| BIG FUNCTION LIMITED | Private company limited by shares | Live |
| FUNCTION LIMITED | Private company limited by shares | Dissolved |
| NEW FUNCTION LIMITED | Private company limited by shares | Dissolved |
| FUNCTION LIMITED | Private company limited by shares | Live |
| Function 5 Company Limited | Private company limited by shares | Live |
| FUNCTION ACCESS LIMITED | Private company limited by shares | Live |
| HK Ustc Function Agricultural Development Limited | Private company limited by shares | Dissolved |
| BEST FUNCTION LIMITED | Private company limited by shares | Dissolved |
| Hongniu Function Beverage Limited | Private company limited by shares | Live |
| FUNCTION (HONG KONG) PET BIOTECHNOLOGY CO., LIMITED | | Live |
| SHIGA BRAIN FUNCTION DEVELOPMENT (ASIA) COMPANY LIMITED | Private company limited by shares | Live |
| USA FUNCTION FIRST BRAND LIMITED | Private company limited by shares | Live |
| CAPITAL FUNCTION LIMITED | Private company limited by shares | Dissolved |
| FUNCTION CAPITAL LIMITED | | Live |
| Function Internet Capital Limited | Private company limited by shares | Live |
| UK CARESON (HONGKONG) ASIA PACIFIC FUNCTION CENTER LIMITED | Private company limited by shares | Live |
| INTERNATIONAL CHINESE HERBAL MEDICINE FUNCTION RESEARCH CENTRE INCL. MANUFACTURING COMPANY LIMITED | Private company limited by shares | Live |
| BETA FUNCTION TECH HOLDING CO., LIMITED | Private company limited by shares | Live |
| CHINA FUNCTION FOOD GROUP STOCK CO., LIMITED | Private company limited by shares | Live |
| HONGKONG MEN FUNCTION HEALTHY RESEARCH INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| Maka Function Drinks Group (HK) Co., Limited | Private company limited by shares | Live |
| JAPAN SONGXIA REDBULL FUNCTION BEVERAGE CO., LIMITED | Private company limited by shares | Dissolved |
| HK FUNCTION TECHNOLOGY CO., LIMITED | | Live |
| FUNCTION TOOLS CO., LIMITED | Private company limited by shares | Live |
| Function Co-Investment Limited | Private company limited by shares | Live |
| FUNCTION, FORM & COLOUR LIMITED | Private company limited by shares | Live |
| NEW FUNCTION COMPUTER LIMITED | Private company limited by shares | Dissolved |
| Function (Core) Limited | Private company limited by shares | Live |
| FUNCTION CORPORATION LIMITED | Private company limited by shares | Dissolved |
| FUNCTION CAPITAL (CHINA) CORPORATION LIMITED | Private company limited by shares | Live |
| FUNCTION TECHNOLOGY CORPORATION LIMITED | Private company limited by shares | Dissolved |
| FUNCTION DECORATION LIMITED | Private company limited by shares | Live |
| FUNCTION, FORM & DESIGN LIMITED | Private company limited by shares | Dissolved |
| FUNCTION DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| SCHOENER NATURAL FUNCTION FIBER TECHNOLOGY DEVELOPMENT (HK) LIMITED | Private company limited by shares | Live |
| GOLD FUNCTION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HONG KONG RUN ZHU GRAIN FUNCTION DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINCERITY GROUP FUNCTION HOUSEHOLD DEVELOPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| KAZUMASA SHIGA BRAIN FUNCTION DEVELOPMENT INSTITUTE (ASIA) LIMITED | Private company limited by shares | Live |
| DOUBLE FUNCTION LIMITED | Private company limited by shares | Dissolved |
| FUNCTION CENTRE FAR EAST LIMITED | Private company limited by shares | Dissolved |
| FUNCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FUNCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FUNCTION ENGINEERING ASIA LIMITED | Private company limited by shares | Live |
| FUNCTION ENTERPRISE CO. LIMITED | Private company limited by shares | Live |
| FINANCE FUNCTION LIMITED | Private company limited by shares | Dissolved |
| CHINA FUNCTION FOOD GROUP CO., LIMITED | Private company limited by shares | Live |
| Perday's Health Function Food Co., Limited | Private company limited by shares | Live |
| HONG KONG FUNCTION FOOD LIMITED | Private company limited by shares | Live |
| FOREMAN FUNCTION LIMITED | Private company limited by shares | Live |
| FUNCTION FOUND GROUP LIMITED | Private company limited by shares | Live |
| MOVEIN FUNCTION GARMENT LIMITED | Private company limited by shares | Live |
| GOLD FUNCTION LIMITED | Private company limited by shares | Dissolved |
| GOLDEN FUNCTION INTERNATIONAL CO. LIMITED | Private company limited by shares | Dissolved |
| GRAND FUNCTION LIMITED | Private company limited by shares | Dissolved |
| GREAT FUNCTION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| China Green Function Agricultural Popularize Association Limited | Private company limited by shares | Live |
| Easy Beauty Function (HK) International Group Limited | Private company limited by shares | Live |
| HEAD FUNCTION LIMITED | Private company limited by shares | Live |
| MINGMU FUNCTION DRINK (HK) GROUP LIMITED | Private company limited by shares | Dissolved |
| CHINA GX NON-FERROUS ALLOY FUNCTION MATERIAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| FUNCTION (HONG KONG) BIOLOGICAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONG KONG QUALITY FUNCTION DEPLOYMENT ASSOCIATION LIMITED | Private company limited by shares | Live |
| MORE FUNCTION STORE HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| HONGKONG FUNCTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Function Technology (HongKong) Co., Limited | Private company limited by shares | Live |
| HONGKONG FUNCTION TECHNOLOGY GROUP CO., LIMITED | Private company limited by shares | Live |
| Hongkong Star Function Technology Co., Limited | Private company limited by shares | Live |
| FUNCTION HOUSE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK RS FUNCTION HOUSEHOLD LIMITED | Private company limited by shares | Live |
| HUGE FUNCTION LIMITED | Private company limited by shares | Dissolved |
| IDEAL FUNCTION LIMITED | | Live |
| IMMUNE FUNCTION OF THE INTERNATIONAL INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| CHINA FUNCTION TEA RESEARCH INSTITUTE COMPANY LIMITED | Private company limited by shares | Live |
| FUNCTION ONE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| FUNCTION INTERNATIONAL CULTURE DISSEMINATION LIMITED | Private company limited by shares | Dissolved |
| FUNCTION TECHNOLOGY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Tera Function International Limited | Private company limited by shares | Live |
| Cognitive Function Assessment & Training (International) Limited | | Live |
| HK INT'L FUNCTION JEWELRY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| FUNCTION CAPITAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ISRAEL KERUISHI FUNCTION OF FERTILIZER (CHINA) CO., LIMITED | Private company limited by shares | Live |
| FUNCTION FORM & LIGHT LIMITED | Private company limited by shares | Dissolved |
| Function Logistics Supply Chain Limited | | Live |
| UK LUOWEIKE FUNCTION FERTILIZER LIMITED | | Live |
| FUNCTION PROPERTY MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| MARK FUNCTION LIMITED | Private company limited by shares | Live |
| FUNCTION ONE NETWORKS LIMITED | Private company limited by shares | Live |
| Prototype Function Limited | Private company limited by shares | Live |
| Asia Quality Function Deployment Association Limited | Company limited by guarantee | Live |
| USA BESTA FUNCTION SCIENCE GROUP LIMITED | Private company limited by shares | Live |
| FUNCTION ONE SECURITY SYSTEM LIMITED | Private company limited by shares | Dissolved |
| FUNCTION ONE SOLUTIONS LIMITED | Private company limited by shares | Live |
| Function Studio Limited | | Live |
| Function Studio Strategic Limited | Private company limited by shares | Live |
| FUNCTION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Function Technology Asia Limited | Private company limited by shares | Live |
| LINK FUNCTION ELECTRONICS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| FUNCTION TELECOMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Live |
| FUNCTION TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |