| Youternet Information Technology Limited | | Live |
| JIN YUAN ZI INFORMATION TECHNOLOGY CONSULTATION LIMITED | Private company limited by shares | Live |
| HK YUANXIN INFORMATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK YuanYou Information Technology Co., Limited | Private company limited by shares | Live |
| YUESHENG TECHNOLOGY INFORMATION SERVICE LIMITED | | Live |
| YUKU INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Yulin Information Technology Company Limited | | Live |
| Yunqi Information Technology Limited | Private company limited by shares | Live |
| Yunshang Times Information Technology Co., Limited | Private company limited by shares | Live |
| YUNZHONGJIE INFORMATION TECH (HK) CO., LIMITED | Private company limited by shares | Live |
| HK Yuwei Information Technology Limited | | Live |
| HK Yuyinling Information Technology Co., Limited | | Live |
| Yuyou Network Information Technology Company Limited | | Live |
| Zaidao Information Technology (Hong Kong) Limited | | Live |
| ZaiHaiWai Information Technology co., Limited | Private company limited by shares | Live |
| Zennit Information Technology Co., Limited | Private company limited by shares | Live |
| ZERO POINT INFORMATION TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Zero Information Technology Limited | | Live |
| New Zero Information Technology Co., Limited | | Live |
| ZERO DIMENSION INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Zeta Geeta Information Technology Co., Limited | Private company limited by shares | Live |
| Zeus Information Technology Co., Limited | Private company limited by shares | Live |
| ZHAO WEI INFORMATION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Qian Zhao Information Technology (H K) Co., LIMITED | Private company limited by shares | Live |
| Zhengchen Information Technology Co., Limited | | Live |
| Zhengxin Information Technology Limited | | Live |
| ZHENYE INFORMATION TECHNOLOGY HK CO., LIMITED | Private company limited by shares | Dissolved |
| HK ZHIDA INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Zhifei Information Limited | Private company limited by shares | Live |
| Zhijian Information Technology Co., Limited | | Live |
| ZHILI INFORMATION LIMITED | | Live |
| ZHILI YAOAN NETWORK INFORMATION CO., LIMITED | | Live |
| ZHONGCHENG INFORMATION AND ADVISORY LIMITED | Private company limited by shares | Dissolved |
| HK ZHONGHUA FINANCIAL INFORMATION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Zhonghui Global Information Consulting Co., Limited | Private company limited by shares | Live |
| Fang Zhou Information Company Limited | | Live |
| ZHUOCHUANG TECHNOLOGY INFORMATION LIMITED | Private company limited by shares | Live |
| ZING INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ZiYuPingAn Information Limited | Private company limited by shares | Live |
| Zondau Information Limited | Private company limited by shares | Live |
| Zonelink Information & Technology Co., Limited | Private company limited by shares | Live |
| HK COMBINE INFORMATIONAL CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| GLOBAL LINK INFORMATIONAL LIMITED | Private company limited by shares | Live |
| ANALYSES CONSEILS INFORMATIONS ASIA LIMITED | Private company limited by shares | Dissolved |
| BABY'S FIRST PROLIGEROUS INFORMATIONS CONSULTING SERVICE LIMITED | Private company limited by shares | Dissolved |
| Fancy Informations Co., Limited | | Live |
| SANYO COMPUTER INFORMATIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| STATE RESEARCH INFORMATIONS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| J&J INFORMATIONS TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Pengki Information&Technology Co., Limited | | Live |
| Tac Tic Informatique Limited | Private company limited by shares | Live |
| UNI INFORMATIQUE LIMITED | Private company limited by shares | Live |
| DIGI-MEDIA INFORMATIQUE LIMITED | Private company limited by shares | Live |
| MAKOM INFORMATIQUE LIMITED | Private company limited by shares | Live |
| Informatique World Solutions Limited | | Live |
| PAN-GLOBAL INFORMATIVE AGENCY LIMITED | Private company limited by shares | Dissolved |
| Informative Holding Limited | | Live |
| INFORMATIVE BUSINESS SYSTEMS (HK) LIMITED | Private company limited by shares | Dissolved |
| INFORMATIX BUSINESS SYSTEMS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| CHINA ENTERPRISE INFORMATIZATION PROPEL CENTER LIMITED | Private company limited by shares | Live |
| CHONGTENG INFORMATLON TECHNOLOGI CO., LIMITED | Private company limited by shares | Live |
| INFORMATRIX COMPANY LIMITED | Private company limited by shares | Dissolved |