| RUBY BEAUTY STUDIO LIMITED | Private company limited by shares | Live |
| RYAN ART STUDIO COMPANY LIMITED | Private company limited by shares | Live |
| Rygus Studio Limited | Private company limited by shares | Live |
| Sage Studio Limited | Private company limited by shares | Live |
| Saiyu Creative Studio Limited | | Live |
| SALLY NGAI HK JEWELLERY STUDIO LIMITED | Private company limited by shares | Live |
| SALVARANI KITCHEN STUDIO LIMITED | Private company limited by shares | Dissolved |
| Samar Studio Limited | | Live |
| SANGEN Studio Limited | Private company limited by shares | Live |
| STUDIO SANS LIMITED | Private company limited by shares | Live |
| S.A.P.S Studio Company Limited | Private company limited by shares | Live |
| SATURDAY STUDIO LIMITED | Private company limited by shares | Live |
| SAVVISH Design Studio Limited | Private company limited by shares | Live |
| SAXON'S STUDIO CO., LIMITED | Private company limited by shares | Live |
| Sbeat Studio Limited | Private company limited by shares | Live |
| SCHOLAR'S INK STUDIO LIMITED | Private company limited by shares | Live |
| Talent Education School Studio Group Limited | Private company limited by shares | Dissolved |
| Scioma Studio Limited | Private company limited by shares | Live |
| Scorpiones Studio Limited | Private company limited by shares | Live |
| SEAMLESS STUDIO LIMITED | Private company limited by shares | Live |
| SEAN K STUDIO LIMITED | Private company limited by shares | Live |
| Sean & Naga Studio Limited | | Live |
| ASK & SEEK STUDIO LIMITED | Private company limited by shares | Live |
| SEMPRE DESIGN STUDIO LIMITED | Private company limited by shares | Live |
| SENSE ART STUDIO LIMITED | Private company limited by shares | Live |
| Milestone Architectural Service Studio Limited | Private company limited by shares | Live |
| Seve Studio Company Limited | Private company limited by shares | Live |
| SGAME STUDIO LIMITED | | Live |
| Shadle Studio Limited | Private company limited by shares | Live |
| SHAMBHALA STUDIO LIMITED | Private company limited by shares | Live |
| GECKO STUDIO (SHANGHAI) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHANNYUI STUDIO LIMITED | | Live |
| STUDIO SHAW LIMITED | Private company limited by shares | Dissolved |
| Shimmer Studio Limited | | Live |
| SHINE-ART STUDIO LIMITED | Private company limited by shares | Dissolved |
| Shinny HK Studio Limited | | Live |
| INNER SHINY STUDIO LIMITED | Private company limited by shares | Live |
| Shuihei Art Studio Co. Limited | Private company limited by shares | Live |
| S.I.D. Studio Limited | Private company limited by shares | Live |
| SIGN STUDIO LIMITED | Private company limited by shares | Live |
| SIGN STUDIO Limited | | Live |
| Signifie Studio Limited | Private company limited by shares | Live |
| Sil.Ent Studio Limited | | Live |
| HIROKO KIDO SILK STUDIO LIMITED | Private company limited by shares | Dissolved |
| SILO STUDIO LIMITED | Private company limited by shares | Live |
| I9 Silver Studio Limited | | Live |
| L SILVER STUDIO LIMITED | | Live |
| Silver Moon Studio Limited | | Live |
| SILVERCRAFT STUDIO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SIMPLY RED STUDIO LIMITED | Private company limited by shares | Dissolved |
| SincoDesign Studio Limited | Private company limited by shares | Live |
| Singular Studio Limited | Private company limited by shares | Live |
| SITEC STUDIO LIMITED | Private company limited by shares | Live |
| Sixcorners Studio Limited | Private company limited by shares | Live |
| SKYTOOLS DIGITAL STUDIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SKYVIEW STUDIO LIMITED | | Live |
| S-Lab Studio Limited | | Live |
| Slash Studio Limited | Private company limited by shares | Live |
| Sled Studio Limited | | Live |
| SMILY STUDIO LIMITED | Private company limited by shares | Live |
| SOAP STUDIO COMPANY LIMITED | Private company limited by shares | Live |
| Socials Studio Limited | | Live |
| Soft Power Studio Limited | | Live |
| Softworks Studio Limited | Private company limited by shares | Live |
| Studio du Soleil Limited | Private company limited by shares | Dissolved |
| Solight Studio Limited | Private company limited by shares | Live |
| Solutions Studio Limited | Private company limited by shares | Live |
| Do Something Studio Limited | Private company limited by shares | Live |
| SOMETHING MAKER STUDIO LIMITED | Private company limited by shares | Live |
| Somnium Studio Limited | Private company limited by shares | Live |
| STUDIO COMING SOON LIMITED | Private company limited by shares | Live |
| Sooner Studio Limited | | Live |
| SOPHIA WEDDING STUDIO LIMITED | Private company limited by shares | Live |
| Soul Studio Limited | Private company limited by shares | Live |
| SOUL YOGIS STUDIO LIMITED | Private company limited by shares | Live |
| Soulgood Studio Limited | | Live |
| NEW SPACE STUDIO LIMITED | Private company limited by shares | Dissolved |
| Studio Art Space Limited | Private company limited by shares | Live |
| K SPACE STUDIO LIMITED | Private company limited by shares | Live |
| Studio Space Limited | Private company limited by shares | Live |
| NO SPACE STUDIO LIMITED | Private company limited by shares | Live |
| Studio Spade Limited | Private company limited by shares | Live |
| SPARKLUEX STUDIO LIMITED | | Live |
| Spazio Studio Limited | Private company limited by shares | Live |
| SPECTRUM STUDIO LIMITED | Private company limited by shares | Dissolved |
| Spirit Spatial Studio Limited | Private company limited by shares | Live |
| Spot Studio Limited | Private company limited by shares | Live |
| SPOTLIGHT STUDIO Limited | Private company limited by shares | Live |
| Square Design Studio Limited | | Live |
| Magic Square Studio Limited | Private company limited by shares | Live |
| C SQUARED STUDIO LIMITED | Private company limited by shares | Dissolved |
| 2 Squared Studio Limited | Private company limited by shares | Dissolved |
| SQUARED STRANGER STUDIO LIMITED | | Live |
| Stack Studio Limited | Private company limited by shares | Live |
| ON STAGE STUDIO LIMITED | Private company limited by shares | Live |
| Stage One Studio Company Limited | Private company limited by shares | Live |
| STAR STUDIO LIMITED | Private company limited by shares | Live |
| All Star Studio Limited | | Live |
| STAR ART STUDIO LIMITED | | Live |
| BLOOMING STAR STUDIO LIMITED | Private company limited by shares | Dissolved |