| ALPHA SMART RESEARCH CO., LIMITED | Private company limited by shares | Live |
| ALPHA SMARTECH CO., LIMITED | Private company limited by shares | Live |
| Best Alpha Solution Co., Limited | | Live |
| Alpha Sports Co., Limited | Private company limited by shares | Live |
| Alpha Code Academy Limited | Private company limited by shares | Live |
| Alpha Coffee Company Limited | | Live |
| Cogent Alpha HK Limited | Private company limited by shares | Live |
| ALPHA STRIDE COLD STORAGE MANAGEMENT LIMITED | Private company limited by shares | Live |
| ALPHA COLLEGE LIMITED | Private company limited by shares | Live |
| ALPHA COLLOIDS LIMITED | Private company limited by shares | Live |
| Alpha Colour Limited | Private company limited by shares | Live |
| COLUMBIA ALPHA LIMITED | Private company limited by shares | Live |
| ALPHA COMFORT LIMITED | Private company limited by shares | Dissolved |
| Common Alpha Limited | Private company limited by shares | Live |
| Alpha Commons Limited | Private company limited by shares | Live |
| ALPHA COMMUNICATION LIMITED | Private company limited by shares | Live |
| ALPHA COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| Alpha Business Compliance Limited | Private company limited by shares | Live |
| ALPHA COMPONENT LIMITED | Private company limited by shares | Live |
| ALPHA COMPOSITES CO., LIMITED | Private company limited by shares | Live |
| ALPHA COMPUTER LIMITED | Private company limited by shares | Dissolved |
| ALPHA CONCEPT LIMITED | Private company limited by shares | