| Company Name | Type | Status |
|---|---|---|
| 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 |