| 3ChemBio Limited | Private company limited by shares | Live |
| 3CHK Limited | Private company limited by shares | Live |
| 3Cinnolighting Limited | Private company limited by shares | Live |
| 3CLED INDUSTRIAL (HONGKONG) LIMITED | Private company limited by shares | Live |
| 3-Colors Fine Technology (Hong Kong) Company Limited | Private company limited by shares | Live |
| 3COM ASIA LIMITED | Private company limited by shares | Live |
| 3COM CHINA LIMITED | Private company limited by shares | Dissolved |
| 3COM ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| 3COMMA LIMITED | | Live |
| 3-CON ELECTRONICS LIMITED | Private company limited by shares | Live |
| 3CONNECTS LIMITED | Private company limited by shares | Dissolved |
| 3-CONS (HONG KONG) TRADING LIMITED | Private company limited by shares | Dissolved |
| 3COPTICS CO., LIMITED | Private company limited by shares | Live |
| 3CORNER LIMITED | Private company limited by shares | Dissolved |
| 3cott Limited | Private company limited by shares | Live |
| 3Creation Company Limited | Private company limited by shares | Live |
| 3Crew Limited | Private company limited by shares | Live |
| 3CS-DESIGN LIMITED | Private company limited by shares | Live |
| 3CSoft Technology and Consultant Limited | Private company limited by shares | Dissolved |
| 3D1G SOURCING LIMITED | Private company limited by shares | Live |
| 3d2parts Co., Limited | | Live |
| 3D4U LIMITED | Private company limited by shares | Dissolved |
| 3DBaza Limited | Private company limited by shares | Live |
| 3DEEDZ LIMITED | Private company limited by shares | Live |
| 3DEEP LIMITED | Private company limited by shares | Live |
| 3D-EFX LIMITED | Private company limited by shares | Dissolved |
| 3DES Limited | Private company limited by shares | Live |
| 3Detailing Co., Limited | Private company limited by shares | Live |
| 3D-FX LIMITED | Private company limited by shares | Dissolved |
| 3DFXi LIMITED | Private company limited by shares | Live |
| 3D-GOLD COMPANY LIMITED | Private company limited by shares | Live |
| 3D-GOLD Enterprises Company Limited | Private company limited by shares | Dissolved |
| 3D-GOLD Group Limited | Private company limited by shares | Dissolved |
| 3D-GOLD (PRC Holding) Company Limited | Private company limited by shares | Live |
| 3D-GOLD (Hubei) Investment Limited | Private company limited by shares | Dissolved |
| 3D-GOLD INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| 3D-GOLD Jewellery Company Limited | Private company limited by shares | Dissolved |
| 3D-GOLD Jewellery (HK) Limited | Private company limited by shares | Live |
| 3D-GOLD Jewellery International Company Limited | Private company limited by shares | Dissolved |
| 3D-GOLD Properties (HK) Limited | Private company limited by shares | Live |
| 3D-GOLD Jewellery (Taiwan) Limited | Private company limited by shares | Live |
| 3-digi Multimedia Technology Company Limited | Private company limited by shares | Live |
| 3DIS Limited | Private company limited by shares | Live |
| 3diver Limited | Private company limited by shares | Live |
| 3DMAGIC LENTICULAR PRINTING PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| 3DMart HK Limited | Private company limited by shares | Live |
| 3DMed Diagnostics (Hong Kong) Co., Limited | Private company limited by shares | Live |
| 3D-Modern Healthcare Limited | Private company limited by shares | Live |
| 3DNA LIMITED | Private company limited by shares | Live |
| 3DOE (HONGKONG) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| 3DOM CREATIONS LIMITED | Private company limited by shares | Dissolved |
| 3DOM (ASIA PACIFIC) LIMITED | Private company limited by shares | Live |
| 3dontbuyseafood Limited | | Live |
| 3DOT3.COM LIMITED | Private company limited by shares | Dissolved |
| 3D-PANDA (HK) SERVICES LIMITED | Private company limited by shares | Dissolved |
| 3DPEV Limited | Private company limited by shares | Live |
| My 3Dpics Limited | Private company limited by shares | Live |
| 3DPLamp HK LIMITED | | Live |
| 3DPREMIUM LIMITED | Private company limited by shares | Dissolved |
| 3DQUICKMOLD LIMITED | Private company limited by shares | Live |
| 3D-SCAPE LIMITED | Private company limited by shares | Dissolved |
| 3DSCO LIMITED | Private company limited by shares | Live Commenced dormancy on 04-May-2016 |
| 3DSPRO Limited | | Live |
| 3DTrueLife Limited | Private company limited by shares | Live |
| 3D-Tube Technology Co., Limited | Private company limited by shares | Live |
| 3DWARFS LIMITED | Private company limited by shares | Dissolved |
| 3DWINDWORLD LIMITED | Private company limited by shares | Dissolved |
| 3Dx3D Studio Limited | Private company limited by shares | Live |
| 3Dynamics Limited | Private company limited by shares | Live |
| 3EASY HEALTH PROPERTIES (HONGKONG) HOLDING LIMITED | Private company limited by shares | Live |
| 3EDC LIMITED | Private company limited by shares | Live |
| 3-EDESIGN LIMITED | Private company limited by shares | Live |
| 3Eights.com Limited | Private company limited by shares | Dissolved |
| 3ELEAD CO., LIMITED | Private company limited by shares | Live |
| 3ENA LIMITED | Private company limited by shares | Live |
| 3EPACK LIMITED | Private company limited by shares | Live |
| 3EWEB LIMITED | Private company limited by shares | Dissolved |
| 3FACTOR INT'L CO., LIMITED | Private company limited by shares | Dissolved |
| 3Faktur HK Limited | Private company limited by shares | Live |
| 3FAM LIMITED | | Live |
| 3Fifteen Company Limited | Private company limited by shares | Live |
| 3finders Limited | Private company limited by shares | Live |
| 3Fire Limited | Private company limited by shares | Live |
| 3Flum Limited | | Live |
| 3FOLDER.COM LIMITED | Private company limited by shares | Dissolved |
| 3FOOD LIMITED | Private company limited by shares | Live |
| 3formations Limited | Private company limited by shares | Live |
| 3GATTI LIMITED | Private company limited by shares | Live |
| 3G-Bau Group Limited | Private company limited by shares | Live |
| 3G.COM LIMITED | Private company limited by shares | Dissolved |
| 3GCOM ASIA LIMITED | Private company limited by shares | Dissolved |
| 3-GENIUSES LIMITED | Private company limited by shares | Live |
| Happy 3gether Limited | Private company limited by shares | Live |
| 3GIFT LIMITED | Private company limited by shares | Live |
| 3GOld INC LIMITED | Private company limited by shares | Live |
| 3good Industrial (HongKong) Co., Limited | Private company limited by shares | Live |
| GUANGZHOU 3GREAT TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| 3Great Technology Co., Limited | Private company limited by shares | Live |
| 3GSMGroupAsia Limited | Private company limited by shares | Dissolved |
| 3GSTB TECHNOLOGIES LIMITED | Private company limited by shares | Live |