| FIRSTAR (HONG KONG) LIMITED | Private company limited by shares | Live |
| Firstar Hong Kong Realty Limited | Private company limited by shares | Live |
| HONGKONG FIRSTAR TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| FIRSTAR (HONGKONG) TRADING CORP LIMITED | Private company limited by shares | Live |
| FIRSTAR INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| NINGBO FIRSTAR INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| FIRSTAR INDUSTRIES CO., LIMITED | Private company limited by shares | Live |
| FIRSTAR INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Firstar International Limited | Private company limited by shares | Live Commenced dormancy on 22-Oct-2015 |
| FIRSTAR HONG KONG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FIRSTAR PACIFIC LIMITED | Private company limited by shares | Dissolved |
| FIRSTAR PROPERTY LIMITED | Private company limited by shares | Dissolved |
| FIRSTAR TRADE SERVICES LIMITED | Private company limited by shares | Dissolved |
| FIRSTAR TRADING LIMITED | Private company limited by shares | Live |
| Firstassistant Healthcare Limited | Private company limited by shares | Live |
| FIRSTATTEC Asia Limited | Private company limited by shares | Live |
| Firstatue Limited | Private company limited by shares | Live |
| FIRSTBASE LIMITED | Private company limited by shares | Dissolved |
| FIRSTBI HONG KONG LIMITED | Private company limited by shares | Live |
| FIRSTBLE LIMITED | Private company limited by shares | Live Commenced dormancy on 29-Jan-1997 |
| FIRST-BLESS LIMITED | Private company limited by shares | Dissolved |
| FIRSTBOARD ASSETS MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| FIRSTBOND INVESTMENT LIMITED | Private company limited by shares | Live |
| FirstBPM LIMITED | Private company limited by shares | Live |
| FirstBridge Digital Limited | | Live |
| FIRST-BRIGHT WINTECH CO., LIMITED | Private company limited by shares | Live |
| SAN FIRSTBURG LIMITED | Private company limited by shares | Live |
| FIRSTBUSY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Firstcare Limited | Private company limited by shares | Dissolved |
| FIRSTCARE SOLUTIONS LIMITED | Private company limited by shares | Live |
| GLOBAL FIRST-CLASS CABINS ENTREPRENEUR ELITES CLUB CO., LIMITED | Private company limited by shares | Live |
| FIRSTCLASS CAPITAL LIMITED | Private company limited by shares | Live |
| CHINA FIRST-CLASS FENGSHUI CO., LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Firstclass Trading Co., Limited | | Live |
| HONGKONG (INTERNATIONAL) HEALTH FIRSTCLASS INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| First-Class Management Consultants Limited | Private company limited by shares | Dissolved |
| FIRSTCLASS ENTERPRISE LIMITED | Private company limited by shares | Live |
| FIRST-CLASS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FIRST-CLASS INTERNATIONAL LOGISTICS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| FIRSTCO LIMITED | Private company limited by shares | Live |
| FIRSTCOLOR ENTERPRISE LIMITED | Private company limited by shares | Live |
| FIRST.COM CYBER LIMITED | Private company limited by shares | Dissolved |
| FIRSTCON LIMITED | Private company limited by shares | Live |
| FirstConsTrade Limited | | Live |
| FIRSTCORP HK LIMITED | Private company limited by shares | Live |
| Firstcreat HK Limited | Private company limited by shares | Live |
| FIRSTCUT STUDIOS LIMITED | Private company limited by shares | Live |
| FIRSTDASH COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRSTDISC LIMITED | Private company limited by shares | Dissolved |
| FIRSTDONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRSTEAM LIMITED | Private company limited by shares | Dissolved |
| FIRSTEAM INVESTMENT LIMITED | Private company limited by shares | Live |
| FIRSTEC ASIAPAC LIMITED | Private company limited by shares | Live |
| FIRSTEC MARITIME LIMITED | Private company limited by shares | Live |
| FIRSTECH LIMITED | Private company limited by shares | Dissolved |
| Firstech Limited | Private company limited by shares | Live |
| FIRSTEIGHT INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| FIRSTELECOM.COM LIMITED | Private company limited by shares | Dissolved |
| FIRSTEN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| FIRSTEP LIMITED | Private company limited by shares | Dissolved |
| Firstep Innovation Limited | | Live |
| Firstepbio Co., Limited | Private company limited by shares | Live |
| FirstEShop.net Limited | Private company limited by shares | Live |
| FIRSTEURO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FIRSTEX COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRSTFLY INVESTMENTS LIMITED | Private company limited by shares | Live |
| FirstFly Network Limited | Private company limited by shares | Live |
| FIRSTFRUITS ENTERPRISE LIMITED | Private company limited by shares | Live |
| FIRSTFX US LIMITED | Private company limited by shares | Live |
| FIRSTGAIN LIMITED | Private company limited by shares | Dissolved |
| FIRSTGATE ENTERTAINMENT INC. LIMITED | Private company limited by shares | Live |
| FIRSTGO LIMITED | Private company limited by shares | Live |
| FIRSTGO ASIA LIMITED | Private company limited by shares | Dissolved |
| FIRSTGRADE LIMITED | Private company limited by shares | Dissolved |
| FIRSTGRADE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FIRSTGROUP LIMITED | Private company limited by shares | Live |
| FIRSTGROW LIMITED | Private company limited by shares | Dissolved |
| FIRSTGROWTHS LIMITED | Private company limited by shares | Live |
| FIRSTGUIDE MACHINERY LIMITED | Private company limited by shares | Live |
| FIRSTHAND LIMITED | Private company limited by shares | Dissolved |
| Firsthand Food Market Limited | Private company limited by shares | Live |
| FIRSTHAND SOURCE LIMITED | Private company limited by shares | Live |
| Firstheld Limited | Private company limited by shares | Live |
| FIRSTHILL LIMITED | Private company limited by shares | Live |
| Firstify Limited | Private company limited by shares | Live |
| FIRSTIME LIMITED | Private company limited by shares | Dissolved |
| FIRSTIN LIMITED | Private company limited by shares | Dissolved |
| Firstin Limited | | Live |
| FIRSTIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FIRSTJETCREW LIMITED | Private company limited by shares | Live |
| Firstjit Technology Limited | Private company limited by shares | Live |
| HONGKONG FIRSTJOY HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| FIRSTKING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FIRSTLADY COMPANY LIMITED | Private company limited by shares | Dissolved |
| FRANCE FIRST-LADY INT'L ORGAN (ASIA) DEV. LIMITED | Private company limited by shares | Dissolved |
| FIRSTLAND COMPANY LIMITED | Private company limited by shares | Live |
| FIRSTLAND INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| FIRSTLAND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FIRSTLEAD SHIPPING LIMITED | Private company limited by shares | Live |
| FIRSTLEAP EDUCATION (HK) LIMITED | Private company limited by shares | Live |