| SKY SOUND LIMITED | Private company limited by shares | Live |
| BIG SOUND LIMITED | Private company limited by shares | Dissolved |
| POP SOUND LIMITED | Private company limited by shares | Dissolved |
| PRO SOUND LIMITED | Private company limited by shares | Live |
| NO. 1 SOUND LIMITED | Private company limited by shares | Dissolved |
| SET SOUND LIMITED | Private company limited by shares | Dissolved |
| SOUND WIN LIMITED | Private company limited by shares | Dissolved |
| SOUND RUN COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW SOUND LIMITED | Private company limited by shares | Dissolved |
| SOUND ART COMPANY LIMITED | Private company limited by shares | Dissolved |
| A & B SOUND LIMITED | Private company limited by shares | Dissolved |
| NEW SOUND LIMITED | Private company limited by shares | Dissolved |
| TOP SOUND LIMITED | Private company limited by shares | Dissolved |
| SOUND TOP LIMITED | Private company limited by shares | Live |
| JOY SOUND LIMITED | Private company limited by shares | Dissolved |
| SOUND WIN LIMITED | Private company limited by shares | Dissolved |
| SOUND RAY LIMITED | Private company limited by shares | Live |
| LK SOUND LIMITED | Private company limited by shares | Live |
| BIG SOUND LIMITED | Private company limited by shares | Dissolved |
| BIG SOUND LIMITED | Private company limited by shares | Live |
| JOY SOUND LIMITED | Private company limited by shares | Live |
| ART SOUND LIMITED | Private company limited by shares | Live |
| TOP SOUND LIMITED | Private company limited by shares | Live |
| SOUND JOY LIMITED | Private company limited by shares | Live |
| WIN SOUND LIMITED | Private company limited by shares | Live |
| MIX SOUND LIMITED | Private company limited by shares | Live |
| SOUND WAY LIMITED | Private company limited by shares | Live |
| SOUND MAX LIMITED | Private company limited by shares | Live |
| Sound Sea Limited | Private company limited by shares | Live |
| TG Sound Limited | Private company limited by shares | Live |
| SOUND STATION 1.2. LIMITED | Private company limited by shares | Dissolved |
| ABLE SOUND LIMITED | Private company limited by shares | Dissolved |
| ABLE SOUND LIMITED | Private company limited by shares | Live |
| ABLE SOUND INVESTMENT LIMITED | Private company limited by shares | Live |
| ABUNDANT SOUND LIMITED | Private company limited by shares | Live |
| SOUND ACTION HONG KONG LIMITED | Private company limited by shares | Dissolved |
| ADVANCE SOUND LIMITED | Private company limited by shares | Dissolved |
| ADVANCE SOUND DEVICES LIMITED | Private company limited by shares | Dissolved |
| ADVANCE SOUND INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SOUND ADVERTISING LIMITED | Private company limited by shares | Live |
| SOUND ADVICE LIMITED | Private company limited by shares | Dissolved |
| SOUND ADVICE PROPERTY LIMITED | Private company limited by shares | Live |
| SOUND ADVISERS LIMITED | Private company limited by shares | Dissolved |
| SOUND INSURANCE AGENCY LIMITED | Private company limited by shares | Dissolved |
| SOUND AGENTS LIMITED | Private company limited by shares | Live |
| ALFA SOUND LIMITED | Private company limited by shares | Dissolved |
| ALPHA SOUND LIMITED | Private company limited by shares | Live |
| ALTON SOUND CO LIMITED | Private company limited by shares | Live |
| AMERICAN MUSICAL SOUND AUDIO-TECH CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 15-Sep-2006 |
| ANGEL SOUND LIMITED | Private company limited by shares | Dissolved |
| YO SOUND ELECTRICAL APPLIANCE (HK) LIMITED | Private company limited by shares | Dissolved |
| Appropriate Sound Limited | Private company limited by shares | Live |
| China Brahman Sound Zen Music Arts Co., Limited | Private company limited by shares | Live |
| SOUND ARTS INTERIORS LIMITED | Private company limited by shares | Dissolved |
| JET SOUND (ASIA) LIMITED | Private company limited by shares | Dissolved |
| ASIA SOUND LIMITED | Private company limited by shares | Live |
| EC SOUND ASIA LIMITED | Private company limited by shares | Live |
| SOUND CAPITAL ASIA LIMITED | Private company limited by shares | Dissolved |
| DRAGON SOUND ASIA LIMITED | Private company limited by shares | Dissolved |
| GLORY SOUND (ASIA) LIMITED | Private company limited by shares | Live |
| SIGHT AND SOUND ASIA LIMITED | Private company limited by shares | Dissolved |
| SOUND TRADE ASIA LIMITED | Private company limited by shares | Dissolved |
| SOUND YEAR (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SOUND YIELD ASIA LIMITED | Private company limited by shares | Dissolved |
| TOP SOUND ASSOCIATE LIMITED | Private company limited by shares | Dissolved |
| SOUND AUDIO LIMITED | Private company limited by shares | Dissolved |
| Angel Sound Audio Limited | Private company limited by shares | Live |
| Audio Design Sound Limited | | Live |
| SUPERB SOUND AUDIO PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| AUDIO SOUND REPRODUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| Audiogenic Sound Lab Limited | Private company limited by shares | Live |
| MATSUYAMA NIKI AUTO ACCESSORIES & SOUND EQUIPMENT INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Italian Sinfoni Automobile Sound Co., Limited | Private company limited by shares | Live |
| NIL AWARE SOUND LIMITED | Private company limited by shares | Live |
| Sound Balance Limited | Private company limited by shares | Live |
| BAMBOO SOUND CO., LIMITED | Private company limited by shares | Live |
| SOUND BASE LIMITED | Private company limited by shares | Dissolved |
| Sound base exam Co., Limited | Private company limited by shares | Live |
| SOUND BASIS LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI SOUND BEARING TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| BEAUTY SOUND LIMITED | Private company limited by shares | Live |
| UK ROYAL SOUND BEER LIMITED | Private company limited by shares | Live |
| BENEFIT SOUND LIMITED | Private company limited by shares | Dissolved |
| BEST SOUND LIMITED | Private company limited by shares | Dissolved |
| SOUND BEST LIMITED | Private company limited by shares | Live |
| BEST SOUND LIMITED | Private company limited by shares | Live |
| SOUND BEST ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BEYOND SOUND LIMITED | Private company limited by shares | Dissolved |
| SOUND BILLION LIMITED | | Live |
| SOUND BILLION ENTERPRISES LIMITED | Private company limited by shares | Live |
| SOUND BILLION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SOUND BILLION INVESTMENT LIMITED | | Live |
| BIRD SOUND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BLESSED SOUND LIMITED | Private company limited by shares | Dissolved |
| Bling Sound Co., Limited | Private company limited by shares | Live |
| BLISS SOUND DIRECT LIMITED | Private company limited by shares | Dissolved |
| BOTH SOUND LIMITED | Private company limited by shares | Dissolved |
| BOTH SOUND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| DEN SOUND BOUTIQUE LIMITED -THE- | Private company limited by shares | Live |
| SOUND BRIDGE LIMITED | Private company limited by shares | Dissolved |