| SPECTRUM PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SPECTRUM PUBLISHING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SPECTRUM REPRODUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMART SPECTRUM LIMITED | Private company limited by shares | Live |
| Spectrum Software Limited | Private company limited by shares | Live |
| Solar Spectrum Limited | | Live |
| SPECTRUM SOLUTIONS LIMITED | Private company limited by shares | Live |
| SPECTRUM SOLUTIONS LIMITED | | Live |
| Spectrum Sports Limited | Private company limited by shares | Live |
| SPECTRUMIX INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SPECTRUMIX INDUSTRIES LIMITED | Private company limited by shares | Live |
| SPECTRUMS EXPERT LIMITED | Private company limited by shares | Live |
| SPECULATIVE COMPANY LIMITED | Private company limited by shares | Live |
| New Agency for Speculative Architecture Limited | Private company limited by shares | Live |
| SPECULATOR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SPECULUM TRADING LIMITED | Private company limited by shares | Dissolved |
| SpecVance Hong Kong Co., Limited | Private company limited by shares | Live |
| SPECWARFARE LIMITED | Private company limited by shares | Live |
| Shenzhen Specxiang Technology Co., Limited | Private company limited by shares | Live |
| Specxreef Limited | Private company limited by shares | Live |
| SPED & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| SPED ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| SPEDA BERDORF LIMITED | Private company limited by shares | Live |
| SPEDEX MATERIALS HOLDING CO., LIMITED | Private company limited by shares | Live |
| S M SPEDITION LIMITED | Private company limited by shares | Dissolved |
| SET SPEDITION LIMITED | Private company limited by shares | Live |
| SET AIR CARGO SPEDITION LIMITED | Private company limited by shares | Live |
| MERRY FREIGHT SPEDITION LIMITED | Private company limited by shares | Dissolved |
| SAC INTERNATIONALE SPEDITION (HK) LIMITED | Private company limited by shares | Dissolved |
| SPEDIX LIMITED | Private company limited by shares | Live |
| SPEDLEY LIMITED | Private company limited by shares | Dissolved |
| SPEECH RED LIMITED | Private company limited by shares | Live |
| SPEECH ARCHITECTS LIMITED | Private company limited by shares | Live |
| CENTER FOR SPEECH DEBATE AND ADVOCACY LIMITED | Private company limited by shares | Live Commenced dormancy on 27-Apr-2016 |
| LCM Speech Centre Limited | Private company limited by shares | Dissolved |
| OAK SPEECH CENTRE LIMITED | Private company limited by shares | Live |
| GREAT STATION MUSIC AND SPEECH LIMITED | Private company limited by shares | Live |
| CENTRE FOR SPEECH & LANGUAGE LIMITED | Private company limited by shares | Live |
| SEQUENCE SPEECH AND LANGUAGE LIMITED | Private company limited by shares | Dissolved |
| CHINA SPEECH MAGAZINE LIMITED | Private company limited by shares | Dissolved |
| PLAYNLEARN SPEECH & ART ACADEMY LIMITED | Private company limited by shares | Live |
| ART SPEECH PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| SPEECHEXPRESS LIMITED | Company limited by guarantee | Live |
| SpeechLab Limited | Private company limited by shares | Live |
| Imagine Speech-Language Pathology Limited | | Live |
| Speechless Limited | Private company limited by shares | Live |
| Speechocean Limited | Private company limited by shares | Live |
| SpeechRite Limited | | Live |
| SpeechX Limited | Private company limited by shares | Live |
| Speeconn Limited | Private company limited by shares | Live |
| TOP SPEED LIMITED | Private company limited by shares | Live |
| JET SPEED COMPANY LIMITED | Private company limited by shares | Live |
| SUN SPEED LIMITED | Private company limited by shares | Live |
| PAN SPEED LIMITED | Private company limited by shares | Dissolved |
| SPEED RUN LIMITED | Private company limited by shares | Dissolved |
| NO. 1 SPEED LIMITED | Private company limited by shares | Dissolved |
| DUN SPEED LIMITED | Private company limited by shares | Dissolved |
| SPEED LIMITED | Private company limited by shares | Live |
| WIN SPEED LIMITED | Private company limited by shares | Dissolved |
| SPEED NEW LIMITED | Private company limited by shares | Live |
| AIR SPEED LIMITED | Private company limited by shares | Dissolved |
| SPEED UP LIMITED | Private company limited by shares | Live |
| SPEED ACE LIMITED | Private company limited by shares | Live |
| SPEED ART LIMITED | Private company limited by shares | Dissolved |
| SPEED ON LIMITED | Private company limited by shares | Dissolved |
| SPEED WIN LIMITED | Private company limited by shares | Live |
| SPEED PAY LIMITED | Private company limited by shares | Dissolved |
| D SPEED LIMITED | Private company limited by shares | Dissolved |
| SPEED FIT COMPANY LIMITED | Private company limited by shares | Dissolved |
| WIN SPEED LIMITED | Private company limited by shares | Live |
| NEW SPEED LIMITED | Private company limited by shares | Live |
| T I R SPEED COMPANY LIMITED | Private company limited by shares | Live |
| FAR SPEED LIMITED | Private company limited by shares | Live |
| SPEED TOP LIMITED | Private company limited by shares | Dissolved |
| ON SPEED LIMITED | Private company limited by shares | Live |
| SKY SPEED LIMITED | Private company limited by shares | Live |
| SPEED MAX LIMITED | Private company limited by shares | Live |
| MAX SPEED LIMITED | Private company limited by shares | Dissolved |
| SPEED AIR LIMITED | Private company limited by shares | Dissolved |
| GO SPEED LIMITED | Private company limited by shares | Live |
| SPEED KEY LIMITED | Private company limited by shares | Dissolved |
| SPEED JET LIMITED | Private company limited by shares | Dissolved |
| 103 SPEED LIMITED | Private company limited by shares | Dissolved |
| SPEED JOY LIMITED | Private company limited by shares | Live |
| SPEED TOP LIMITED | Private company limited by shares | Dissolved |
| ACE SPEED LIMITED | Private company limited by shares | Live |
| SPEED SUN LIMITED | Private company limited by shares | Dissolved |
| MAX SPEED COMPANY LIMITED | Private company limited by shares | Live |
| SPEED AIM LIMITED | Private company limited by shares | Live |
| Speed APP Limited | Private company limited by shares | Live |
| SKI SPEED LIMITED | Private company limited by shares | Live |
| Speed Go Company Limited | Private company limited by shares | Live |
| TOP SPEED LIMITED | Private company limited by shares | Live |
| Kau Speed Limited | Private company limited by shares | Live |
| SPEED RAY LIMITED | Private company limited by shares | Live |
| Speed Buy Limited | Private company limited by shares | Live |
| AY SPEED COMPANY LIMITED | Private company limited by shares | Live |
| FAR SPEED HK LIMITED | Private company limited by shares | Live |
| SSG SPEED LIMITED | Private company limited by shares | Live |
| CC Speed Limited | | Live |