| CHINA PRINTMAKING INSTITUTE COMPANY LIMITED | Private company limited by shares | Live |
| CHINA THW PRINTMAKING RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| INSTITUTE OF PRINT-MEDIA PROFESSIONALS LIMITED | Company limited by guarantee | Live |
| Prior Professional Education Institute Limited | Private company limited by shares | Live |
| HKVCA Institute for Private Capital Limited | | Live |
| YISU PROBLEMATIC SKIN RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| Institute of Geophysics and Problems of the Earth Limited | Private company limited by shares | Live |
| Global Procurement Institute Limited | Private company limited by shares | Dissolved |
| INSTITUTE OF CHINESE CULTURAL AND HANDICRAFT PRODUCTS LIMITED -THE- | Private company limited by shares | Live |
| INSTITUTE OF NATURAL PRODUCTS (HONG KONG) LIMITED | Private company limited by shares | Live |
| PROF J MARKET INFORMATION RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA PROFESSION RESEARCH INSTITUTE CO., LIMITED | Private company limited by shares | Live |
| AESTHETIC PROFESSIONAL INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| PHYSICAL PROFESSIONAL AESTHETICIAN INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| INSTITUTE FOR IT PROFESSIONAL CERTIFICATION LIMITED -THE- | Private company limited by shares | Live |
| CHARTERED INSTITUTE OF CERTIFIED PROFESSIONAL MANAGERS LIMITED | Private company limited by shares | Dissolved |
| INSTITUTE OF CHINA PROFESSIONAL ACCOUNTANCY LIMITED -THE- | Private company limited by shares | Dissolved |
| Professional Design Institute Limited | Private company limited by shares | Live |
| INSTITUTE OF PROFESSIONAL DEVELOPMENT LIMITED -THE- | Private company limited by shares | Dissolved |
| ASIAN INSTITUTE FOR PROFESSIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| INSTITUTE OF PROFESSIONAL EDUCATION LIMITED | Private company limited by shares | Dissolved |
| Elite Institute of Advanced and Professional Education Limited | | Live |
| Institute of Professional Education And Knowledge (PEAK) -The- | Company limited by guarantee | Live |
| Professional Equine Institute Limited | | Live |
| INSTITUTE OF PROFESSIONAL AND EXECUTIVE MANAGEMENT LIMITED | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF PROFESSIONAL ACCOUNTANCY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Blockchain Professional Institute Limited | Company limited by guarantee | Live |
| HONG KONG INSTITUTE FOR IT PROFESSIONAL CERTIFICATION LIMITED -THE- | Company limited by guarantee | Live |
| HONG KONG INSTITUTE OF PROFESSIONAL COMMUNICATION LIMITED | Company limited by guarantee | Live |
| HONG KONG INSTITUTE OF PROFESSIONAL EDUCATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INSTITUTE FOR PRC PROFESSIONAL EDUCATION LIMITED | Private company limited by shares | Dissolved |
| HONG KONG PROFESSIONAL EDUCATION INSTITUTE LIMITED | Private company limited by shares | Live |
| HONG KONG INSTITUTE OF PROFESSIONAL ENGINEERS LIMITED -THE- | Company limited by guarantee | Dissolved |
| HONG KONG INSTITUTE OF PROFESSIONAL PHOTOGRAPHERS LIMITED | Company limited by guarantee | Live |
| HONG KONG INSTITUTE OF PROFESSIONAL STUDIES LIMITED | Private company limited by shares | Live |
| PROFESSIONAL IMAGE & INTERNATIONAL ETIQUETTE INSTITUTE LIMITED | Private company limited by shares | Live |
| LINUX PROFESSIONAL INSTITUTE LIMITED | Company limited by guarantee | Dissolved |
| INSTITUTE OF PROFESSIONAL MEDICAL BEAUTY LIMITED | Private company limited by shares | Live |
| INSTITUTE OF PROFESSIONAL PROPERTY MANAGERS LIMITED | Company limited by guarantee | Dissolved |
| INSTITUTE OF PROFESSIONAL PUBLIC RELATIONS, HONGKONG LIMITED -THE- | Company limited by guarantee | Dissolved |
| SHARE PROFESSIONAL BEAUTY INSTITUTE LIMITED | Private company limited by shares | Live |
| INSTITUTE OF PROFESSIONAL AND HIGHER STUDIES LIMITED | Private company limited by shares | Dissolved |
| INSTITUTE OF PROFESSIONAL TRAINERS LIMITED | Company limited by guarantee | Dissolved |
| INSTITUTE OF PROFESSIONAL TRAINERS AND COACHES LIMITED | Company limited by guarantee | Live |
| CTU PROFESSIONAL TRAINING INSTITUTE LIMITED | Private company limited by shares | Live |
| Professional Training Institute Limited | Private company limited by shares | Dissolved |
| ASIA PROFESSIONAL TRAINING INSTITUTE LIMITED | Private company limited by shares | Live |
| HK INSTITUTE OF PROFESSIONAL EDUCATION & TRAINING LIMITED | Private company limited by shares | Dissolved |
| ENLIGHTEN PROFESSIONAL TRAINING INSTITUTE LIMITED | Private company limited by shares | Live |
| EQUILIBRIUM INSTITUTE OF PROFESSIONAL TRAINING LIMITED -THE- | Private company limited by shares | Live |
| Professional Pets Training Institute Limited | Private company limited by shares | Live |
| INSTITUTE FOR PROFESSIONAL TRAINING IN PSYCHOTHERAPY LIMITED | Private company limited by shares | Live |
| UNIVERSAL PROFESSIONAL SPORTS INSTITUTE COMPANY LIMITED | Private company limited by shares | Dissolved |
| INSTITUTE OF PROFESSIONAL UPGRADATION COMPANY LIMITED | Private company limited by shares | Live |
| ASIAN FITNESS PROFESSIONALS INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| Institute of Chartered Secretaries and Governance Professionals Limited -The- | Private company limited by shares | Live Commenced dormancy on 02-Aug-2017 |
| GBA Institute of Enterprise Professionals Company Limited | Private company limited by shares | Live |
| GLOBAL INSTITUTE FOR PROFESSIONALS LIMITED | Private company limited by shares | Live |
| Global Institute of Financial Professionals Limited | Company limited by guarantee | Live |
| HONG KONG INSTITUTE OF COMPUTER PROFESSIONALS LIMITED | Company limited by guarantee | Dissolved |
| HONG KONG INSTITUTE FOR COUNSELLING PROFESSIONALS LIMITED | Private company limited by shares | Live |
| INSTITUTE OF UNRETIRING PROFESSIONALS LIMITED | Private company limited by shares | Live |
| Professor Rabie's Institute of Graduate Orthodontics Limited | Private company limited by shares | Live |
| AMERICAN INSTITUTE FOR ENGLISH PROFICIENCY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INSTITUTE OF PROJECT MANAGEMENT LIMITED | Company limited by guarantee | Live |
| CHINA PROMOTION RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| HEALTH EDUCATION & PROMOTION INSTITUTE LIMITED | Private company limited by shares | Live |
| CHINA ENTERPRISE PROPAGATION RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| DEYI PROPERTY STRATEGY INSTITUTE (INT'L) LIMITED | Private company limited by shares | Dissolved |
| GBA INTELLECTUAL PROPERTY INSTITUTE LIMITED | Private company limited by shares | Live |
| INTERNET INTELLECTUAL PROPERTY INSTITUTE LIMITED | Private company limited by shares | Live |
| Jiaheng Intellectual Property Research Institute Limited | | Live |
| PropTech Institute Limited | Company limited by guarantee | Live |
| PRO-SPORTS INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| CHINA CLASSICAL TCM PROTECTION&DEV. INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| PROTEIN INSTITUTE (CHINA) LIMITED | Private company limited by shares | Dissolved |
| Provident Learning Institute Limited | | Live |
| London Provision Fashion Business Institute Limited | Private company limited by shares | Live |
| PSYCHOFEEDBACK INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| INSTITUTE OF PSYCHOLOGICAL FIRST AID LIMITED | Company limited by guarantee | Live |
| H.K DECODER PSYCHOLOGY INSTITUTE LIMITED | Private company limited by shares | Live |
| Institute for Family & Psychology Limited | Private company limited by shares | Live |
| China Psychosomatic Medical Institute Co., Limited | Private company limited by shares | Live |
| IPC INSTITUTE OF PSYCHOTHERAPY AND COUNSELLING LIMITED | Private company limited by shares | Dissolved |
| Institute for Public Art Limited | Company limited by guarantee | Live |
| INSTITUTE OF CHINESE LAW (PUBLISHERS) LIMITED | Private company limited by shares | Dissolved |
| Advanced Scientific Research Publishing Institute Limited | | Live |
| QHJL INTERNET CAPITAL INSTITUTE LIMITED | Private company limited by shares | Live |
| INSTITUTE OF WISDOM & POWER QI-GONG, LIMITED -THE- | Company limited by guarantee | Dissolved |
| Gao Qing Research & Design Institute (Company) Limited | Private company limited by shares | Live |
| QING EMPEROR RESEARCH INSTITUTE CO. LIMITED | Private company limited by shares | Dissolved |
| Qingxin Therapy Institute Limited | Private company limited by shares | Live |
| HK QingYanTang Skin Health Research Institute Limited | Private company limited by shares | Live |
| QINGZITANG RESEARCH INSTITUTE LIMITED | | Live |
| ASIAN SOFTWARE QUALITY INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| ASIAN SOFTWARE QUALITY INSTITUTE LIMITED | Private company limited by shares | Live |
| Bayn Quality Institute HK Limited | Private company limited by shares | Dissolved |
| SERVICE QUALITY STANDARD INSTITUTE LIMITED | Company limited by guarantee | Dissolved |
| China Institute of Quality Science and Technology Limited | | Live |
| CHINA QUANTITATIVE INVESTMENT RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |