| TECHNOLOGY CHAMPION PROFESSIONAL LIMITED | Private company limited by shares | Live |
| E PROFESSIONAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| PAC PROFESSIONAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| GERMANY PROFESSIONAL ART COSMETICS TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| PROFESSIONAL NANO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WELL PROFESSIONAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Professional Testing Consultant Limited | Private company limited by shares | Live |
| JEWELLERY PROFESSIONAL CONSULTANT AND TESTING LIMITED | Private company limited by shares | Live |
| HO KEE PROFESSIONAL MOTOR TESTING LIMITED | Private company limited by shares | Live |
| THINKON LED PROFESSIONAL LIMITED | Private company limited by shares | Live |
| PROFESSIONAL TIMEPIECE COMPANY LIMITED | Private company limited by shares | Live |
| TIMES PROFESSIONAL LIMITED | Private company limited by shares | Live |
| TOGET PROFESSIONAL ADVISORY LIMITED | Private company limited by shares | Live |
| PROFESSIONAL TRADE LIMITED | Private company limited by shares | Dissolved |
| PROFESSIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| PROFESSIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| CAR PROFESSIONAL TRADING LIMITED | Private company limited by shares | Live |
| PROFESSIONAL TRADING LIMITED | Private company limited by shares | Live |
| L.E Professional Trading Limited | Private company limited by shares | Live |
| PROFESSIONAL AUTO TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SUN PROFESSIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| PROFESSIONAL TRADING GROUP LIMITED | Private company limited by shares | Live |
| PROFESSIONAL HEALTH TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Professional (HK) Trading Limited | Private company limited by shares | Live |
| PROFESSIONAL INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| PROFESSIONAL TRADING INVESTMENT LIMITED | Private company limited by shares | Live |
| Professional Lighting Trading Company Limited | Private company limited by shares | Dissolved |
| Niso Professional Healthcare Devices Trading Limited | Private company limited by shares | Live |
| GLORIOUS PROFESSIONAL PRODUCTS TRADING LIMITED | Private company limited by shares | Live |
| BDO PROFESSIONAL TRAINERS COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW TRAINING PROFESSIONAL LIMITED | Private company limited by shares | Dissolved |
| Professional Training Company Limited | Private company limited by shares | Live |
| Arrow Professional Training Limited | Private company limited by shares | Live |
| GUIDING PROFESSIONAL ADVANCE TRAINING ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| Caregiver Professional Training Limited | Private company limited by shares | Dissolved |
| PROFESSIONAL SIGN LANGUAGE TRAINING CENTER LIMITED | Private company limited by shares | Live |
| GRAND CENTRAL COUNSELLING AND PROFESSIONAL TRAINING LIMITED | Private company limited by shares | Live |
| BMI Professional Training Centre Limited | Private company limited by shares | Live |
| YOUR CHOICE PROFESSIONAL TRAINING CENTRE COMPANY LIMITED | Private company limited by shares | Live |
| China Professional Training Limited | Private company limited by shares | Live |
| Professional Training Consultants Limited | Private company limited by shares | Dissolved |
| Professional Continuing Training Centre Limited | | Live |
| ASSOCIATION OF PROFESSIONAL EDUCATION & TRAINING (HK) LIMITED | Private company limited by shares | Live |
| CHARISE HIGHER EDUCATION AND PROFESSIONAL TRAINING LIMITED | Private company limited by shares | Dissolved |
| Asia Professional Elite Training Academy Limited | Private company limited by shares | Live |
| PROFESSIONAL ENRICHMENT TRAINING CONSULTANCY LIMITED | Private company limited by shares | Live |
| FORTUNE MAKER PROFESSIONAL TRAINING LIMITED | Private company limited by shares | Dissolved |
| GDHK PROFESSIONAL TRAINING LIMITED | Private company limited by shares | Dissolved |
| Goahead Professional Training Company Limited | Private company limited by shares | Live |
| INTER-SMART PROFESSIONAL TRAINING LIMITED | Private company limited by shares | Live |
