| Cybersec Limited | Private company limited by shares | Live |
| DDD Cybersecurity Limited | Private company limited by shares | Live |
| Alphawall Cybersecurity Limited | | Live |
| Haijing Cybersecurity Limited | | Live |
| AsiaInfo Cybersecurity (H.K.) Limited | Private company limited by shares | Live |
| SkyGuard (HK) Cybersecurity Technology Limited | | Live |
| HONG KONG JNC CYBERSECURITY LIMITED | Private company limited by shares | Live |
| IRADAR CYBERSECURITY HONG KONG LIMITED | | Live |
| HK LEGAL NEW ERA CYBERSECURITY NEWS AGENCY LIMITED | | Live |
| CyberSecurity Ninjas Limited | | Live |
| Sino Cybersecurity Limited | | Live |
| Robinsons Cybersecurity Solutions Limited | | Live |
| StormEye Cybersecurity Limited | Private company limited by shares | Live |
| White Hat Cybersecurity Group Limited | | Live |
| CYBERSERV CO. LIMITED | Private company limited by shares | Dissolved |
| CYBERSHOPPERS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CYBERSHOPWORLD.COM LIMITED | Private company limited by shares | Dissolved |
| CYBERSIX LIMITED | Private company limited by shares | Live |
| CYBERSKY CENTURY COMPANY LIMITED | Private company limited by shares | Live |
| CYBERSMART COMPANY LIMITED | Private company limited by shares | Dissolved |
| CYBERSMART NETWORK COMPANY LIMITED | Private company limited by shares | Dissolved |
| CYBERSMART TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CYBERSOFT LIMITED | Private company limited by shares | Dissolved |
| CYBERSOFT GLOBE LIMITED | Private company limited by shares | Dissolved |
| CORISE CYBERSONIC (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CYBERSONIC TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CYBERSPACE LIMITED | Private company limited by shares | Live |
| HKU CYBERSPACE LIMITED | Private company limited by shares | Live |
| COLEMAN CYBERSPACE MARKETING LIMITED | Private company limited by shares | Dissolved |
| CYBERSPACE GROUP LIMITED | Private company limited by shares | Live |
| China Hong Kong International Cyberspace Security Association Limited | | Live |
| Hong Kong Cyberspace Technology LIMITED | | Live |
| Lion Rock Cyberspace Technology Limited | | Live |
| CYBERSPACE MANAGEMENT LIMITED | | Live |
| PROACTIVE CYBERSPACE COMPANY LIMITED | Private company limited by shares | Live |
| Cyberspace Station Limited | Private company limited by shares | Live |
| Cyberspace Technology Solutions HK Limited | | Live |
| Unity Cyberspace Private Limited | | Live |
| CYBERSPACE WORKSHOP LIMITED | | Live |
| ZING MAKEUP CYBERSPACE LIMITED | Private company limited by shares | Dissolved |
| CYBERSPEC COMPANY LIMITED | Private company limited by shares | Dissolved |
| CYBERSPHERE LIMITED | | Live |
| CYBERSPRING LIMITED | Private company limited by shares | Live |
| CyberSquid Limited | | Live |
| Able Cyberstan Limited | Private company limited by shares | Live |
| CYBERSTAR LIMITED | Private company limited by shares | Live |
| CYBERSTARLOGISTICS LIMITED | Private company limited by shares | Live |
| CYBERSTARNET.COM (H.K.) LIMITED | Private company limited by shares | Dissolved |
| CyberStep Hong Kong Limited | Private company limited by shares | Live |
| CyberStorm Limited | Private company limited by shares | Live |
| CYBERSTREAM TECHNOLOGY GLOBAL LIMITED | Private company limited by shares | Dissolved |
| CYBERSTREET DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| CYBERSTRONG LIMITED | Private company limited by shares | Dissolved |
| CYBERTAINMENT LIMITED | Private company limited by shares | Live |
| GLOBAL CYBERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| CYBERTALK (HK) INTERNATIONAL HOLDING CO., LIMITED | Private company limited by shares | Live |
| CYBERTANK.COM LIMITED | Private company limited by shares | Dissolved |
| CYBERTANT (HONGKONG) LIMITED | | Live |
| CyberteaCH Holdings Limited | Private company limited by shares | Live |
| CYBERTEC LIMITED | Private company limited by shares | Dissolved |
| CYBERTEC (ASIA) LIMITED | Private company limited by shares | Dissolved |
| GLS Cybertech Company Limited | Private company limited by shares | Live |
| CyberTech Limited | Private company limited by shares | Live |
| CYBERTECH LIMITED | | Live |
| ASIA CYBERTECH LIMITED | Private company limited by shares | Live |
| CYBERTECH CAPITAL LIMITED | Private company limited by shares | Live |
| LINKAGE CYBERTECH LIMITED | Private company limited by shares | Live Commenced dormancy on 12-Jan-2009 |
| SILCON CYBERTECH LIMITED | Private company limited by shares | Dissolved |
| SUPERCAM CYBERTECH LIMITED | Private company limited by shares | Dissolved |
| WARP CYBERTECH LIMITED | Private company limited by shares | Live |
| CYBERTECH-CHINA.COM LIMITED | Private company limited by shares | Dissolved |
| CYBERTECTURE LIMITED | Private company limited by shares | Dissolved |
| CYBERTECTURE PACIFIC LIMITED | Private company limited by shares | Dissolved |
| CYBERTEK COMPANY LIMITED | Private company limited by shares | Dissolved |
| CYBERTEK LIMITED | Private company limited by shares | Dissolved |
| CYBERTEK (ASIA) LIMITED | Private company limited by shares | Dissolved |
| CYBERTEL LIMITED | Private company limited by shares | Dissolved |
| CYBERTEL WORKS LIMITED | Private company limited by shares | Dissolved |
| CYBERTEN INFORMATION STRATEGIES LIMITED | Private company limited by shares | Live |
| CYBERTEX LIMITED | Private company limited by shares | Dissolved |
| CYBERTIK INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| CYBERTIMES NETWORK HONG KONG LIMITED | Private company limited by shares | Dissolved |
| CYBERTIVITY GREATER CHINA LIMITED | Private company limited by shares | Dissolved |
| CYBERTIVITY ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| Cybertogether Limited | | Live |
| CYBERTONIC LIMITED | Private company limited by shares | Dissolved |
| CYBERTONIC (HK) LIMITED | Private company limited by shares | Live |
| CYBERTOP LIMITED | Private company limited by shares | Dissolved |
| CYBERTOP (ASIA) LIMITED | Private company limited by shares | Live |
| CYBERTOP ELECTRONICS (HK) LIMITED | Private company limited by shares | Live |
| CYBERTOP TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CYBERTOUCH-TECH COMPANY LIMITED | Private company limited by shares | Live |
| CYBERTRACK LIMITED | Private company limited by shares | Dissolved |
| NEW CYBERTRADE LIMITED | Private company limited by shares | Live |
| CYBERTRADES LIMITED | Private company limited by shares | Dissolved |
| CYBERTRAM LIMITED | Private company limited by shares | Dissolved |
| PACIFIC CYBERTRANS COMPANY LIMITED | Private company limited by shares | Live |
| CYBERTRAY COMPANY LIMITED | Private company limited by shares | Live |
| CYBERTRIMS ASIA LIMITED | Private company limited by shares | Dissolved |
| CYBERTRONICS E-BIZ LIMITED | Private company limited by shares | Dissolved |