LAM SECURITIES LIMITED | Private company limited by shares | Dissolved |
| RAD SECURITIES LIMITED | Private company limited by shares | Dissolved |
| PO LEE SECURITIES LIMITED | Private company limited by shares | Live |
| ATM SECURITIES LIMITED | Private company limited by shares | Dissolved |
| YEE FAT SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| WAN GUO SECURITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| T & L SECURITIES LIMITED | Private company limited by shares | Live |
| FDT Securities Limited | Private company limited by shares | Live |
| YUE XIU SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| CSL SECURITIES LIMITED | Private company limited by shares | Live |
| HOU TAK SECURITIES LIMITED | Private company limited by shares | Live |
| KUO PO SECURITIES LIMITED | Private company limited by shares | Dissolved |
| THL SECURITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| AAA SECURITIES LIMITED | Private company limited by shares | Dissolved |
| SIU FAI SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| TAT LEE SECURITIES COMPANY LIMITED | Private company limited by shares | Live |
| TAI PO SECURITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| WEI XIN SECURITIES LIMITED | Private company limited by shares | Dissolved |
| EAA SECURITIES LIMITED | Private company limited by shares | Live |
| J & S SECURITIES LIMITED | Private company limited by shares | Live |
| IPO SECURITIES LIMITED | Private company limited by shares | Dissolved |
| SIU ON SECURITIES LIMITED | Private company limited by shares | Live |
| LEE WAI SECURITIES LIMITED | Private company limited by shares | Dissolved |