| PPCS SCI-TECH LIMITED | Private company limited by shares | Live |
| Ruiming Sci&Tech (HK) Co., Limited | | Live |
| RUIXINGD SCI-TECH (HK) CO., LIMITED | Private company limited by shares | Live |
| Scitech Solutions Limited | Private company limited by shares | Live |
| EU STAR SCI-TECH (BEIJING) LIMITED | Private company limited by shares | Live |
| RED STAR SCI-TECH CO., LIMITED | Private company limited by shares | Live |
| SUNNY SCITECH CO., LIMITED | Private company limited by shares | Dissolved |
| Taihao SciTech Co., Limited | Private company limited by shares | Live |
| CHINA SCI-TECH TRADING LIMITED | Private company limited by shares | Dissolved |
| JOY SCI-TECH VENTURE LIMITED | Private company limited by shares | Live |
| VOJO Digital Sci-tech Co., Limited | Private company limited by shares | Live |
| Yintong Sci-tech Investment Company Limited | Private company limited by shares | Live |
| Zenith Vascular SciTech Limited | Private company limited by shares | Live |
| Essen Advanced Material Sci.&Tech.Co., Limited | | Live |
| Poly Dragon Sci.&Tech.Co., Limited | Private company limited by shares | Live |
| SCI-TECHNOLOGIES, LIMITED | Private company limited by shares | Dissolved |
| SCI-TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HK SHENGFENG ELECTRON SCI-TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| LAIXI YAFANGXIANG SCI-TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SINO-HONG KONG SCI-TECHNOLOGY (HK) ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO-HONG KONG SCI-TECHNOLOGY (HK) ENTERPRISE LIMITED | Private company limited by shares | Live |
| DELTA SCITEK CO., LIMITED | Private company limited by shares | Live |
| SCITOO(HK) TRADE Limited | Private company limited by shares | Live |
| SCITOP LIMITED | Private company limited by shares | Live |
| SCITOP SYSTEMS LIMITED | Private company limited by shares | Live |
| SCITOR CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SCITRON LIMITED | Private company limited by shares | Dissolved |
| SCITUM INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Scitya Limited | Private company limited by shares | Live |
| SCIVAS LIMITED | Private company limited by shares | Live |
| Shanghai Sciway Scientific Limited | Private company limited by shares | Live |
| Sciyatica International (HK) Limited | Private company limited by shares | Live |
| SCJD LIMITED | Private company limited by shares | Live |
| SHENZHEN SCJPCB TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SCJREP IV HK Limited | Private company limited by shares | Live |
| SCKL Company Limited | Private company limited by shares | Live |
| USA SCKQXMUV SHOES & CLOTHES LIMITED | | Live |
| SCKR Associates (Hong Kong) Limited | Private company limited by shares | Live |
| S.CKW Company Limited | Private company limited by shares | Live |
| S.C.L. FUNG & COMPANY LIMITED | Private company limited by shares | Live |
| SCL1 LIMITED | Private company limited by shares | Live |
| SCLANGTUO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| S-CLASS LIMITED | Private company limited by shares | Dissolved |
| SCLD Limited | | Live |
| SCLET Limited | Private company limited by shares | Live |
| SCLM LIMITED | Private company limited by shares | Live |
| S-Cloud Hong Kong Limited | Private company limited by shares | Live |
| SCLOVEUALL LIMITED | Private company limited by shares | Live |
| SCLT LIMITED | | Live |
| BEYOND SCL-TECH GROUP CO., LIMITED | Private company limited by shares | Live |
| S-CLUB LIMITED | Private company limited by shares | Live |
| S.C.M. (HK) Oil Service Limited | Private company limited by shares | Live |
| HK S.C.M INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| One Dream International S.C.M (Hong Kong) LIMITED | | Live |
| SCMAA LIMITED | | Live |
| SCMC LIMITED | Private company limited by shares | Live |
| SCMC & CO Limited | | Live |
| SCME COMPANY LIMITED | Private company limited by shares | Dissolved |
| SCMINER CO., LIMITED | | Live |
| SCML Trading Company Limited | Private company limited by shares | Live |
| SCM&LB LIMITED | | Live |
| SCMP CHARITIES LIMITED | Company limited by guarantee | Live |
| SCMP MAXIM LIMITED | Private company limited by shares | Live |
| SCMP.COM LIMITED | Private company limited by shares | Live Commenced dormancy on 01-Jan-2006 |
| SCMPTICKETS DOT COM LIMITED | Private company limited by shares | Live |
| SCMS Limited | Private company limited by shares | Dissolved |
| SCMSOS Limited | Private company limited by shares | Live |
| SCMW Limited | | Live |
| S.CN LIMITED | Private company limited by shares | Live |
| SCNIDER LIMITED | Private company limited by shares | Dissolved |
| S.C.O FASHION CO., LIMITED | Private company limited by shares | Live |
| SCOBIE LIMITED | Private company limited by shares | Dissolved |
| SCOCS COMPANY LIMITED | Private company limited by shares | Live |
| Hong Kong Scoda Trading Limited | Private company limited by shares | Live |
| Scodar Oil&Gas Equipment Co., Limited | Private company limited by shares | Live |
| Scodico Limited | Private company limited by shares | Live |
| Scodix APAC Limited | Private company limited by shares | Live |
| Scof Company Limited | Private company limited by shares | Live |
| SCOFAM PACIFIC LIMITED | Private company limited by shares | Dissolved |
| HK SCOG GROUP LIMITED | | Live |
| SCOHU GROUPS OF COMPANIES LIMITED | | Live |
| SCOHU GLOBAL IMPORT & EXPORT TRADING LIMITED | Private company limited by shares | Live |
| LA SCOLA LIMITED | Private company limited by shares | Dissolved |
| SCOLA TRADING CO., LIMITED | Private company limited by shares | Live |
| Scolatao Limited | Private company limited by shares | Live |
| ScolioCare Limited | Private company limited by shares | Live |
| SCOLOPAX LIMITED | Private company limited by shares | Dissolved |
| Scoltans Limited | Private company limited by shares | Live |
| SCOLVIAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| S.COM HK LIMITED | | Live |
| S.COM AIRSOFT LIMITED | | Live |
| S-COM SOLUTIONS (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| Scoma Limited | Private company limited by shares | Live |
| Scoman Interactive Limited | Private company limited by shares | Live |
| SCOMTECH GROUP LIMITED | Private company limited by shares | Dissolved |
| SCOMV TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| SCON CO., LIMITED | Private company limited by shares | Live |
| SCON TRADE (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SCONCE LIMITED | Private company limited by shares | Dissolved |
| Sconcorde Limited | Private company limited by shares | Live |