| SINOBEST TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINO-CAMEO TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINO-CANADIAN TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SINOFLY TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| SinoGael Technologies Limited | Private company limited by shares | Live |
| SINOLAND TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SINO-MATRIX TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SINOPEC TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SINOROTO TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| SINOSEMI TECHNOLOGIES HK COMPANY LIMITED | Private company limited by shares | Live |
| SINOTEX TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINOTOP TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINOWAY DIGITAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINOWELL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SINOWORLD TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Ho Sinsaang Technologies Limited | Private company limited by shares | Live |
| SINTA TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SINVETEK ELEC. TECHNOLOGIES CO., LIMITED | Private company limited by shares | Dissolved |
| SIPHONE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Sirius Technologies Limited | Private company limited by shares | Live |
| SISHIELD TECHNOLOGIES (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HK SITEK TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Sixcoo Technologies Company Limited | Private company limited by shares | Live |
| SixS Technologies Limited | Private company limited by shares | Live |
| SKing Technologies (Hong Kong) Limited | Private company limited by shares | Live |
| SKSPRUCE TECHNOLOGIES HK LIMITED | Private company limited by shares | Live |
| SKYEDGE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SKYER TECHNOLOGIES LIMITED | Private company limited by shares | Live Commenced dormancy on 18-May-2016 |
| SKYMAX TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SKYMAX TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SKY-MOBI NETWORK TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Skynet Technologies Limited | Private company limited by shares | Live |
| SkyNet Innovations Technologies Limited | | Live |
| Skynor Technologies Limited | Private company limited by shares | Live |
| SkyTech Technologies Limited | Private company limited by shares | Dissolved |
| SKYTRACK TECHNOLOGIES ASIA LIMITED | Private company limited by shares | Dissolved |
| SKYWARD TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SKYWARE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SLEEP TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| S-LIGHTING TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SMART NET TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SMART TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SMART WEB TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| ASIA SMART TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ASIA SMART TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SMART CENTRE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SMART DRAGON TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| GLOW SMART TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SMART LOGIC TECHNOLOGIES LIMITED -THE- | Private company limited by shares | Live |
| HK MACRO-VIDEO SMART TECHNOLOGIES LIMITED | | Live |
| PROTEX SMART TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| SEITZ SMART TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Smart Space Technologies Limited | | Live |
| SMART TIME TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SMART TIME TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SMART WISDOM TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SMARTCO TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SMARTCON TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SmarterKids Technologies Limited | Private company limited by shares | Live |
| SmartiSolution Technologies Limited | Private company limited by shares | Dissolved |
| SMARTLINK TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SMARTLIVING TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SmartLong Technologies Electronics Limited | | Live |
| SMARTRONIX TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SMARTSENSE TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMARTSUR TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SMARTVISION TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Smartware Technologies Limited | Private company limited by shares | Dissolved |
| Smax Technologies Hong Kong Limited | Private company limited by shares | Live |
| Smoot Managed Advanced Research Technologies HK Limited | Private company limited by shares | Live |
| SMOOTION TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SNAKEBYTE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Snow Technologies Limited | Private company limited by shares | Live |
| Sobot Technologies Limited | Private company limited by shares | Live |
| Social Technologies Limited | Private company limited by shares | Live |
| SOFTAI TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SOFTMOBILE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Software Technologies Limited | Private company limited by shares | Live |
| AP BUSINESS LOGIC SOFTWARE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SOHO TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SOLAR TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Point Solar Technologies Limited | Private company limited by shares | Dissolved |
| Sole Technologies Limited | | Live |
| ADVANCED SOLUTION TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| Becm Solution Technologies Limited | Private company limited by shares | Live |
| HK EASY SOLUTION TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Eco Solutions and Technologies Limited | Private company limited by shares | Live Commenced dormancy on 30-Nov-2015 |
| Astra Technologies Solutions Limited | Private company limited by shares | Live |
| Digital Solutions Technologies Limited | | Live |
| DUNCAN TECHNOLOGIES AND SOLUTIONS LIMITED | Private company limited by shares | Live |
| Rhino Technologies Solutions Limited | Private company limited by shares | Live |
| SOLUXIMA TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Solvit AI Technologies Limited | | Live |
| SOLZA TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Someia Technologies Limited | Private company limited by shares | Live |
| SONICBOOM TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SONJET TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Sonnet Technologies Limited | | Live |
| SONNEX TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| LAM SOON TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |