| PPC ADMINISTRATORS LIMITED | Private company limited by shares | Dissolved |
| HKG Administrators Limited | Private company limited by shares | Dissolved |
| Acmero Administrators Limited | Private company limited by shares | Live |
| ALLGAIN LAND ADMINISTRATORS COMPANY LIMITED | Private company limited by shares | Live |
| AMERICAN CERTIFIED HOTEL ADMINISTRATORS ASSOCIATION LIMITED | Private company limited by shares | Live |
| ASIA ADMINISTRATORS LIMITED | Private company limited by shares | Live |
| ST. BOTOLPH ADMINISTRATORS LIMITED | Private company limited by shares | Live |
| CAPITA FINANCIAL ADMINISTRATORS LIMITED | Private company limited by shares | Dissolved |
| ESTATE ADMINISTRATORS LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Fund Administrators Association Limited | Company limited by guarantee | Live |
| Intellivision Global Administrators Limited | | Live |
| FACULTY OF SECRETARIES AND ADMINISTRATORS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ARTS ADMINISTRATORS ASSOCIATION LIMITED | Company limited by guarantee | Live |
| HOTEL ADMINISTRATORS LIMITED | Private company limited by shares | Live |
| INTERNATIONAL ADMINISTRATORS LIMITED | Private company limited by shares | Live |
| International Managers and Business Administrators Limited | Private company limited by shares | Dissolved |
| MEDICAL ADMINISTRATORS INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| JICM ADMINISTRATORS LIMITED | Private company limited by shares | Dissolved |
| Global Optimal Administrators Limited | Private company limited by shares | Live |
| PROPERTY ADMINISTRATORS LIMITED | Private company limited by shares | Live |
| ALLGAIN LAND ADMINISTRATORS (PROPERTY) LIMITED | Private company limited by shares | Live |
| Allgain Land Administrators (Tuen Mun) Company Limited | Private company limited by shares | Live |
| UNITED PENSION PROGRAMME ADMINISTRATORS LIMITED | Private company limited by shares | Dissolved |