| SPECT HK Limited | Private company limited by shares | Live |
| Specta Creative Limited | Private company limited by shares | Live |
| SPECTABILIS LIMITED | Private company limited by shares | Dissolved |
| MALUS SPECTABILIS ENTERTAIMENT LIMITED | Private company limited by shares | Live |
| SpecTac Limited | Private company limited by shares | Live |
| Red Spectacle Limited | Private company limited by shares | Live |
| MARTIN SPECTACLE LENSES MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| SPECTACLES COMPANY LIMITED | Private company limited by shares | Live |
| U Spectacles Limited | Private company limited by shares | Live |
| CAPITAL SPECTACLES COMPANY LIMITED | Private company limited by shares | Dissolved |
| EYE-SMART SPECTACLES LIMITED | Private company limited by shares | Live |
| MING SZE SPECTACLES LIMITED | Private company limited by shares | Live |
| JOIN PEACE SPECTACLES MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| Auddi Spectacles Trading Limited | Private company limited by shares | Live |
| VERDE SPECTACLES MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| Spectacolo Limited | Private company limited by shares | Live |
| Spectacular Enterprise Limited | Private company limited by shares | Live |
| SPECTACULAR ENTERTAINMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Spectacular Years Limited | Private company limited by shares | Live |
| Spectak International Limited | Private company limited by shares | Live |
| SPECTAR LIMITED | Private company limited by shares | Dissolved |
| SPECTAR ASIA LIMITED | Private company limited by shares | Dissolved |
| SPECTAR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SPECTAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SpectCross Limited | Private company limited by shares | Live |
| SPECTECH LIMITED | Private company limited by shares | Dissolved |
| HK SPECTECH MACHINERY LIMITED | | Live |
| Specter Holding Limited | | Live |
| SPECTEX COMPANY LIMITED | Private company limited by shares | Dissolved |
| POHLI SPECTHUB LIMITED | Private company limited by shares | Live |
| SPECTICA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SPECTO LIMITED | Private company limited by shares | Live |
| SMITHSON SPECTOR ENERGY RESOURCES LIMITED | Private company limited by shares | Live |
| Spectr Trade Group Limited | Private company limited by shares | Live |
| SPECTRA LIMITED | Private company limited by shares | Dissolved |
| SPECTRA LIMITED | Private company limited by shares | Dissolved |
| Ag Spectra Limited | Private company limited by shares | Dissolved |
| NML SPECTRA LIMITED | Private company limited by shares | Live |
| SPECTRA LIMITED | Private company limited by shares | Dissolved |
| SPECTRA LIMITED | Private company limited by shares | Live |
| Spectra Asia Company Limited | Private company limited by shares | Dissolved |
| Spectra Capital Limited | Private company limited by shares | Live |
| Spectra Capital II Limited | Private company limited by shares | Live |
| ELITE SPECTRA LIMITED | Private company limited by shares | Live |
| NEW SPECTRA BEAUTY & FIGURE CENTRE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SPECTRA FINANCE & COMPANY LIMITED | Private company limited by shares | Dissolved |
| SPECTRA FINANCIAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| SPECTRA INVESTMENT LIMITED | Private company limited by shares | Live |
| GRAND SPECTRA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPECTRA JEWELRY LIMITED | Private company limited by shares | Dissolved |
| SPECTRA PARTNERSHIP LIMITED | Private company limited by shares | Live |
| SPECTRA PRODUCTS LIMITED | Private company limited by shares | Live |
| SPECTRA SALES LIMITED | Private company limited by shares | Dissolved |
| SPECTRA STAR ASIA, LIMITED | Private company limited by shares | Dissolved |
| SPECTRA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| SPT SPECTRA TECH COMPANY LIMITED | Private company limited by shares | Live |
| SPECTRA TOYS LIMITED | Private company limited by shares | Dissolved |
| SPECTRA TUNE LIMITED | Private company limited by shares | Live |
| SPECTRADE LIMITED | Private company limited by shares | Dissolved |
| SPECTRAGEM TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG SPECTRAL ENERGIES LIMITED | Private company limited by shares | Live |
| SPECTRAL RESEARCH SERVICES LIMITED | Private company limited by shares | Dissolved |
| Spectral IT Solutions Limited | Private company limited by shares | Live |
| SPECTRALINE LIMITED | Private company limited by shares | Live |
| Spectraline Technologies Company Limited | Private company limited by shares | Live |
| Spectralocus Industry Limited | | Live |
| SPECTRAONE LIMITED | Private company limited by shares | Live |
| SPECTRA-PHYSICS ASIA LIMITED | Private company limited by shares | Live |
| SPECTRA-PHYSICS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SPECTRART LIMITED | Private company limited by shares | Live |
| SPECTRASIA LIMITED | Private company limited by shares | Dissolved |
| SpectraSynq Co Limited | | Live |
| SPECTRAVIDEO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SPECTRE LIMITED | Private company limited by shares | Live |
| SPECTREX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SPECTRO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SPECTRO SYSTEM ASIA LIMITED | Private company limited by shares | Live |
| SPECTROL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SPECTRON LIMITED | Private company limited by shares | Dissolved |
| Spectron Integrated Co., Limited | | Live |
| SPECTRON ENTERPRISES LIMITED | Private company limited by shares | Live |
| SPECTRON SCIENTIFIC (HK) LIMITED | Private company limited by shares | Dissolved |
| Marex Spectron Limited | Private company limited by shares | Live Commenced dormancy on 16-Jun-2011 |
| SPECTRON TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Spectron Telecom Limited | Private company limited by shares | Live |
| Spectronic (Hong Kong) Limited | Private company limited by shares | Live |
| SPECTRONIC DIGITAL MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| SPECTRONIC MANUFACTURERS AND RESEARCH LIMITED | Private company limited by shares | Dissolved |
| M. D. SPECTRONICS LIMITED | Private company limited by shares | Dissolved |
| SPECTRONIX LIMITED | Private company limited by shares | Dissolved |
| SPECTROVISION LIMITED | Private company limited by shares | Live |
| SPECTRUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| SPECTRUM LIMITED | Private company limited by shares | Live |
| AP SPECTRUM LIMITED | Private company limited by shares | Live |
| RF Spectrum Limited | Private company limited by shares | Dissolved |
| B&K SPECTRUM LIMITED | Private company limited by shares | Dissolved |
| SPECTRUM TEX LIMITED | Private company limited by shares | Live |
| Spectrum 28 Limited | Private company limited by shares | Live |
| Spectrum Ink Company Limited | Private company limited by shares | Live |
| Spectrum SI Limited | Private company limited by shares | Live |