| I-TAC COMPANY LIMITED | Private company limited by shares | Dissolved |
| ITAC LIMITED | Private company limited by shares | Live |
| ITAC Investments Enterprise Limited | Private company limited by shares | Dissolved |
| ITAC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Itacare Company Limited | Private company limited by shares | Live |
| ITACCESS GLOBAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| ITACCOUNTANTS ASSOCIATION LIMITED | Company limited by guarantee | Live |
| IT-ACES PRIVATE LIMITED | Private company limited by shares | Dissolved |
| Itach Technology Limited | Private company limited by shares | Live |
| ITACH VISION LIMITED | Private company limited by shares | Live |
| ITACHI 00 HOLDING LIMITED | | Live |
| ITACHI 4L HOLDING LIMITED | | Live |
| Itachi Holdings Limited | Private company limited by shares | Live |
| UNITED ITACHI (HONG KONG) IFF CO., LIMITED -THE- | Private company limited by shares | Dissolved |
| ITACHI INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ITACHI INTERNATIONAL TRADING GROUP LIMITED | Private company limited by shares | Live |
| ITACHI TRADING LIMITED | Private company limited by shares | Dissolved |
| ITACHO FRANCHISING COMPANY LIMITED | Private company limited by shares | Live |
| ITACI COMPANY LIMITED | Private company limited by shares | Dissolved |
| ITACI FURNITURE SERVICE CO., LIMITED | Private company limited by shares | Dissolved |
| ITACINA TRANSAZIONE & SVILUPPO LIMITED | Private company limited by shares | Live |
| iTACT LIMITED | Private company limited by shares | Live |
| ITACTICIAN WEB SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| iTactics Company Limited | Private company limited by shares | Live |