| ISAI LIMITED | Private company limited by shares | Live |
| ISAIA LIMITED | Private company limited by shares | Live |
| ISAIA HONG KONG LIMITED | Private company limited by shares | Live |
| ISAIAH LIMITED | | Live |
| ISAIAH FURNITURE CO., LIMITED | Private company limited by shares | Live |
| ISAIAH CONSULTANCY LIMITED | Private company limited by shares | Live |
| Isaiah Investment Holding Limited | Private company limited by shares | Live |
| Korea Isaiah Cosmetics Co., Limited | Private company limited by shares | Live |
| Isaiah Mission Ministry Limited | Company limited by guarantee | Live |
| Isaiah44 Limited | | Live |
| ISAIYO LIMITED | Private company limited by shares | Dissolved |