| WONDER FAST LIMITED | Private company limited by shares | Dissolved |
| FAST YEAR LIMITED | Private company limited by shares | Dissolved |
| FAST YEAR LIMITED | Private company limited by shares | Live |
| YIELD FAST LIMITED | Private company limited by shares | Dissolved |
| YIELD FAST ASIA LIMITED | Private company limited by shares | Dissolved |
| Fast4ward HK Limited | Private company limited by shares | Live |
| FAST88 LIMITED | Private company limited by shares | Live |
| FASTA COMPANY LIMITED | Private company limited by shares | Dissolved |
| FASTA SHIPPING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Fasta Intellectual Property Limited | Private company limited by shares | Live |
| Fasta.ai Limited | Private company limited by shares | Live |
| SML FASTABS (HONG KONG) LIMITED | Private company limited by shares | Live |
| FASTACE LOGISTICS (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| FASTACT COMPANY LIMITED | Private company limited by shares | Dissolved |
| FASTALE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FASTAR FASHION FACTORY LIMITED | Private company limited by shares | Dissolved |
| FASTAR (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG FASTAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| Fastar Industry Co., Limited | Private company limited by shares | Live |
| FASTAR INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FASTAR TRADING CO., LIMITED | Private company limited by shares | Live |
| FASTARISE INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Fastarrive Limited | Private company limited by shares | Dissolved |
| FASTARY LIMITED | Private company limited by shares | Live |
| FASTASIA HONG KONG LIMITED | | Live |
| FASTATIC LIMITED | Private company limited by shares | Dissolved |
| HK FASTATION LIMITED | Private company limited by shares | Live |
| FASTAX LIMITED | Private company limited by shares | Dissolved |
| FASTBAC (ASIA) LIMITED | Private company limited by shares | Dissolved |
| FASTBLOOM LIMITED | Private company limited by shares | Dissolved |
| FASTBLUE(HONG KONG)TECHNOLOGY CO., LIMITED | | Live |
| FASTBO LIMITED | Private company limited by shares | Dissolved |
| FASTBO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FASTBOAT HK LIMITED | Private company limited by shares | Live |
| Fastbon Technology (HK) Limited | Private company limited by shares | Live |
| FASTBROKERS CO., LIMITED | Private company limited by shares | Dissolved |
| Fastbull (HK) Limited | | Live |
| FASTBUSY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FASTCARE COMPANY LIMITED | Private company limited by shares | Live |
| FASTCARE SERVICE LIMITED | Private company limited by shares | Live |
| Fastcargo Trading Limited | Private company limited by shares | Dissolved |
| Fastcat Technology Limited | | Live |
| Fastcereal Industrial Limited | Private company limited by shares | Live |
| FASTCHANT COMPANY LIMITED | Private company limited by shares | Dissolved |
| FastCheck Company Limited | | Live |
| FASTCHEM COMPANY LIMITED | Private company limited by shares | Live |
| FastCircle Limited | Private company limited by shares | Live |
| Fastclick Limited | | Live |
| Fastcloud Limited | Private company limited by shares | Live |
| FastCloud Electronic Limited | Private company limited by shares | Live |
| FASTCN LIMITED | Private company limited by shares | Live |
| FASTCO LIMITED | Private company limited by shares | Dissolved |
| FASTCO LIMITED | Private company limited by shares | Live |
| FASTCO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FASTCOM PRECISION INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Fastcomcorp Limited | Private company limited by shares | Live |
| FASTCOMMERCE LIMITED | Private company limited by shares | Live |
| FASTCORP LIMITED | Private company limited by shares | Dissolved |
| FASTCORP LIMITED | | Live |
| FASTCROWN COMPANY LIMITED | Private company limited by shares | Dissolved |
| FASTDATA ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| FASTEAM LIMITED | Private company limited by shares | Live |
| FASTEARN LIMITED | Private company limited by shares | Dissolved |
| FASTEARN FINANCE LIMITED | Private company limited by shares | Live |
| FASTEASY GLOBAL LIMITED | | Live |
| FASTEASY (HK) ENTERPRISE LIMITED | Private company limited by shares | Live |
| Fast&Easy (HongKong) Co., Limited | Private company limited by shares | Live |
| FASTECH LIMITED | Private company limited by shares | Dissolved |
| FASTECH LIMITED | Private company limited by shares | Dissolved |
| FASTECH LIMITED | Private company limited by shares | Dissolved |
| FASTECH PCB LIMITED | Private company limited by shares | Live |
| Fastech Limited | Private company limited by shares | Live |
| FASTECH ASIA LIMITED | Private company limited by shares | Live |
| FASTECH (AV) LIMITED | Private company limited by shares | Dissolved |
| Fastech International Co., Limited | Private company limited by shares | Live |
| FASTECH COMPUTER LIMITED | Private company limited by shares | Dissolved |
| FASTECH CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| FASTECH ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| FASTECH ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| Fastech Electronics Company Limited | Private company limited by shares | Live |
| Fastech Engineering (HK) Limited | Private company limited by shares | Live |
| FASTECH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FASTECH (HK) LIMITED | Private company limited by shares | Dissolved |
| FASTECH (H.K.) LIMITED | Private company limited by shares | Live |
| ANSHIDA FASTECH (H.K.) LIMITED | Private company limited by shares | Live |
| FASTECH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| FASTECH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FASTECH MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| Fastech superhard tools company Limited | Private company limited by shares | Live |
| Fastechnic Limited | | Live |
| FASTECT COMPANY LIMITED | Private company limited by shares | Dissolved |
| FASTEEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| FASTEL LIMITED | Private company limited by shares | Dissolved |
| FASTEL TRADING LIMITED | Private company limited by shares | Live |
| FASTELLE SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FASTEN LIMITED | Private company limited by shares | Dissolved |
| FASTEN FIX CO., LIMITED | Private company limited by shares | Live |
| FASTEN CO., LIMITED | Private company limited by shares | Live |
| FASTEN INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| FASTEN GROUP LIMITED | Private company limited by shares | Live |