| BEST FOUNTAIN LIMITED | Private company limited by shares | Dissolved |
| CAPITAL FOUNTAIN LIMITED | Private company limited by shares | Live |
| CHAMPION FOUNTAIN ENTERPRISES LIMITED | Private company limited by shares | Live |
| CHANGES FOUNTAIN INTERNATIONAL GROUP HOLDING LIMITED | Private company limited by shares | Live |
| FOUNTAIN CHASE LIMITED | Private company limited by shares | Live |
| CHINA FOUNTAIN LANDSCAPE ASSOCIATION LIMITED | Private company limited by shares | Live |
| CHINA GARDEN LANDSCAPE FOUNTAIN GROUP LIMITED | Private company limited by shares | Live |
| CHINA FOUNTAIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Mighty Fountain Consulting Limited | | Live |
| Fountain Cosmetics HK Pty Limited | Private company limited by shares | Live |
| FOUNTAIN SET CYBERTECH LIMITED | Private company limited by shares | Live |
| TAI TUNG DRINKING FOUNTAIN MANUFACTORY COMPANY LIMITED | Private company limited by shares | Live |
| FOUNTAIN ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| FOUNTAIN JET ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Eternal Fountain Capital Co., Limited | | Live |
| FANCY FOUNTAIN LIMITED | Private company limited by shares | Live |
| FASTO FOUNTAIN LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN FINANCE LIMITED | Private company limited by shares | Live |
| FINE FOUNTAIN INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| Forest Fountain Limited | Private company limited by shares | Live |
| FORTUNE FOUNTAIN LIMITED | Private company limited by shares | Dissolved |
| FORTUNE FOUNTAIN LIMITED | Private company limited by shares | Live |
| FORTUNE FOUNTAIN LIMITED | Private company limited by shares | Live |
| Fortune Fountain Capital Limited | Private company limited by shares | Live |
| FORTUNE FOUNTAIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Fortune Fountain Investment Limited | Private company limited by shares | Live |
| FRUIT'S FOUNTAIN LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN GAIN LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN GAIN LIMITED | Private company limited by shares | Dissolved |
| GAIN FOUNTAIN LIMITED | Private company limited by shares | Live |
| Garden of Fountain Limited | Company limited by guarantee | Live |
| BLUESKY FOUNTAIN GLOBAL LIMITED | Private company limited by shares | Live |
| Ever Fountain Global Wealth Management Limited | Private company limited by shares | Live |
| Glory Fountain Limited | Private company limited by shares | Live |
| GOLD FOUNTAIN LIMITED | Private company limited by shares | Dissolved |
| GOLD FOUNTAIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN GOLD COMPANY LIMITED | Private company limited by shares | Live |
| GOLD FOUNTAIN LIMITED | Private company limited by shares | Live |
| Gold Fountain Limited | Private company limited by shares | Live |
| GOLD FOUNTAIN ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Gold Fountain Wines Limited | | Live |
| GORGEOUS FOUNTAIN LIMITED | Private company limited by shares | Live |
| Grace Fountain Company Limited | | Live |
| GRAND FOUNTAIN LIMITED | Private company limited by shares | Dissolved |
| GRAND FOUNTAIN COMPANY LIMITED | Private company limited by shares | Live |
| GREEN FOUNTAIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GREEN FOUNTAIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| FOUNTAIN GROW LIMITED | Private company limited by shares | Live |
| Fountain Happy Limited | | Live |
| Harvest Fountain Corporation Limited | Private company limited by shares | Live |
| Fountain Healthcare Limited | Private company limited by shares | Live |
| FOUNTAIN HILL LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN HILL CAPITAL LIMITED | Private company limited by shares | Live |
| Fountain Holding Limited | Private company limited by shares | Live |
| HONG KONG WELL DRAGON FOUNTAIN COMPANY LIMITED | Private company limited by shares | Live |
| FORTUNE FOUNTAIN CAPITAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| MIGHTY FOUNTAIN (HONG KONG) LIMITED | | Live |
| Star Fountain Hong Kong Limited | Private company limited by shares | Live |
| HONOR FOUNTAIN LIMITED | Private company limited by shares | Dissolved |
| IDEA FOUNTAIN LIMITED | Private company limited by shares | Live |
| Imperium Ever Fountain Trust Limited | Public company limited by shares | Live |
| Infinity Fountain Holding Limited | Private company limited by shares | Dissolved |
| FOUNTAIN INNOVATIONS LIMITED | Private company limited by shares | Live |
| FOUNTAIN INVESTMENT LIMITED | Private company limited by shares | Live |
| FOUNTAIN INVESTMENT LIMITED | Private company limited by shares | Live |
| ASIA FOUNTAIN INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| BEAUTEOUS FOUNTAIN INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHAIN FOUNTAIN INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| EURO FOUNTAIN INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| GLORY FOUNTAIN INVESTMENT LIMITED | Private company limited by shares | Live |
| GOLD FOUNTAIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GRAND FOUNTAIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MEGA FOUNTAIN INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN PASS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| RESOURCEFUL FOUNTAIN INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| RICH FOUNTAIN INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN SUCCESS INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| FOUNTAIN SET INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN JACK LIMITED | Private company limited by shares | Dissolved |
| Fountain Jewellery Company Limited | Private company limited by shares | Live |
| LEGEND FOUNTAIN LIMITED | Private company limited by shares | Live |
| FOUNTAIN LUCK LIMITED | Private company limited by shares | Live |
| LUCKY FOUNTAIN LIMITED | Private company limited by shares | Dissolved |
| LUCKY FOUNTAIN LIMITED | Private company limited by shares | Live |
| MAGIC FOUNTAIN INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN MAKER LIMITED | Private company limited by shares | Live |
| Ever Fountain Wealth Management Limited | Private company limited by shares | Dissolved |
| FORTUNE FOUNTAIN MANAGEMENT LIMITED | Private company limited by shares | Live |
| TAK KEE FOUNTAIN PEN MANUFACTURERS LIMITED | Private company limited by shares | Live |
| MASTER FOUNTAIN LIMITED | Private company limited by shares | Dissolved |
| Mighty Fountain Limited | Private company limited by shares | Live |
| UK MOREJOY FOUNTAIN PEN LIMITED | Private company limited by shares | Live |
| SOUTH NORTH FOUNTAIN LIMITED | Private company limited by shares | Live |
| OCEAN FOUNTAIN LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN FAMILY OFFICE LIMITED | | Live |
| Fountain Rock Family Office Limited | Private company limited by shares | Live |
| FOUNTAIN PEAK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN POINT LIMITED | Private company limited by shares | Dissolved |