| HK ZHONGSHU DESIGNER FIRM LIMITED | Private company limited by shares | Live |
| FIRM ZONE LIMITED | Private company limited by shares | Dissolved |
| KWD FIRMA LIMITED | Private company limited by shares | Live |
| FIRMA LIMITED | Private company limited by shares | Live |
| FIRMA HANDLOWA CO., LIMITED | Private company limited by shares | Live |
| GERMANY FIRMA ACTIVITY PARTITION CO., LIMITED | Private company limited by shares | Dissolved |
| FIRMA CONSULTING LIMITED | Private company limited by shares | Live |
| FIRMA GARMENTS LIMITED | Private company limited by shares | Dissolved |
| Firma Creations (HK) Limited | Private company limited by shares | Live |
| TERRA FIRMA (H.K.) LIMITED | Private company limited by shares | Dissolved |
| FIRMA WELL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Terra Firma Holdings (HK) Limited | | Live |
| Terra Firma Hong Kong Holdings Limited | Private company limited by shares | Live |
| TERRA FIRMA HOLDINGS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TERRA FIRMA HOLDINGS LIMITED | Private company limited by shares | Live |
| FIRMA SAM YAO HONG LIMITED | Private company limited by shares | Live |
| ARCA FIRMA (HONG KONG) LIMITED | Private company limited by shares | Live |
| FIRMA SAM YAO HONG CORP., LIMITED | Private company limited by shares | Live |
| Terra Firma Hong Kong Limited | Private company limited by shares | Live |
| HONGKONG FIRMA BESSIE TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| TERRA FIRMA INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Terra Firma Int'l Limited | Private company limited by shares | Live |
| Firma Medical Aesthetics (Hong Kong) Limited | Private company limited by shares | Live |
| REICH FIRMA LIMITED | Private company limited by shares | Dissolved |
| LA FIRMA SIGNATURES LIMITED | Private company limited by shares | Live |
| TERRA FIRMA LIMITED | Private company limited by shares | Live |
| FIRMACTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRMAIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| Firmaman Company Limited | Private company limited by shares | Live |
| FIRMAMENT LIMITED | Private company limited by shares | Dissolved |
| NEW FIRMAMENT LIMITED | Private company limited by shares | Dissolved |
| FIRMAMENT BUSINESS LIMITED | Private company limited by shares | Dissolved |
| FIRMAMENT MARINE SERVICE CO., LIMITED | Private company limited by shares | Live |
| FIRMAMENT ENTERPRISE, LIMITED | Private company limited by shares | Dissolved |
| IRON FEATHER FIRMAMENT TRADE LIMITED | Private company limited by shares | Live |
| FIRMAMENT GROUP (HONG KONG) INDUSTRIES CO., LIMITED | Private company limited by shares | Live |
| Firmament (International) Limited | Private company limited by shares | Dissolved |
| Iota in Firmament Limited | | Live |
| FIRMAMENT PROPERTIES LIMITED | Private company limited by shares | Live |
| Firmamental (International) Company Limited | Private company limited by shares | Live |
| FIRMARK LIMITED | Private company limited by shares | Dissolved |
| FIRMATE LIMITED | Private company limited by shares | Dissolved |
| FIRMATE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FIRMAX LIMITED | Private company limited by shares | Dissolved |
| FIRMAX LIMITED | Private company limited by shares | Dissolved |
| FIRMAX DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| FIRMAX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FIRMAX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FIRMAX INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FIRMBASE LIMITED | Private company limited by shares | Dissolved |
| FIRMBASE LIMITED | Private company limited by shares | Dissolved |
| FIRMBASE DIGITAL CO., LIMITED | Private company limited by shares | Live |
| FIRMBASE TRADING LIMITED | Private company limited by shares | Dissolved |
| FIRMBRIDGE INTERNATIONAL ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| FIRMBRIDGE CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| FIRMCO LIMITED | Private company limited by shares | Dissolved |
| FIRMCORE ELECTRONICS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| FIRMENICH HONG KONG LIMITED | Private company limited by shares | Dissolved |
| FIRMENICH HONG KONG TRADING LIMITED | Private company limited by shares | Dissolved |
| Firmetal Co., Limited | Private company limited by shares | Live |
| Firmetal Group Co., Limited | Private company limited by shares | Live |
| FIRMEX LIMITED | Private company limited by shares | Dissolved |
| FIRMEX LIMITED | Private company limited by shares | Dissolved |
| FIRMEX HOLDING LIMITED | Private company limited by shares | Dissolved |
| FIRMFAITH (CHINA) COMPANY LIMITED | Private company limited by shares | Live |
| FirmGo Limited | Private company limited by shares | Live |
| FIRMGOAL LIMITED | Private company limited by shares | Dissolved |
| FIRMGROWTH LIMITED | Private company limited by shares | Dissolved |
| FIRMHEAD LIMITED | Private company limited by shares | Dissolved |
| FIRMHEART TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| GONG DESIGN FIRM(HK) CO., LIMITED | Private company limited by shares | Live |
| FIRMIANA LIMITED | Private company limited by shares | Dissolved |
| FIRMIANA HOLDING LIMITED | Private company limited by shares | Live |
| Firmiana Investment Limited | Private company limited by shares | Live |
| Firmiana Simplex Limited | Private company limited by shares | Live |
| FIRMIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIRMIND LIMITED | Private company limited by shares | Dissolved |
| Firmine Limited | Private company limited by shares | Live |
| FIRMING LIMITED | Private company limited by shares | Dissolved |
| FIRMING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FIRMINGTON LIMITED | Private company limited by shares | Dissolved |
| FIRMINO TRADING COMPANY LIMITED | Private company limited by shares | Live |
| FIRMINY CAPITAL LIMITED | Private company limited by shares | Dissolved |
| FIRMLAND LIMITED | Private company limited by shares | Dissolved |
| FIRMLAND LIMITED | Private company limited by shares | Dissolved |
| Tricor Firmley Limited | Private company limited by shares | Live |
| FIRMLINK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FIRMLONG LIMITED | Private company limited by shares | Dissolved |
| FIRMLOT LIMITED | Private company limited by shares | Dissolved |
| FIRMLY TEX LIMITED | Private company limited by shares | Dissolved |
| FIRMMARK LIMITED | Private company limited by shares | Dissolved |
| Firmness Limited | | Live |
| FIRMNESS ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| FIRMODE LIMITED | Private company limited by shares | Dissolved |
| FIRMODE (INNOVATIONS) COMPANY LIMITED | Private company limited by shares | Live |
| Firmoon Limited | | Live |
| FIRMOST LIMITED | Private company limited by shares | Live |
| FIRMOST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FIRMOUNT LIMITED | Private company limited by shares | Live |
| FIRM-OWNED COMPANY LIMITED | Private company limited by shares | Live |