| CENTRE FOR PROFESSIONAL TRAINING OF HONG KONG LIMITED | Private company limited by shares | Live |
| Kosec Professional Training Limited | Private company limited by shares | Live |
| MASTERMIND PROFESSIONAL TRAINING LIMITED | Private company limited by shares | Live |
| MING LI PROFESSIONAL TRAINING LIMITED | Private company limited by shares | Live |
| Pok Ngai Professional Training Company Limited | Private company limited by shares | Live |
| DR. KOO PROFESSIONAL PSYCHOLOGY TRAINING (H.K.) LIMITED | Private company limited by shares | Live |
| REIKIDOU PROFESSIONAL TRAINING CENTRE LIMITED | Private company limited by shares | Live |
| PROFESSIONAL SAFETY TRAINING CENTER LIMITED | Private company limited by shares | Dissolved |
| SOAR PROFESSIONAL TRAINING CO. LIMITED | Private company limited by shares | Dissolved |
| SQUARE 1 PROFESSIONAL TRAINING CENTRE LIMITED | Private company limited by shares | Live |
| PROFESSIONAL TRAINING & STRATEGY LIMITED | Private company limited by shares | Live |
| TALENT PROFESSIONAL TRAINING GROUP LIMITED | Private company limited by shares | Live |
| PROFESSIONAL TECH TRAINING LIMITED | Private company limited by shares | Dissolved |
| Century Professional Training Trading Limited | | Live |
| PROFESSIONAL TRANSCEND LIMITED | Private company limited by shares | Dissolved |
| Asian Professional Association for Transgender Health., Limited | Company limited by guarantee | Live |
| HK PROFESSIONAL TRANSLATION LIMITED | Private company limited by shares | Dissolved |
| FOREHILL PROFESSIONAL TRANSLATION SERVICE LIMITED | Private company limited by shares | Dissolved |
| PROFESSIONAL TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Live |
| H & S PROFESSIONAL TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Live |
| CHI WING PROFESSIONAL TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Live |
| Jiang Tai Professional Travel Limited | Private company limited by shares | Live |
| PROFESSIONAL TREATMENT LIMITED | Private company limited by shares | Live |
| Professional Treatment International Limited | Private company limited by shares | Live |
| KANASAWA SURFACE TREATMENT PROFESSIONAL CO. LIMITED | Private company limited by shares | Live |
| PROFESSIONAL TREE TEAM LIMITED | Private company limited by shares | Live |
| TRIO PROFESSIONAL CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| TRUST Professional Driver Service Limited | Private company limited by shares | Live |
| Trustful Professional Company Limited | | Live |
| PROFESSIONAL TUTORING ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| UNILED PROFESSIONAL LIGHTING CO., LIMITED | Private company limited by shares | Live |
| UNIQUE PROFESSIONAL TECHNOLOGY LIMITED | | Live |
| Professional United Company Limited | Private company limited by shares | Live |
| UNITED CHINA PROFESSIONAL INSURANCE BROKERS LIMITED | Private company limited by shares | Live |
| UNITED PROFESSIONAL CONSULTANTS LIMITED | Private company limited by shares | Live |
| UNITED PROFESSIONAL COURIER COMPANY LIMITED | Private company limited by shares | Live |
| United Professional Fastpitch Co. Limited | Private company limited by shares | Dissolved |
| Unity Professional Limited | | Live |
| UNIVERSAL PROFESSIONAL LIMITED | Private company limited by shares | Live |
| UNIVERSAL PROFESSIONAL GLASS LIMITED | Private company limited by shares | Dissolved |
| UNIVERSAL PROFESSIONAL MOVING LIMITED | Private company limited by shares | Live |
| UNIVERSAL PROFESSIONAL PROPERTY MANAGEMENT AND PESTECH LIMITED | Private company limited by shares | Dissolved |
| U-Road Professional Education Limited | Private company limited by shares | Live |
| PROFESSIONAL PROPERTIES (HAPPY VALLEY) LIMITED | Private company limited by shares | Live |
| PROFESSIONAL VALUATION & SURVEYING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Versatile Professional Company Limited | Private company limited by shares | Live |
| VIAN PROFESSIONAL MANAGEMENT LIMITED | Private company limited by shares | Live |
| The Vibes Professional Limited | | Live |
| PROFESSIONAL VIDEOTAPES LIMITED | Private company limited by shares | Live |
| PROFESSIONAL VIEW LIMITED | Private company limited by shares | Dissolved |