| Kan Kan Kan (IS) Limited | Private company limited by shares | Live |
| I.S. COLOUR LIMITED | Private company limited by shares | Live |
| I.S. ASIA ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| I.S. GROUP LIMITED | Private company limited by shares | Dissolved |
| I.S. IWASAKI COMPANY (HONG KONG) LIMITED | Private company limited by shares | Live |
| THEB I.S. (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| Marugame (IS) Limited | Private company limited by shares | Live |
| I.S. NOMINEE LIMITED | Private company limited by shares | Live |
| I.S. TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| I.S. ASIA TRADING LIMITED | Private company limited by shares | Dissolved |
| Nadai Unatoto (IS) Limited | Private company limited by shares | Live |
| ISAA LIMITED | Private company limited by shares | Dissolved |
| ISAAC LIMITED | Private company limited by shares | Live |
| ISAAC CO., LIMITED | Private company limited by shares | Dissolved |
| CYC ISAAC CO., LIMITED | Private company limited by shares | Live |
| ISAAC HP CO., LIMITED | Private company limited by shares | Live |
| ISAAC LANGHAM PLACE CO., LIMITED | Private company limited by shares | Live |
| Isaac Scientific Publishing Co., Limited | Private company limited by shares | Live |
| ISAAC TECHNOLOGY CONSULTANT CO., LIMITED | | Live |
| ISAAC Consulting Limited | Private company limited by shares | Live |
| ISAAC INDUSTRIAL (QING DAO) COMPANY LIMITED | Private company limited by shares | Live |
| Isaac IT Development Company Limited | | Live |
| Isaac DreamWorks Company Limited | Private company limited by shares | Dissolved |
| Isaac Mechanical Engineering Limited | | Live |
| ISAAC JEWELER GROUP (HK) CO., LIMITED | Private company limited by shares | Live |
| ISAAC ONE HOLDING LIMITED | | Live |
| ISAAC TWO HOLDING LIMITED | | Live |
| ISAAC 0129 HOLDING LIMITED | | Live |
| ISAAC HOLDINGS (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| ISAAC HONG KONG CO., LIMITED | Private company limited by shares | Live |
| Fair Isaac Hong Kong Limited | Private company limited by shares | Live |
| ISAAC HONGKONG LIMITED | Private company limited by shares | Live |
| ISAAC TRADE (HONGKONG) LIMITED | Private company limited by shares | Live |
| ISAAC IMPORT&EXPORT COMPANY LIMITED | Private company limited by shares | Live |
| ISAAC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ISAAC MEI INTERNATIONAL GROUP (HK) LIMITED | Private company limited by shares | Dissolved |
| ISAAC INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Isaac & Jacob's Investment Company Limited | Private company limited by shares | Live |
| ISAAC LOGISTICS LIMITED | Private company limited by shares | Live |
| ISAAC & PATRICK ASSOCIATE LIMITED | Private company limited by shares | Live |
| ISAAC SEARCH LIMITED | Private company limited by shares | Live |
| Isaac & Teo Digital Solutions Limited | Private company limited by shares | Live |
| Isaac Spellman Studio Limited | | Live |
| Isaac BB Trading Limited | Private company limited by shares | Live |
| ISAAC TRADING LIMITED | Private company limited by shares | Live |
| ISAAC TRADING COMPANY LIMITED | Private company limited by shares | Live |
| ISAAC ROTCHES TRENDS LIMITED | Private company limited by shares | Live |
| Isaac Wong Limited | Private company limited by shares | Live |
| iSAACMA (HK) Co. Limited | Private company limited by shares | Live |
| ISAACNKY HOLDING LIMITED | | Live |
| ISAACS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Isaacspace Limited | Private company limited by shares | Live |
| ISAAC-TUNG TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ISAAN NETWORK LIMITED | Private company limited by shares | Dissolved |
| Isabel Limited | | Live |
| France Isabel Group Co., Limited | Private company limited by shares | Live |
| ISABEL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| ISABEL DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| Isabel Gemstone Company Limited | Private company limited by shares | Live |
| ISABEL GROUP LIMITED | Private company limited by shares | Live |
| ENGLAND ISABEL GROUP CO., LIMITED | Private company limited by shares | Live |
| ISABEL NICKEL (HK) LIMITED | Private company limited by shares | Live |
| HK ISABEL FASHION HOME IND. LIMITED | Private company limited by shares | Dissolved |
| HONGKONG ISABEL CUPBOARD RESEARCH DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ITALY ISABEL INTERNATIONAL HOLDINGS GROUP LIMITED | Private company limited by shares | Dissolved |
| ISABEL INTERNATIONAL MEDICAL GROUP CO., LIMITED | Private company limited by shares | Live |
| ISABEL INT'L TRADE LIMITED | Private company limited by shares | Live |
| ISABEL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Isabel Sourcing Limited | Private company limited by shares | Live |
| ISABELL INTERNATIONAL CONSTRUCTION CO., LIMITED | Private company limited by shares | Live |
| ISABELL BIO-TECHNOLOGY GROUP (FRANCE) COMPANY LIMITED | Private company limited by shares | Dissolved |
| ISABELL FURNITURE LIMITED | Private company limited by shares | Dissolved |
| ISABELLA LIMITED | Private company limited by shares | Dissolved |
| ISABELLA LIMITED | Private company limited by shares | Dissolved |
| Isabella Beauty Limited | Private company limited by shares | Live |
| ISABELLA ENTERTAINMENT CO., LIMITED | Private company limited by shares | Live |
| HK ISABELLA GROUP LIMITED | Private company limited by shares | Live |
| ISABELLA SWITZERLAND INTERNATIONAL WATCH INDUSTRY GROUP CO., LIMITED | Private company limited by shares | Live |
| ISABELLA (INDONESIA) LIMITED | Private company limited by shares | Dissolved |
| Isabella Lighting Limited | Private company limited by shares | Live |
| ISABELLA SHARES LIMITED | Private company limited by shares | Dissolved |
| ISABELLA'S CLOSET COMPANY LIMITED | Private company limited by shares | Live |
| ISABURO SHOTEN LIMITED | Private company limited by shares | Live |
| I.SAC LIMITED | Private company limited by shares | Live |
| ISAC ( ASIA ) LIMITED | Private company limited by shares | Live |
| ISACCO HOLDINGS (HK) LIMITED | Private company limited by shares | Live |
| ISACHI HK LIMITED | Private company limited by shares | Live |
| ISACO SHIPPING HK LIMITED | | Live |
| ISACO TRADING COMPANY LIMITED | Private company limited by shares | Live |
| ISACSTAR Limited | Private company limited by shares | Live |
| ISAD Limited | Private company limited by shares | Live |
| Isadas Import&Export Co., Limited | Private company limited by shares | Dissolved |
| ISADAS MEDIA AND COMMUNICATION LIMITED | Private company limited by shares | Live |
| ISADORA BOUTIQUE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ISADORA EUROPEAN FASHION LIMITED | Private company limited by shares | Dissolved |
| iSafe Limited | Private company limited by shares | Live |
| iSafety Limited | Private company limited by shares | Live |
| Isafety Fire Technology Limited | Private company limited by shares | Dissolved |
| Isagenix (Asia Pacific) Hong Kong, Limited | Private company limited by shares | Ceased to exist as a separate entity |
| ISAHK COMPANY LIMITED | Private company limited by shares | Dissolved |