| SILK ROAD MEDIA & ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| SILVER MEDIA LIMITED | Private company limited by shares | Live |
| SILVER MEDIA CATERING COMPANY LIMITED | Private company limited by shares | Live |
| SILVER ELEPHANT MEDIA COMPANY LIMITED | Private company limited by shares | Live |
| Silvi Media & Consulting Limited | Private company limited by shares | Live |
| SIMPLY FINANCE MEDIA LIMITED | Private company limited by shares | Dissolved |
| Simulcast Media Limited | Private company limited by shares | Live |
| SINA MEDIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCERE MEDIA TECH LIMITED | | Live |
| SINDA MEDIA LIMITED | | Live |
| SINGMAN CREATIVE MEDIA LIMITED | Private company limited by shares | Live |
| Singtu Creative Media Company Limited | Private company limited by shares | Live |
| MEDIA SINGULAR LIMITED | | Live |
| Singularity Media Limited | | Live |
| SINNOVISION MEDIA & CULTURE CO., LIMITED | Private company limited by shares | Live |
| SINOFOCUS MEDIA INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOFRONT MEDIA GROUP LIMITED | Private company limited by shares | Live |
| SINO-PHOENIX MEDIA CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINOSCREENS MEDIA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINOSPHERE MEDIA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO-WESTERN MEDIA CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINOWORLD MEDIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sintex Media Limited | Private company limited by shares | Dissolved |
| SITEX MEDIA LIMITED | Private company limited by shares | Dissolved |
| SIX-SENSE TECHNOLOGY & MEDIA PTE. LIMITED | | Live |
| Skycave Media Limited | Private company limited by shares | Live |
| Skyd Media Corporation Limited | Private company limited by shares | Live |
| SKYE MEDIA LIMITED | Private company limited by shares | Live |
| SKYFLYING MEDIA (CHINA) HOLDING LIMITED | Private company limited by shares | Live |
| SKYLAB MEDIA LIMITED | Private company limited by shares | Live |
| Skyline Media Limited | | Live |
| Skyline Media (HK) Limited | Private company limited by shares | Live |
| SkyLink Media Limited | | Live |
| SKYVISION MEDIA LIMITED | Private company limited by shares | Dissolved |
| Skyward Media Limited | Private company limited by shares | Dissolved |
| Skywell Media Limited | Private company limited by shares | Live |
| Skywork Media Limited | Private company limited by shares | Live |
| SLACKER DIARY New Media Group Co., Limited | | Live |
| Sloane Media International Limited | Private company limited by shares | Live |
| Smack Media Limited | | Live |
| SMARCLE MEDIA COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| MEDIA SMART LIMITED | Private company limited by shares | Dissolved |
| SMART MEDIA LIMITED | Private company limited by shares | Dissolved |
| SMART MEDIA LIMITED | Private company limited by shares | Dissolved |
| AI Smart Media Limited | Private company limited by shares | Live |
| MEDIA SMART INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Smart Media International Limited | | Live |
| SMART SOCIAL MEDIA LIMITED | Private company limited by shares | Live |
| SMART TRADE MEDIA LIMITED | Private company limited by shares | Live |
| SMART-AD MEDIA LIMITED | Private company limited by shares | Dissolved |
| SMARTHEAD MEDIA COMPANY LIMITED | Private company limited by shares | Live |
| Smeets Media Limited | Private company limited by shares | Live |
| Smile (Hongkong) Interactive Media Co., Limited | Private company limited by shares | Live |
| SMILEY VISION MEDIA (HK) LIMITED | | Live |
| Smooth Media Limited | | Live |
| Snapper Media Limited | Private company limited by shares | Live |
| Snow Media Limited | Private company limited by shares | Live |
| Snowy Owl Media Limited | Private company limited by shares | Live |
| SOAR MEDIA COMPANY LIMITED | Private company limited by shares | Live |
| Sobi Media Limited | | Live |
| SOCHIPZ MEDIA LIMITED | Private company limited by shares | Live |
| POP SOCIAL MEDIA LIMITED | Private company limited by shares | Live |
| Social Media Limited | Private company limited by shares | Live |
| ARABFACE SOCIAL MEDIA LIMITED | Private company limited by shares | Live |
| Joytune Social Media Co., Limited | | Live |
| CREATOR SOCIAL MEDIA LIMITED | Private company limited by shares | Live |
| SOCIALROCKS! MEDIA LIMITED | Private company limited by shares | Live |
| SOFREE MEDIA LIMITED | Company limited by guarantee | Dissolved |
| Media Soft Limited | Private company limited by shares | Live |
| MEDIA SOFT ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| SOFT-TREK MEDIA (HK) LIMITED | Private company limited by shares | Dissolved |
| 1ST MEDIA & SOFTWARE LIMITED | Private company limited by shares | Live |
| Solar Media Limited | Private company limited by shares | Live |
| Solar Digital Media Limited | Private company limited by shares | Live |
| SOLIDUS MEDIA LIMITED | Private company limited by shares | Dissolved |
| Solum Media Limited | Private company limited by shares | Live |
| MEDIA SOLUTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| ONE MEDIA SOLUTION LIMITED | Private company limited by shares | Live |
| NEW MEDIA SOLUTION LIMITED | Private company limited by shares | Live |
| Sky Media Solution Limited | Private company limited by shares | Live |
| Media Air Solution Company Limited | Private company limited by shares | Live |
| AMark Media Solution Limited | Private company limited by shares | Live |
| T2 MEDIA SOLUTION (HK) LIMITED | Private company limited by shares | Live |
| WE WOW SOCIAL MEDIA SOLUTION LIMITED | Private company limited by shares | Live |
| Y5 Hot Media Solutions Limited | Private company limited by shares | Live |
| Media Solutions Limited | Private company limited by shares | Live |
| A. Media Solutions Limited | Private company limited by shares | Live |
| New Age Media Solutions Limited | Private company limited by shares | Live |
| U Media Solutions Limited | Private company limited by shares | Live |
| KOL Media Solutions Limited | Private company limited by shares | Live |
| Sky Media Solutions Limited | Private company limited by shares | Live |
| AI Solutions Media Limited | Private company limited by shares | Live |
| DAA Media Solutions Limited | | Live |
| ADVANCED MEDIA SOLUTIONS LIMITED | Private company limited by shares | Live |
| ASIA MEDIA SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| CREATIVE MEDIA SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| PPA MEDIA MARKETING SOLUTIONS (HK) LIMITED | Private company limited by shares | Live |
| INNOVATIVE MEDIA SOLUTIONS LIMITED | Private company limited by shares | Live |
| Media Solutions International Limited | | Live |
| STARK MEDIA SOLUTIONS LIMITED | Private company limited by shares | Live |