| 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 |
| FUNCTION TRADING LIMITED | Private company limited by shares | Dissolved |
| Function Union Limited | Private company limited by shares | Live |
| FUNCTION UNITED LIMITED | Private company limited by shares | Live |
| FUNCTION WORKS LIMITED | Private company limited by shares | Live |
| Functional Apparels Company Limited | Private company limited by shares | Live |
| Creative Functional Art Pvt Limited | Private company limited by shares | Live |
| International Society for Integrative Functional Medicine & Dentistry Limited | | Live |
| FUNCTIONAL SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| FUNCTIONAL MATRIX SYSTEMS LIMITED | Private company limited by shares | Live |
| Functional-Nutrition-Now Limited | Private company limited by shares | Dissolved |
| FunctionEight Limited | Private company limited by shares | Live |
| FunctioNext Company Limited | | Live |
| Atomic Functions Limited | | Live |
| EXECUTIVE FUNCTIONS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| FINE FUNCTIONS LIMITED | Private company limited by shares | Dissolved |
| FUNCTIONS UNITED (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Functivity Limited | Private company limited by shares | Live |
| Functor Lab Limited | | Live |
| FunCube Technology Limited | Private company limited by shares | Live |
| FUNCUN INVESTMENT (HONGKONG) MANAGEMENT GROUP LIMITED | Private company limited by shares | Live |
| FuncyDog Co., Limited | Private company limited by shares | Live |