| CIABT LIMITED | Private company limited by shares | Live |
| HK JIMMY CIAGA INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| CiAiYun International Group Co., Limited | Private company limited by shares | Live |
| CIAM Investments Limited | Private company limited by shares | Live Ceased dormancy on 19-Mar-2012 |
| CIAM Capital Management Limited | Private company limited by shares | Live |
| CIAM Capital Management (Overseas) Limited | Private company limited by shares | Live |
| CIAM Properties Limited | Private company limited by shares | Dissolved |
| CIAM (Shenzhen) Limited | Private company limited by shares | Live |
| Ciamei Limited | Private company limited by shares | Live |
| CIAMOND ENGINEERING MACHINERY CO., LIMITED | Private company limited by shares | Live |
| Pu Cian Company Limited | | Live |
| CIAN ELECTRINIC HONG KONG CO., LIMITED | Private company limited by shares | Live |
| LI CIAN (HONG KONG) ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CIAN FEI International Limited | | Live |
| CIAN YI MARINE PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| CIANI COMPANY LIMITED | Private company limited by shares | Dissolved |
| CIANIN LIMITED | Private company limited by shares | Live |
| Cianit Co., Limited | Private company limited by shares | Live |
| CIANNA DIGITAL LIMITED | Private company limited by shares | Live |
| CIANTECH LIMITED | Private company limited by shares | Live |
| CIAO LIMITED | Private company limited by shares | Dissolved |
| Ciao Animation Limited | | Live |
| CIAO BELLA HK LIMITED | Private company limited by shares | Dissolved |
| Ciao Bella Beauty Limited | | Live |
| Bella Ciao Lantau Limited | | Live |
| Cafe Ciao Ciao Limited | Private company limited by shares | Dissolved |
| Ciao Carbon Limited | Private company limited by shares | Live |
| CIAO CERAMIC LIMITED | Private company limited by shares | Live |
| CIAO AND CHEERS LIMITED | | Live |
| Hao Ciao Trading Co., Limited | Private company limited by shares | Live |
| CIAO COLLECTIONS LIMITED | Private company limited by shares | Dissolved |
| CIAO RUI LIFESTYLE CONSULTING LIMITED | Private company limited by shares | Live |
| CIAO ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| CIAO FABRIC LIMITED | Private company limited by shares | Live |
| CIAO GRAZIA FASHION CO., LIMITED | Private company limited by shares | Live |
| Ciao Link Fintech Limited | Private company limited by shares | Live |
| CIAO FURNITURE LIMITED | Private company limited by shares | Live |
| Ciao Memorial Glass Art Limited | Private company limited by shares | Live |
| CIAO WEATHER (HK) LIMITED | Private company limited by shares | Live |
| HONGKONG CIAO TRADE LIMITED | | Live |
| CIAO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| CIAO FURNITURE INDUSTRY LIMITED | Private company limited by shares | Live |
| CIAO International Limited | Private company limited by shares | Live |
| CIAO INTERNATIONAL COMMERCIAL LIMITED | Private company limited by shares | Live |
| CIAO SOLE INT'L CO., LIMITED | Private company limited by shares | Live |
| CIAO ITALIA COMPANY LIMITED | Private company limited by shares | Live |
| Ciao Lady Limited | Private company limited by shares | Live |
| CIAO BELLA FUR & LEATHER LIMITED | Private company limited by shares | Dissolved |
| Ciao Advertising & Marketing Limited | Private company limited by shares | Dissolved |
| Ciao Mojo Limited | | Live |
| Ciao Pokfulam Limited | | Live |
| Ciao Weather & Solare Industry Limited | Private company limited by shares | Live |
| Studio Ciao Limited | Private company limited by shares | Live |
| Ciao Technology Limited | | Live |
| CIAO. VENTURES LIMITED | | Live |
| CIAO WEATHER FURNITURE LIMITED | Private company limited by shares | Live |
| CIAOBELLA COMPANY LIMITED | Private company limited by shares | Live |
| Ciaoco Company Limited | Private company limited by shares | Live |
| Ciaogogo Group Limited | Private company limited by shares | Live |
| CIAOS DESIGN CO. LIMITED | Private company limited by shares | Dissolved |
| CIAOYI GLASS (HK) CO. LIMITED | Private company limited by shares | Live |
| CIARLA GROUP LIMITED | Private company limited by shares | Live |
| CIARRA EU Limited | | Live |
| CIASH LIMITED | Private company limited by shares | Live |
| CIASYS Limited | Private company limited by shares | Live |
| CIAT LIMITED | Private company limited by shares | Dissolved |
| CIAVI LIMITED | Private company limited by shares | Live |