| SMART WAVE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SMART WISDOM INVESTMENTS LIMITED | Private company limited by shares | Live |
| SMARTHOME INVESTMENTS LIMITED | Private company limited by shares | Live |
| SMARTSPEED INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SMILAX INVESTMENTS LIMITED | Private company limited by shares | Live |
| SMOOTHRICH INVESTMENTS LIMITED | Private company limited by shares | Live |
| SMOOTHWAY INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Snapdragon Investments Limited | Private company limited by shares | Live |
| SNIPER INVESTMENTS LIMITED | Private company limited by shares | Live |
| SNOWBLOSSOM INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOARICH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOARWELL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOFIT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOLAR INVESTMENTS LIMITED | Private company limited by shares | Live |
| SOLAR JAT INVESTMENTS LIMITED | Private company limited by shares | Live |
| Sky Solar HK Investments Limited | Private company limited by shares | Live |
| SOLAR CAPITAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOLAR CHOICE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Far Eastern Solar Investments Limited | Private company limited by shares | Live |
| Solara Investments Limited | Private company limited by shares | Live |
| SOLARMAX INVESTMENTS LIMITED | Private company limited by shares | Live |
| SOLARWIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOLBROOK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOLIDLAND INVESTMENTS LIMITED | Private company limited by shares | Live |
| HEALTHCARE SOLUTION INVESTMENTS LIMITED | Private company limited by shares | Live |
| SOMETIDES INVESTMENTS LIMITED | Private company limited by shares | Live |
| Sommerset Investments Limited | Private company limited by shares | Live |
| SONATA INVESTMENTS LIMITED | Private company limited by shares | Live |
| HI SONG INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Songshan Investments Limited | | Live |
| SONOROUS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| LAM SOON PROPERTIES INVESTMENTS LIMITED | Private company limited by shares | Live |
| LAM SOON SILOS INVESTMENTS LIMITED | Private company limited by shares | Live |
| SOONFIELD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUNDACE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUNDEASE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SOUNDLUCK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUNDLY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUNDUN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOURCEBEST INVESTMENTS LIMITED | Private company limited by shares | Live |
| SOUTEC INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| PAN SOUTH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ON SOUTH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SKY SOUTH INVESTMENTS LIMITED | Private company limited by shares | Live |
| Bay South Investments Limited | Private company limited by shares | Live |
| SOUTH BELT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| EURO SOUTH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUTH TIME INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUTH TRADE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUTHGEAR INVESTMENTS LIMITED | Private company limited by shares | Live |
| SOUTHKEN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUTHKING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUTHNAME INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUTHOST INVESTMENTS LIMITED | Private company limited by shares | Live |
| SOUTHPAIR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUTHSINO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUTHTON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUTHWEST INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUTHWEST INVESTMENTS CO. LIMITED | Private company limited by shares | Live |
| SOUTHWORLD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOVIEW INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPARKHIGH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPARKLING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPARKTREE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPARSON INVESTMENTS LIMITED | Private company limited by shares | Live |
| WIN SPEAR INVESTMENTS LIMITED | Private company limited by shares | Live |
| SPECIAL IN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| LEE SPECIAL INVESTMENTS CO. LIMITED | Private company limited by shares | Dissolved |
| SPECIAL JOY INVESTMENTS LIMITED | Private company limited by shares | Live |
| SPECIAL WAY INVESTMENTS LIMITED | Private company limited by shares | Live |
| SPECIAL LUCK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPECIAL TEAM INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPECTACULA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPEEDING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPEEDVAST INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPEEDWAY INVESTMENTS LIMITED | Private company limited by shares | Live Commenced dormancy on 23-Nov-2015 |
| SPELLACY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPEY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPICE INVESTMENTS LIMITED | Private company limited by shares | Live |
| Creative Spirit Investments Limited | Private company limited by shares | Live |
| SPLENDID CHOICE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPLENDID FINANCE & INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPLENDID TIME INVESTMENTS LIMITED | Private company limited by shares | Live |
| Spotx Capital Investments Limited | | Live |
| SPREADSON INVESTMENTS LIMITED | Private company limited by shares | Live |
| Springflower Investments Limited | | Live |
| SPRINGFORD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPRINGHOPE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SSPP Investments Limited | | Live |
| SSVK Investments Limited | Private company limited by shares | Live |
| ALL STABLE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| STABLEGAIN INVESTMENTS LIMITED | Private company limited by shares | Live |
| STACI INVESTMENTS LIMITED | Private company limited by shares | Live |
| STACKHOUSE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| STAFFORD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GRAND STAND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| STANDARD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| STANDARD INVESTMENTS LIMITED | Private company limited by shares | Live |
| STANDARD INVESTMENTS LIMITED | | Live |
| STANDUN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |