| FORTRESS LIMITED | Private company limited by shares | Live |
| WIN FORTRESS LIMITED | Private company limited by shares | Live |
| TOP FORTRESS LIMITED | Private company limited by shares | Dissolved |
| FORTRESS OIL LIMITED | Private company limited by shares | Dissolved |
| NEW FORTRESS LIMITED | Private company limited by shares | Dissolved |
| FORTRESS SKY LIMITED | Private company limited by shares | Dissolved |
| FORTRESS ONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| FORTRESS WAY LIMITED | Private company limited by shares | Dissolved |
| FORTRESS ACE LIMITED | Private company limited by shares | Dissolved |
| FORTRESS WAY LIMITED | Private company limited by shares | Live |
| FORTRESS ACE LIMITED | Private company limited by shares | Live |
| FORTRESS ON LIMITED | Private company limited by shares | Dissolved |
| FORTRESS WIN LIMITED | Private company limited by shares | Dissolved |
| FORTRESS JET LIMITED | Private company limited by shares | Live |
| JET FORTRESS LIMITED | Private company limited by shares | Dissolved |
| FORTRESS SKY LIMITED | Private company limited by shares | Dissolved |
| SKY FORTRESS LIMITED | Private company limited by shares | Live |
| AIR FORTRESS LIMITED | Private company limited by shares | Dissolved |
| Fun Fortress Limited | Private company limited by shares | Live |
| FORTRESS DAY LIMITED | Private company limited by shares | Live |
| FORTRESS JOY LIMITED | Private company limited by shares | Live |
| FORTRESS TOP LIMITED | Private company limited by shares | Live |
| FORTRESS WIN LIMITED | Private company limited by shares | Live |
| NEW FORTRESS LIMITED | Private company limited by shares | Live |
| Fortress Sea Limited | Private company limited by shares | Live |
| KIN FORTRESS LIMITED | Private company limited by shares | Live |
| TOP FORTRESS LIMITED | Private company limited by shares | Live |
| ALL FORTRESS LIMITED | Private company limited by shares | Live |
| PET FORTRESS LIMITED | | Live |
| ASIA FORTRESS LIMITED | Private company limited by shares | Live |
| BEAUTY FORTRESS LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jun-2016 |
| FORTRESS CAPITAL LIMITED | Private company limited by shares | Dissolved |
| CAPITAL FORTRESS LIMITED | Private company limited by shares | Live |
| FORTRESS CAPITAL LIMITED | Private company limited by shares | Live |
| Fortress Capital Company Limited | | Live |
| Digital Fortress Limited | Private company limited by shares | Live |
| FORTRESS DRAGON LIMITED | Private company limited by shares | Dissolved |
| EASTERN FORTRESS LIMITED | Private company limited by shares | Live |
| EASY FORTRESS LIMITED | Private company limited by shares | Dissolved |
| FORTRESS ENTERPRISE LIMITED | Private company limited by shares | Live |
| FORTRESS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Fortress Enterprises Limited | Private company limited by shares | Live |
| EXCELLENT FORTRESS LIMITED | | Live |
| FIRST FORTRESS LIMITED | Private company limited by shares | Live |
| The Forgotten Fortress Limited | | Live |
| GALAXY FORTRESS LIMITED | Private company limited by shares | Live |
| GOLD FORTRESS LIMITED | Private company limited by shares | Dissolved |
| GOLD FORTRESS LIMITED | Private company limited by shares | Dissolved |
| GOLD FORTRESS LIMITED | Private company limited by shares | Live |
| GOLD FORTRESS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GOLD FORTRESS INVESTMENT LIMITED | Private company limited by shares | Live |
| GRAND FORTRESS LIMITED | Private company limited by shares | Dissolved |
| GRAND FORTRESS LIMITED | Private company limited by shares | Dissolved |
| GRAND FORTRESS LIMITED | Private company limited by shares | Live |
| KENT FORTRESS LIMITED | Private company limited by shares | Dissolved |
| Fortress Kitchen Limited | Private company limited by shares | Live |
| LONG FORTRESS LIMITED | Private company limited by shares | Live |
| FORTRESS MARK LIMITED | Private company limited by shares | Dissolved |
| MEGA FORTRESS LIMITED | Private company limited by shares | Dissolved |
| MEGA FORTRESS LIMITED | Private company limited by shares | Live |
| MEGA FORTRESS INC LIMITED | Private company limited by shares | Dissolved |
| METRO FORTRESS LIMITED | Private company limited by shares | Dissolved |
| METRO FORTRESS LIMITED | Private company limited by shares | Live |
| FORTRESS OCEAN LIMITED | Private company limited by shares | Live |
| PACIFIC FORTRESS LIMITED | Private company limited by shares | Live |
| PACIFIC FORTRESS LIMITED | | Live |
| POLY FORTRESS LIMITED | Private company limited by shares | Dissolved |
| PRAISE FORTRESS LIMITED | Private company limited by shares | Live |
| RICH FORTRESS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| RICH FORTRESS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SELECT FORTRESS LIMITED | Private company limited by shares | Live |
| SMART FORTRESS LIMITED | Private company limited by shares | Dissolved |
| TEAM FORTRESS LIMITED | Private company limited by shares | Live |
| FORTRESS TIME LIMITED | Private company limited by shares | Dissolved |
| FORTRESS TIME LIMITED | Private company limited by shares | Live |
| Fortress Toys Limited | | Live |
| FORTRESS TRADE LIMITED | Private company limited by shares | Dissolved |
| FORTRESS TRADE LIMITED | Private company limited by shares | Dissolved |
| VICTORIA FORTRESS LIMITED | Private company limited by shares | Live |
| FORTRESSFX LIMITED | Private company limited by shares | Dissolved |
| FORTRESSSERVICE LIMITED | Private company limited by shares | Live |