| SET WIN ASSET HOLDING (SIX) LIMITED | | Live |
| SIX21 TRADING LIMITED | Private company limited by shares | Live |
| SIX25AM LIMITED | | Live |
| Sixapps Limited | Private company limited by shares | Live |
| Hong Kong Six-a-Side Football Association Limited | Private company limited by shares | Live |
| SIXBEST LIMITED | Private company limited by shares | Dissolved |
| Angela SixBlessings Art Limited | Private company limited by shares | Live |
| SIXBLOCK LIMITED | Private company limited by shares | Dissolved |
| SIXBOSS LIMITED | Private company limited by shares | Dissolved |
| SIXCLICK INC. LIMITED | Private company limited by shares | Live |
| SIXCONN LIMITED | Private company limited by shares | Dissolved |
| SIXCONN LIMITED | Private company limited by shares | Live |
| SIXCORP LIMITED | Private company limited by shares | Live |
| SIXCUBE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SIXD (CHINA) LIMITED | Private company limited by shares | Live |
| SIX-DINMENSIONAL INFORMATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SIXEDGE DEVELOPMENT CORPORATION LIMITED | Private company limited by shares | Live |
| SIXEIGHT LIMITED | Private company limited by shares | Dissolved |
| SIXEIGHTEEN LIMITED | Private company limited by shares | Live |
| SIXELEMENTS LIMITED | Private company limited by shares | Live |
| SIXEN SIXEL LIMITED | Private company limited by shares | Live |
| SIXES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIXES LIMITED | Private company limited by shares | Dissolved |
| Sixes Company Limited | | Live |
| SIXES HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| Sixeve International Limited | Private company limited by shares | Live |
| Sixeven Sports Limited | | Live |
| SIXFIFTEEN IMPORTS-EXPORTS LIMITED | Private company limited by shares | Live |
| SIXFOLD LIMITED | Private company limited by shares | Dissolved |
| Sixgod Consultancy Limited | Private company limited by shares | Live |
| SIXGOOD ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| Sixguan Trade Limited | Private company limited by shares | Live |
| DA SIXI LIMITED | Private company limited by shares | Live |
| Sixiang Co., Limited | Private company limited by shares | Live |
| SIXIANG GROUP CO., LIMITED | Private company limited by shares | Live |
| Sixiang Medical Technology Co., Limited | Private company limited by shares | Live |
| HK SIXIANG CULTURE COMMUNICATION LIMITED | Private company limited by shares | Live |
| Sixiang Food (HongKong) Co., Limited | Private company limited by shares | Dissolved |
| Sixiang Holding Limited | Private company limited by shares | Live |
| HONGKONG SIXIANG INTERNATIONAL URBAN DESIGN LIMITED | Private company limited by shares | Dissolved |
| Sixiang Bedding (International) Co., Limited | Private company limited by shares | Live |
| SIXIANG INTERNATIONAL HK CO., LIMITED | Private company limited by shares | Live |
| SIXIANG KUANGSHI LIMITED | Private company limited by shares | Live |
| Sixiang Investment Management Limited | Private company limited by shares | Live |
| Sixiang Pharmaceuticals (HK) Limited | | Live |
| Sixiang Network Technology Limited | | Live |
| SIXIANGFEI LIMITED | Private company limited by shares | Live |
| HK SIXIANGYUAN GROUP LIMITED | Private company limited by shares | Live |
| SIXILANG INDUSTRIAL CHINA (H.K) LIMITED | Private company limited by shares | Live |
| HONGKONG SIXIN GROUP LIMITED | Private company limited by shares | Live |
| HONGKONG SIXIN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SIXIN INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| NINGBO SIXIN INT'L TRADE CO., LIMITED | Private company limited by shares | Live |
| HK SIXIN HOUSEHOLD TEXTILE LIMITED | Private company limited by shares | Dissolved |
| YiWu Sixin Trade Co., Limited | Private company limited by shares | Live |
| Sixinch Limited | Private company limited by shares | Live |
| SIXJAY CAPITAL LIMITED | Private company limited by shares | Live |
| SIXJOIN LIMITED | Private company limited by shares | Dissolved |
| SIXLAB SOLAR STAR COMPANY LIMITED | Private company limited by shares | Live |
| Sixland Orientation Company Limited | Private company limited by shares | Live |
| SIXLAX LIMITED | Private company limited by shares | Dissolved |
| Sixlines Network Technology Co., Limited | | Live |
| Sixlinks Co., Limited | Private company limited by shares | Live |
| SIXMA TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Sixmile Group HK Limited | Private company limited by shares | Live |
| SIX-O LIMITED | Private company limited by shares | Live |
| SIXOFOUR LIMITED | Private company limited by shares | Live |
| SIX-ONE LIMITED | Private company limited by shares | Dissolved |
| Sixone Production Company Limited | Private company limited by shares | Live |
| Sixpaq Limited | Private company limited by shares | Live |
| SIXPENCE COMPANY LIMITED | Private company limited by shares | Live |
| SIXPLATEWATER HK LIMITED | | Live |
| SIXRIGHTS LIMITED | Private company limited by shares | Live |
| SIXSENSE CREATIVE LIMITED | Private company limited by shares | Live |
| SixSide Limited | Private company limited by shares | Live |
| SIXSIX WIN CATERING LIMITED | | Live |
| HK SIXSIXEIGHT TRADING LIMITED | Private company limited by shares | Live |
| SIXSIXSIX LIMITED | Private company limited by shares | Live |
| SIXSIXSIX GROUP LIMITED | Private company limited by shares | Live |
| SIXSON COMPANY LIMITED | Private company limited by shares | Live |
| SIXSTRONG LIMITED | Private company limited by shares | Dissolved |
| ANNE SIXT & COMPANY LIMITED | Private company limited by shares | Live |
| SIXTECH LIMITED | Private company limited by shares | Live |
| TWO SIXTEEN COMPANY LIMITED | Private company limited by shares | Live |
| SIXTEEN LIMITED | Private company limited by shares | Dissolved |
| SIXTEEN LIMITED | Private company limited by shares | Live |
| SIXTEEN HK LIMITED | Private company limited by shares | Live |
| Art Sixteen Limited | Private company limited by shares | Live |
| BLOCK SIXTEEN LIMITED | Private company limited by shares | Live |
| Fifteen Sixteen Limited | Private company limited by shares | Live |
| Group Sixteen Limited | Private company limited by shares | Live |
| SIXTEEN MINUS COMPANY LIMITED | Private company limited by shares | Live |
| Sixteen Night Limited | | Live |
| Sixteen Oddballs Limited | | Live |
| PRINCE SIXTEEN LIMITED | Private company limited by shares | Live |
| Sixteen Technology Limited | Private company limited by shares | Live |
| One Sixteenth Cafe Limited | Private company limited by shares | Live |
| One Sixteenth Coffee Company Limited | Private company limited by shares | Live |
| SixTen Limited | Private company limited by shares | Dissolved |
| SIXTH COMPANY LIMITED | Private company limited by shares | Dissolved |