| STUDIO 22-50 LIMITED | Private company limited by shares | Live |
| 2Bliss Studio Limited | Private company limited by shares | Live |
| 2KATZ STUDIO LIMITED | Private company limited by shares | Live |
| 2plus1 Studio Limited | Private company limited by shares | Live |
| STUDIO 3507 LIMITED | Private company limited by shares | Live |
| 3BOYS2GIRLS STUDIO LIMITED | Private company limited by shares | Live |
| 3plus1 Studio Limited | Private company limited by shares | Live |
| 3ssentials Design Studio Limited | Private company limited by shares | Live |
| STUDIO 6G43 LIMITED | | Live |
| Studio 8090 Company Limited | Private company limited by shares | Live |
| 8Bit Studio Limited | Private company limited by shares | Live |
| STUDIO 8FIFTYTWO LIMITED | Private company limited by shares | Live |
| 8ight Pro Studio Limited | Private company limited by shares | Live |
| Acacia Studio Limited | Private company limited by shares | Live |
| ACEAE DESIGN STUDIO LIMITED | Private company limited by shares | Live |
| Acme Studio Limited | Private company limited by shares | Live |
| A.C.T. STUDIO LIMITED | Private company limited by shares | Dissolved |
| ADAMEC studio Limited | Company limited by guarantee | Live |
| Addict Studio Limited | | Live |
| AETHER STUDIO LIMITED | Private company limited by shares | Dissolved |
| AFTER FIVE STUDIO LIMITED | Private company limited by shares | Live |
| AHHA STUDIO LIMITED | Private company limited by shares | Live |
| Albon Studio Limited | | Live |
| AlephWill Studio Limited | Private company limited by shares | Live |
| Algro Studio Limited | | Live |
| Alignment Studio Limited | | Live |
| Alive Studio Limited | Private company limited by shares | Live |
| STUDIO PA ALLA LIMITED | Private company limited by shares | Dissolved |
| STUDIO ALLY LIMITED | Private company limited by shares | Dissolved |
| ALOHA STUDIO LIMITED | Private company limited by shares | Dissolved |
| ALTEGO STUDIO LIMITED | Private company limited by shares | Dissolved |
| ALTER WAY STUDIO LIMITED | Private company limited by shares | Live |
| AMANDA HO STUDIO LIMITED | Private company limited by shares | Live |
| BEYOND AMAZING UNIQUE CUSTOM STUDIO LIMITED | Private company limited by shares | Live |
| AMPERSAND STUDIO CO., LIMITED | Private company limited by shares | Live |
| Amusing Studio Limited | Private company limited by shares | Live |
| ANAK STUDIO LIMITED | Private company limited by shares | Live |
| Ancient Flow Studio Limited | Private company limited by shares | Live |
| Angelababy Studio Limited | Private company limited by shares | Live |
| ANGEL'S STUDIO LIMITED | | Live |
| Odysseyworks Animation Studio Limited | Private company limited by shares | Live |
| Anjo Studio Company Limited | Private company limited by shares | Live |
| Anlighten Design Studio Limited | Private company limited by shares | Live |
| ANSER STUDIO LIMITED | Private company limited by shares | Live |
| Antec Design Studio (HK) Limited | Private company limited by shares | Dissolved |
| A.pis Studio Limited | | Live |
| Smart Apps Studio Limited | Private company limited by shares | Live |
| APPVENTURE STUDIO LIMITED | Private company limited by shares | Dissolved |
| AQUA X STUDIO COMPANY LIMITED | Private company limited by shares | Live |
| AQUA STUDIO TEAM COMPANY LIMITED | Private company limited by shares | Live |
| BG ARCH. STUDIO LIMITED | Private company limited by shares | Dissolved |
| ARCH STUDIO LIMITED | Private company limited by shares | Live |
| ARCHIREN STUDIO LIMITED | Private company limited by shares | Live |
| O STUDIO ARCHITECTS LIMITED | Private company limited by shares | Live Ceased dormancy on 23-Apr-2008 |
| studio O architects Limited | Private company limited by shares | Live |
| Napp Studio & Architects Limited | Private company limited by shares | Live |
| YM Architectural Studio Limited | Private company limited by shares | Live Commenced dormancy on 21-Apr-2016 |
| Z&T STUDIO LANDSCAPE ARCHITECTURE LIMITED | Private company limited by shares | Live |
| STUDIO FOR PROGRESSIVE ARCHITECTURE LIMITED | Private company limited by shares | Dissolved |
| STUDIO ARCHIVIO LIMITED | Private company limited by shares | Live |
| ARCHTRAVELER STUDIO LIMITED | Private company limited by shares | Live |
| ArcStone Studio Limited | | Live |
| Area 37 Studio Limited | Private company limited by shares | Live |
| argo studio Limited | | Live |
| Arista Studio Limited | Private company limited by shares | Live |
| Artagnan Design Studio Limited | Private company limited by shares | Live |
| ARTFIELD STUDIO AND ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| ARTISAN STUDIO LIMITED | | Live |
| Artist Studio Limited | | Live |
| Artistic Studio Limited | | Live |
| Central Arts Studio Company Limited | Private company limited by shares | Live |
| Expressive Arts Studio Limited | Private company limited by shares | Live |
| Fine Arts Studio Limited | Private company limited by shares | Live |
| GRAND MUSIC ARTS STUDIO COMPANY LIMITED | Private company limited by shares | Live |
| Artscape Studio Limited | | Live |
| Artstellar Studio Limited | Private company limited by shares | Live |
| GE Artwork Studio Limited | Private company limited by shares | Live |
| ARVenture Studio Limited | Private company limited by shares | Live |
| ASAP Studio Limited | Private company limited by shares | Live |
| ASHIQ STUDIO LIMITED | Private company limited by shares | Live |
| STUDIO 63 ASIA LIMITED | Private company limited by shares | Dissolved |
| Studio DMP Asia Limited | Private company limited by shares | Live |
| E Studio Asia Limited | Private company limited by shares | Dissolved |
| Studio 8 Asia Limited | Private company limited by shares | Live |
| AC3 STUDIO ASIA LIMITED | Private company limited by shares | Live |
| STUDIO E & ASSOCIATE LIMITED | Private company limited by shares | Dissolved |
| STUDIO E & ASSOCIATE LIMITED | Private company limited by shares | Dissolved |
| At3X Studio Limited | | Live |
| Attain Studio Limited | Private company limited by shares | Dissolved |
| AUGUST STUDIO LIMITED | Private company limited by shares | Live |
| AUVENT STUDIO LIMITED | Private company limited by shares | Live |
| Avena Studio Co. Limited | Private company limited by shares | Live |
| Axis Studio Limited | Private company limited by shares | Live |
| AYHY STUDIO LIMITED | Private company limited by shares | Live |
| Ayura Studio Company Limited | | Live |
| Baan Wedding Studio Limited | Private company limited by shares | Live |
| MY BABYFACE STUDIO COMPANY LIMITED | Private company limited by shares | Live |
| Alice Baking Studio Limited | | Live |
| Etoile Ballet Studio Limited | Private company limited by shares | Live |
| BAREFOOT STUDIO LIMITED | Private company limited by shares | Live |