| SYNC DESIGN Company Limited | Private company limited by shares | Live |
| SYNCHRON DESIGN CO., LIMITED | | Live |
| SYNERGRAPHIC DESIGN (ASIA) LIMITED | Private company limited by shares | Live |
| SYNTHESIS DESIGN LIMITED | Private company limited by shares | Dissolved |
| SYSTEM DESIGN COMPANY LIMITED | Private company limited by shares | Dissolved |
| EASY SYSTEM DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| EMBEDDED SYSTEM DESIGN LIMITED | Private company limited by shares | Live |
| SYSTEM ONE DESIGN FURNITURE LIMITED | Private company limited by shares | Live Commenced dormancy on 03-Aug-2010 |
| NBM SYSTEMS DESIGN LIMITED | Private company limited by shares | Live Commenced dormancy on 30-Sep-2004 |
| D A S DESIGN SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| SYSTEMS DESIGN LIMITED | Private company limited by shares | Live |
| Design Systems Limited | Private company limited by shares | Live |
| CADENCE DESIGN SYSTEMS ASIA LIMITED | Private company limited by shares | Live |
| SYNTHESIS SYSTEMS DESIGN LIMITED | Private company limited by shares | Dissolved |
| TACT DESIGN CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| Tailor-Made Design Limited | Private company limited by shares | Live |
| TAIYI JINHUA DESIGN LIMITED | Private company limited by shares | Live |
| TAKAMINE DESIGN COMPANY LIMITED | Private company limited by shares | Dissolved |
| LONGCO TAKKIT DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| TALENT DESIGN LIMITED | Private company limited by shares | Dissolved |
| TALENT DESIGN AND FURNISHING LIMITED | Private company limited by shares | Dissolved |
| TALENT DESIGN (HK) LIMITED | Private company limited by shares | Dissolved |
| TAMEA DESIGN LIMITED | Private company limited by shares | Live |
| TANGERINE DESIGN LIMITED | Private company limited by shares | Live |
| TANGO DESIGN COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| TANGO DESIGN LIMITED | Private company limited by shares | Live |
| THINK TANK DESIGN CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| TAPESTRY DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| TAURUS DESIGN LIMITED | Private company limited by shares | Live |
| TINA TAYLOR FASHION DESIGN LIMITED | Private company limited by shares | Live |
| T.CAT DESIGN & MARKETING STUDIO LIMITED | Private company limited by shares | Live |
| TCTY DESIGN LIMITED | Private company limited by shares | Live |
| Teal Design HK Limited | Private company limited by shares | Live |
| TEAM DESIGN LIMITED | Private company limited by shares | Live |
| TEAM 1 DESIGN LIMITED | Private company limited by shares | Live |
| ART TEAM DESIGN LIMITED | Private company limited by shares | Live |
| D1 TEAM DESIGN LIMITED | Private company limited by shares | Live |
| TEAMWORK DESIGN STUDIO LIMITED | Private company limited by shares | Live |
| V. TECH DESIGN LIMITED | Private company limited by shares | Dissolved |
| TECH DESIGN LIMITED | Private company limited by shares | Live |
| EMC TECH DESIGN LIMITED | Private company limited by shares | Live |
| AT TECH DESIGN CENTRE LIMITED | Private company limited by shares | Dissolved |
| WIN TECH DESIGN & CONTRACTING LIMITED | Private company limited by shares | Live |
| Muse Kim Tech And Design Limited | | Live |
| TECH DESIGN SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TECHNIC - DESIGN & TRADE LIMITED | Private company limited by shares | Dissolved |
| TOP SPEED TECHNOLOGIES DESIGN LIMITED | Private company limited by shares | Live |
| ICE TECHNOLOGY & DESIGN LIMITED | Private company limited by shares | Live |
| BM Technology Design Limited | Private company limited by shares | Live |
| CREATIVE ELECTRONIC DESIGN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Ever Glory Design & Technology Limited | Private company limited by shares | Live |
| ABLE INDUSTRIAL DESIGN & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KM INNOVATION AND TECHNOLOGY DESIGN LIMITED | Private company limited by shares | Live |
| Join Design Technology (HK) Limited | Private company limited by shares | Live |
| KAM KUONG TECHNOLOGY DESIGN LIMITED | Private company limited by shares | Dissolved |
| PEAK TECHNOLOGY DESIGN LIMITED | Private company limited by shares | Live |
| TEAM POWER TECHNOLOGY DESIGN LIMITED | Private company limited by shares | Live |
| ProVision Design Technology Limited | Private company limited by shares | Live |
| RUISI TECHNOLOGY AND DESIGN CO., LIMITED | | Live |
| Shiny Design And Technology Limited | Private company limited by shares | Live |
| Starlight Technology and Design Limited | | Live |
| SumShun Technology & Design Limited | | Live |
| Sunny Design Technology Limited | Private company limited by shares | Live |
| Super Design Technology Limited | Private company limited by shares | Live |
| Technology Design Systems Limited | Private company limited by shares | Live |
| TAILY INNOVATIVE TECHNOLOGY & DESIGN LIMITED | Private company limited by shares | Live |
| Talent Techway Design & Engineering Co., Limited | Private company limited by shares | Live |
| TECTONIC DESIGN LIMITED | Private company limited by shares | Dissolved |
| TEDDY DESIGN LIMITED | Private company limited by shares | Live |
| TEJA DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| TELICAN DESIGN LIMITED | Private company limited by shares | Dissolved |
| Tellus Design Limited | Private company limited by shares | Live |
| Tema Design Limited | Private company limited by shares | Live |
| DESIGN TEMPLE LIMITED -THE- | Private company limited by shares | Dissolved |
| TENG SENG DESIGN (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Teresa Pin Design Limited | Private company limited by shares | Live |
| TERRA DESIGN LIMITED | Private company limited by shares | Live |
| TERRZA DESIGN LIMITED | Private company limited by shares | Live |
| Texmont Design Limited | Private company limited by shares | Live |
| NEW DESIGN TEXTILES LIMITED | Private company limited by shares | Live |
| DESIGN THEATRE LIMITED | Private company limited by shares | Dissolved |
| THEMAS ARCHITECTURE DESIGN LIMITED | Private company limited by shares | Live |
| THEOREM DESIGN LIMITED | Private company limited by shares | Dissolved |
| THINK DESIGN LIMITED | Private company limited by shares | Dissolved |
| DESIGN THINK LIMITED | Private company limited by shares | Live |
| Think Big Design Limited | Private company limited by shares | Live |
| Think You Design Company Limited | | Live |
| Free Think Design Limited | Private company limited by shares | Live |
| THINKZ DESIGN (HK) LIMITED | Private company limited by shares | Dissolved |
| THINTERIOR DESIGN CO. LIMITED | Private company limited by shares | Live |
| Thirty Design Limited -The- | Private company limited by shares | Live |
| Design Three Limited | Private company limited by shares | Live |
| HK ONE TWO THREE DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| TWO TO THE POWER THREE (DESIGN) LIMITED | Private company limited by shares | Dissolved |
| THIRTY THREE DESIGN LIMITED | Private company limited by shares | Live |
| THREE.ONE DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| Thrive By Design Limited | Private company limited by shares | Live |
| Through Design Limited | Private company limited by shares | Dissolved |
| TiDEO Design Limited | Private company limited by shares | Live |
| TIKO DESIGN LIMITED | Private company limited by shares | Live |