| FIRMPLAN LIMITED | Private company limited by shares | Dissolved |
| FIRMRATE LIMITED | Private company limited by shares | Dissolved |
| HUA DE ALLIANCE OF CPA FIRMS LIMITED | Company limited by guarantee | Live |
| XI LI FOREIGN FIRMS CO., LIMITED | Private company limited by shares | Live |
| LEZHI DESIGN FIRMS HK LIMITED | Private company limited by shares | Live |
| GLOBAL CHINESE FIRMS (CHINA) LIMITED | Private company limited by shares | Live |
| Asia United Architecture Firms Limited | Private company limited by shares | Live |
| FIRMSALES LIMITED | Private company limited by shares | Dissolved |
| FIRMSON COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRMSOURCES LIMITED | Private company limited by shares | Dissolved |
| FIRMSTAR LIMITED | Private company limited by shares | Live |
| FIRMSTAR AIR-CON LIMITED | Private company limited by shares | Live |
| FIRMSTOCK LIMITED | Private company limited by shares | Live |
| FIRMSTONE SHOES CO., LIMITED | Private company limited by shares | Live |
| FIRMSTONE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FIRMSTUDIO LIMITED | Private company limited by shares | Live |
| FIRMSUCCESS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Firmsun Limited | | Live |
| FIRMSUN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Firmtel Limited | Private company limited by shares | Live |
| FIRMTEX PROFESSIONAL DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| FIRMTOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRMVIEW LIMITED | Private company limited by shares | Dissolved |
| FIRMWARE SYSTEM CO., LIMITED | Private company limited by shares | Live |
| FIRMWARE DESIGN COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRMWAY LIMITED | Private company limited by shares | Live |
| FIRMWELL LIMITED | Private company limited by shares | Dissolved |
| FIRMWELL LIMITED | Private company limited by shares | Live |
| FIRMWICK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FIRMWILL LIMITED | Private company limited by shares | Live |
| FIRMWILL FAR EAST LIMITED | Private company limited by shares | Live |
| FIRMWILL (HK) LIMITED | Private company limited by shares | Live |
| FIRMWILL (INTERNATIONAL) LOGISTICS LIMITED | Private company limited by shares | Live |
| FIRMWILL (INTERNATIONAL) TRANSPORTATION LIMITED | Private company limited by shares | Live |
| FIRMWILL INVESTMENTS LIMITED | Private company limited by shares | Live |
| FIRMWILL TRANSPORTATION LIMITED | Private company limited by shares | Live |
| FIRMWIN LIMITED | Private company limited by shares | Dissolved |
| FIRMWIN PACIFIC LIMITED | Private company limited by shares | Dissolved |
| FIRMWIN PEAK LIMITED | Private company limited by shares | Dissolved |
| FIRMWIN POINT LIMITED | Private company limited by shares | Dissolved |
| FIRMWIN STAR LIMITED | Private company limited by shares | Dissolved |
| FIRMWIN TRADE LIMITED | Private company limited by shares | Dissolved |
| FIRMWIN UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| FIRMWIN WOOD LIMITED | Private company limited by shares | Dissolved |
| FIRMWIN WORLD LIMITED | Private company limited by shares | Live |
| FIRMWISE LIMITED | Private company limited by shares | Live |
| FIRMWORTH LIMITED | Private company limited by shares | Dissolved |
| FIRO HK LIMITED | Private company limited by shares | Live |
| Firoa Limited | Private company limited by shares | Live |
| FIRONA TRADING LIMITED | Private company limited by shares | Live |
| FIRPARK LIMITED | Private company limited by shares | Dissolved |
| FIRROS LIMITED | Private company limited by shares | Dissolved |
| FIRSO OPTIC LIMITED | Private company limited by shares | Live |
| FIRSON LIMITED | Private company limited by shares | Dissolved |
| FIRSON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Firsple Limited | Private company limited by shares | Live |
| WIN FIRST COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRST JOY LIMITED | Private company limited by shares | Dissolved |
| FIRST WAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRST TOP COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRST FAT COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRST ACE COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRST ART COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRST FIT COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRST CAN LIMITED | Private company limited by shares | Dissolved |
| FIRST SUN LIMITED | Private company limited by shares | Dissolved |
| FIRST AIM LIMITED | Private company limited by shares | Dissolved |
| BE FIRST LIMITED | Private company limited by shares | Dissolved |
| FIRST KEY LIMITED | Private company limited by shares | Dissolved |
| WIN FIRST LIMITED | Private company limited by shares | Dissolved |
| JET FIRST LIMITED | Private company limited by shares | Dissolved |
| TOP FIRST LIMITED | Private company limited by shares | Dissolved |
| FIRST WIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRST UP LIMITED | Private company limited by shares | Live |
| FIRST ONE LIMITED | Private company limited by shares | Dissolved |
| SKY FIRST LIMITED | Private company limited by shares | Dissolved |
| FIRST ERA LIMITED | Private company limited by shares | Live |
| FIRST SKY LIMITED | Private company limited by shares | Live |
| FIRST OF ALL LIMITED | Private company limited by shares | Dissolved |
| FIRST RAY LIMITED | Private company limited by shares | Dissolved |
| FIRST TOP LIMITED | Private company limited by shares | Dissolved |
| FIRST ACT LIMITED | Private company limited by shares | Dissolved |
| FIRST SEA LIMITED | Private company limited by shares | Dissolved |
| FIRST CUP LIMITED | Private company limited by shares | Dissolved |
| FIRST JET LIMITED | Private company limited by shares | Dissolved |
| FIRST WAY LIMITED | Private company limited by shares | Dissolved |
| FIRST WIN LIMITED | Private company limited by shares | Dissolved |
| FIRST RUN LIMITED | Private company limited by shares | Dissolved |
| FIRST OUT LIMITED | Private company limited by shares | Dissolved |
| FIRST SEA LIMITED | Private company limited by shares | Dissolved |
| FIRST TOP LIMITED | Private company limited by shares | Live |
| FIRST DAY LIMITED | Private company limited by shares | Live |
| FIRST ON LIMITED | Private company limited by shares | Dissolved |
| FIRST IN LIMITED | Private company limited by shares | Dissolved |
| FIRST WIN LIMITED | Private company limited by shares | Live |
| FIRST LIMITED | Private company limited by shares | Dissolved |
| FIRST ACE LIMITED | Private company limited by shares | Dissolved |
| AID FIRST CO. LIMITED | Private company limited by shares | Live |
| TOP FIRST LIMITED | Private company limited by shares | Live |
| CQ FIRST LIMITED | Private company limited by shares | Dissolved |