| Hong Kong Fastfish Group Limited | Private company limited by shares | Live |
| FastFish International Limited | | Live |
| Fastfish Financial Technology Co., Limited | Private company limited by shares | Live |
| FASTFIT LIMITED | Private company limited by shares | Dissolved |
| FASTFIT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| YU YIN FASTFOOD LIMITED | Private company limited by shares | Dissolved |
| CVM FASTFOOD CO LIMITED | Private company limited by shares | Dissolved |
| MAI GAR FASTFOOD LIMITED | | Live |
| RONIN ISLAND BUSINESS FASTFOOD INTERNATIONAL CHAIN LIMITED | Private company limited by shares | Dissolved |
| CROWN FASTFOOD ACCESSORIES LIMITED | Private company limited by shares | Dissolved |
| WAH KEUNG FASTFOOD LIMITED | Private company limited by shares | Live |
| ICHIBAN JAPANESE FASTFOOD (KWUN TONG) LIMITED | Private company limited by shares | Dissolved |
| Jiang's Lihua Fastfood Limited | Private company limited by shares | Dissolved |
| TACK KEE FASTFOOD LIMITED | Private company limited by shares | Live |
| FASTFOOD TRADING LIMITED | Private company limited by shares | Dissolved |
| D C FASTFORM LIMITED | Private company limited by shares | Dissolved |
| FASTFORWARD EXPRESS LIMITED | Private company limited by shares | Live |
| PAUSE REWIND & FASTFORWARD LIMITED | Private company limited by shares | Live |
| FASTFUL LIMITED | Private company limited by shares | Dissolved |
| FASTFUL LIMITED | Private company limited by shares | Live |
| FASTFUL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FASTGARY LIMITED | Private company limited by shares | Dissolved |
| FASTGATE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FASTGEN ASIA LIMITED | Private company limited by shares | Live |
| FASTGET INVESTMENTS LIMITED | Private company limited by shares | Live |
| FASTGLAD COMPANY LIMITED | Private company limited by shares | Dissolved |
| FASTGO COMPANY LIMITED | Private company limited by shares | Dissolved |
| Fastgo HK Limited | | Live |
| FASTGO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FASTGO TEXTILES LIMITED | Private company limited by shares | Dissolved |
| FASTGOOD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FASTGOOD KITCHEN LIMITED | Private company limited by shares | Live |
| FASTGRAND ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| GERMANY FASTHERM PIPELINE GROUP LIMITED | Private company limited by shares | Live |
| Fasthost Limited | Private company limited by shares | Live |
| Fasthostinghk Limited | Private company limited by shares | Live |
| FASTI ADVERTISING PRODUCTION LIMITED | Private company limited by shares | Live |
| FASTIC TRANSPORTATION CO., LIMITED | Private company limited by shares | Live |
| HONG KONG FASTIC TRANSPORTATION CO LIMITED | Private company limited by shares | Live |
| FASTIC TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| FASTIDE LIMITED | Private company limited by shares | Dissolved |
| Fastidious Solutions Limited | | Live |
| FASTIER LIMITED | Private company limited by shares | Live |
| FASTIMPORT LIMITED | Private company limited by shares | Live |
| FASTIN LIMITED | Private company limited by shares | Live Commenced dormancy on 19-Sep-2006 |
| FASTING LIMITED | Private company limited by shares | Dissolved |
| HK Fasting Limited | Private company limited by shares | Live |
| Hongkong International Fasting Traditional Medical Science Institute Limited | Private company limited by shares | Live |
| FASTING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Transcendental Fasting Media Company Limited | Private company limited by shares | Live |
| FASTINK LIMITED | Private company limited by shares | Live |
| GEM FASTIVAL LIMITED | Private company limited by shares | Live |
| FASTJET ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| FAST-JET GLOBAL COMPANY LIMITED | Private company limited by shares | Live |
| Fastjet Hong Kong Limited | Private company limited by shares | Live |
| FASTLAB LIMITED | Private company limited by shares | Live |
| Fastlane CPA Limited | Private company limited by shares | Live |
| FASTLANE LIMITED | Private company limited by shares | Live |
| AEY Fastlane Limited | Private company limited by shares | Live |
| FASTLANE JSK COMPANY LIMITED | Private company limited by shares | Live |
| Fastlane Business CPA Limited | | Live |
| Fastlane Capital Limited | Private company limited by shares | Live |
| FASTLANE INVESTMENT LIMITED | Private company limited by shares | Live |
| FASTLANE SHIPPING LIMITED | | Live |
| Fastlane Swimming Co Limited | Private company limited by shares | Live |
| FASTLEY LIMITED | Private company limited by shares | Dissolved |
| FASTLIGHT LIMITED | | Live |
| FASTLINE LIMITED | Private company limited by shares | Live |
| FASTLINK ASIA LIMITED | Private company limited by shares | Live |
| Fastlink Electronics (CN) Co., Limited | | Live |
| FASTLINK TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| FAST-LINK TEXTILES CO., LIMITED | Private company limited by shares | Live |
| Fastlink Doors Company Limited | Private company limited by shares | Live |
| Fastlink Engineering Limited | | Live |
| FAST-LINK EXPRESS LIMITED | Private company limited by shares | Live |
| Fastlink Global Company Limited | Private company limited by shares | Live |
| FASTLINK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FASTLINK NETWORK LIMITED | Private company limited by shares | Live |
| Fastlink Pacific Limited | Private company limited by shares | Live |
| FASTLINK ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| ShenZhen FastLink PCB Limited | Private company limited by shares | Live |
| FASTLINK SHIPPING LIMITED | Private company limited by shares | Live |
| FASTLINK TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| FASTLINK NETWORK TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| FASTLINK TRADING LIMITED | Private company limited by shares | Dissolved |
| FASTLINK INVESTMENTS TRADING CO. LIMITED | Private company limited by shares | Dissolved |
| FASTLINK TRANSPORTATION LIMITED | Private company limited by shares | Live |
| FASTLION (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| FAST-LONG (HK) INTERNATIONAL LIMITED | Private company limited by shares | Live |
| FASTLY COMPANY LIMITED | Private company limited by shares | Dissolved |
| FASTLY LIMITED | Private company limited by shares | Dissolved |
| FASTLY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Fastlyvpn Limited | Private company limited by shares | Live |
| FASTMAN ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| FASTMAN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| FASTMART TECHNOLOGY LIMITED | Private company limited by shares | Live |
| FASTMATE SHIPPING LIMITED | Private company limited by shares | Dissolved |
| FASTMAX LIMITED | Private company limited by shares | Dissolved |
| FASTMEAD COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK FASTMEAT TRADING LIMITED | Private company limited by shares | Live |