| Certica (Hong Kong) Limited | Private company limited by shares | Live |
| INT'L TOURIST ADM. SYSTEM CON. CERTIF CENTRE LIMITED | Private company limited by shares | Dissolved |
| Certifer Asia Pacific Limited | Private company limited by shares | Live |
| COC CERTIFICATE LIMITED | Private company limited by shares | Live |
| ALUMNI ASSOCIATION OF CERTIFICATE COURSE IN INTERIOR DESIGN OF EXTRAMURAL STUDIES OF C.U.H.K. LIMITED | Company limited by guarantee | Dissolved |
| My System Rights Certificate Integral (Int'l) Operation Limited | Private company limited by shares | Live |
| RACS QUALITY CERTIFICATES ISSUING SERVICES LIMITED | Private company limited by shares | Live |
| ACM CERTIFICATION LIMITED | Private company limited by shares | Live |
| DW CERTIFICATION LIMITED | Private company limited by shares | Live |
| TUV Certification Limited | Private company limited by shares | Live |
| YES CERTIFICATION LIMITED | Private company limited by shares | Live |
| ETC CERTIFICATION LIMITED | Private company limited by shares | Live |
| IMS CERTIFICATION LIMITED | Private company limited by shares | Live |
| CCC Certification Limited | Private company limited by shares | Live |
| VOE Certification Limited | Private company limited by shares | Live |
| ABC Certification Limited | Private company limited by shares | Live |
| AMERICAN INTERNATIONAL CERTIFICATION ASSOCIATION OF HUMAN RESOURCES LIMITED | Private company limited by shares | Dissolved |
| AVALON CERTIFICATION LIMITED | Private company limited by shares | Dissolved |
| AVALON CERTIFICATION LIMITED | Private company limited by shares | Live |
| China Enterprise Brand Honorary Certification Supervision Association Limited | Private company limited by shares | Live |
| CHINA YOGIS REGISTRATION AND CERTIFICATION AUTHORITY LIMITED | Private company limited by shares | Live |
| CHINA DIGITAL CERTIFICATION LIMITED | Private company limited by shares | Dissolved |
| Colombian Emerald Certification Limited | Private company limited by shares | Live |
| E-UNION STANDARD CERTIFICATION LIMITED | | Live |
| DELTA TESTING & CERTIFICATION (HK) LIMITED | Private company limited by shares | Live |
| Hong Kong United Certification Co., Limited | | Live |
| Global Investment Industry Licence Certification Association Limited | Private company limited by shares | Live |
| Asian Institute of Testing and Certification Academy of Sciences Limited | Company limited by guarantee | Live |
| ASIA CULTURAL RELICS INSTITUTE INSPECTION AND CERTIFICATION LIMITED | Private company limited by shares | Live |
| LOYAL TIME INTERNATIONAL STANDARD CERTIFICATION LIMITED | Private company limited by shares | Dissolved |
| STANDARD INTERNATIONAL INSPECTION REGISTRATION & CERTIFICATION LIMITED | Private company limited by shares | Live |
| HK CENTURY INT'L EDUCATION GROUP CERTIFICATION LIMITED | Private company limited by shares | Live |
| SSBW INT'L MANAGEMENT CERTIFICATION LIMITED | Private company limited by shares | Dissolved |
| LO YU SAN ASSETS PROTECTION PLANNER CERTIFICATION CO., LIMITED | Private company limited by shares | Live |
| Absolute Quality Certification Limited | Private company limited by shares | Live |
| Overseas Marine Certification Services (OMCS CLASS) Limited | Private company limited by shares | Live |
| Safety Standard Testing and Certification Company Limited | Private company limited by shares | Dissolved |
| SOLA TESTING (CERTIFICATION) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UNITED NATIONS CERTIFICATION GROUP LIMITED | Private company limited by shares | Dissolved |
| ISO Certifications Limited | Private company limited by shares | Dissolved |
| GREATER CHINA CERTIFICATIONS LIMITED | Private company limited by shares | Live |
| Nutek Certifications Limited | Private company limited by shares | Live |
| CERTIFIED LIMITED | Private company limited by shares | Dissolved |
| EU Certified Limited | Private company limited by shares | Live |
| CERTIFIED DIAMONDS LIMITED | Private company limited by shares | Live |
| Tested Unite Verification Certified Company Limited | Private company limited by shares | Dissolved |
| CCK - Certifier Corporation HK Limited | Private company limited by shares | Live |
| CYRUS CERTIFIKA PTE LIMITED | Private company limited by shares | Dissolved |
| Certiform Limited | Private company limited by shares | Dissolved |
| Danny International Certify Services Limited | Private company limited by shares | Live |
| CERTIMA LIMITED | Private company limited by shares | Dissolved |
| CERTIN ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CERTINO LIMITED | Private company limited by shares | Dissolved |
| CERTIPEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| CERTISE LIMITED | Private company limited by shares | Live |
| Certitude Group Limited | | Live |
| Certitudo Management Limited | | Live |
| CERTIZEN LIMITED | Private company limited by shares | Live |
| CERTIZEN TECHNOLOGY LIMITED | Private company limited by shares | Live |