| SUPERB STUDIO LIMITED | Private company limited by shares | Live |
| Superimpose Architecture Design Studio Limited | Private company limited by shares | Live |
| SUPERPROJECT ARCHITECTURE STUDIO LIMITED | Private company limited by shares | Live |
| Superstar Art Studio Limited | Private company limited by shares | Dissolved |
| SURI STUDIO LIMITED | Private company limited by shares | Live |
| SWAP Creative Studio Limited | Private company limited by shares | Live |
| Switchboard Studio Limited | Private company limited by shares | Live |
| Star Symphony Studio Limited | | Live |
| SYNC STUDIO HK LIMITED | | Live |
| DAVID SZABO STUDIO LIMITED | Private company limited by shares | Live |
| Szemei Studio Limited | Private company limited by shares | Live |
| SZENE STUDIO LIMITED | Private company limited by shares | Live |
| take one studio Limited | Private company limited by shares | Live |
| TALKTAG STUDIO LIMITED | Private company limited by shares | Live |
| Monster and the Tank Studio & Co., Limited | Private company limited by shares | Live |
| Blu’z Tape Studio Limited | | Live |
| Tapestry Studio Limited -The- | Private company limited by shares | Live |
| TARMKU STUDIO LIMITED | | Live |
| TATABOX STUDIO LIMITED | Private company limited by shares | Live |
| Tatsumaki Studio Limited | Private company limited by shares | Live |
| STUDIO TAURUS LIMITED | Private company limited by shares | Dissolved |
| Taurus Studio Limited | Private company limited by shares | Live |
| TAURUS STUDIO HK LIMITED | | Live |
| The Third Teacher Studio Limited | | Live |
| Teahupoo Studio Limited | Private company limited by shares | Live |
| TEAM Studio FSS LIMITED | Private company limited by shares | Live |
| TEAMWORK STUDIO LIMITED | Private company limited by shares | Live |
| Teaspoon Studio Company Limited | | Live |
| TECH STUDIO LIMITED | Private company limited by shares | Live |
| To Moon Tech Studio Limited | Private company limited by shares | Live |
| 0422 STUDIO Technology Co., Limited | Private company limited by shares | Live |
| Dream Studio Technology Limited | | Live |
| TELLA STUDIO LIMITED | Private company limited by shares | Live |
| Teresa Art Studio Company Limited | Private company limited by shares | Live |
| TERRA STUDIO LIMITED | Private company limited by shares | Live |
| TETRAGAMES STUDIO LIMITED | Private company limited by shares | Dissolved |
| Innovation Textiles Studio Limited | Private company limited by shares | Live |
| TG3D STUDIO INC. LIMITED | Private company limited by shares | Live |
| THAT STUDIO LIMITED | | Live |
| THEA STUDIO LIMITED | Private company limited by shares | Live |
| HORIZON THEATRE STUDIO LIMITED | Private company limited by shares | Dissolved |
| ONE THINK STUDIO LIMITED | | Live |
| Thinkthing Studio Limited | Private company limited by shares | Live |
| THIRTEEN STUDIO LIMITED | Private company limited by shares | Dissolved |
| Thistle Studio Limited | Private company limited by shares | Live |
| THOUSAND SUNNY STUDIO LIMITED | Private company limited by shares | Live |
| THREE DOGS STUDIO LIMITED | Private company limited by shares | Live |
| Three Legged Cat Studio Limited | Private company limited by shares | Live |
| THREE-WAY STUDIO LIMITED | Private company limited by shares | Live |
| Thumb Studio Limited | Private company limited by shares | Live |
| Nine Tiles Creative Studio Limited | | Live |
| TimbeRead Studio Limited | | Live |
| Sky Studio Time Company Limited | Private company limited by shares | Live |
| OWN TIME STUDIO LIMITED | Private company limited by shares | Live |
| CSC TIME STUDIO LIMITED | | Live |
| NE TIME STUDIO LIMITED | | Live |
| STUDIO TIMETECH LIMITED | Private company limited by shares | Live |
| TIMOR STUDIO CO., LIMITED | Private company limited by shares | Live |
| TINK STUDIO LIMITED | Private company limited by shares | Live |
| Tiny Tiny Studio Limited | | Live |
| T.K. STUDIO LIMITED | Private company limited by shares | Live |
| Tong Fook Studio Limited | | Live |
| LANDON TONG STUDIO LIMITED | Private company limited by shares | Live |
| Tora Ma Studio Limited | Private company limited by shares | Live |
| Totoro Studio Limited | | Live |
| TOYS STUDIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| T'QLA Studio Limited | Private company limited by shares | Live |
| Come Train Studio Limited | Private company limited by shares | Live |
| ART TREE STUDIO LIMITED | Private company limited by shares | Live |
| TREEHOUSE STUDIO LIMITED | Private company limited by shares | Live |
| TRENDART STUDIO HK LIMITED | Private company limited by shares | Live |
| TRIBRAINESS STUDIO LIMITED | Private company limited by shares | Live |
| TRI-CONCEPT STUDIO LIMITED | Private company limited by shares | Live |
| Tri-novation Studio Limited | Private company limited by shares | Dissolved |
| TRIO SPIN STUDIO AND PRODUCTIONS LIMITED | Private company limited by shares | Live |
| STUDIO TRIPLE A LIMITED | Private company limited by shares | Dissolved |
| TRIX STUDIO LIMITED | Private company limited by shares | Live |
| Truth Fitness Studio Limited | | Live |
| TRYNAMIC STUDIO LIMITED | | Live |
| Tuxedocat Studio Limited | | Live |
| Studio Twelfth Limited | Private company limited by shares | Live |
| A B STUDIO AND TYPESETTING LIMITED | Private company limited by shares | Dissolved |
| ULTIMATE ONE STUDIO LIMITED | Private company limited by shares | Dissolved |
| Super Ultra Studio Limited | | Live |
| Umbrella Studio Limited | Private company limited by shares | Live |
| U-MISS STUDIO CO., LIMITED | Private company limited by shares | Live |
| UNDERSCORE STUDIO LIMITED | Private company limited by shares | Live |
| Unicorn Studio Limited | Private company limited by shares | Live |
| STUDIO UNIT LIMITED | Private company limited by shares | Live |
| UNIVEE STUDIO LIMITED | Private company limited by shares | Dissolved |
| MOHAMMED UNIVERSAL STUDIO LIMITED | Private company limited by shares | Dissolved |
| STUDIO UPSTAIRS COMPANY LIMITED | Private company limited by shares | Live |
| USELESS STUDIO LIMITED | Private company limited by shares | Live |
| USEOYO STUDIO LIMITED | Private company limited by shares | Live |
| As Usual Studio Limited | Private company limited by shares | Live |
| UW-Pro Studio Limited | Private company limited by shares | Live |
| VALECHE STUDIO LIMITED | Private company limited by shares | Live |
| VAMILY STUDIO LIMITED | | Live |
| VELA STUDIO LIMITED | | Live |
| Vendor Studio Limited | | Live |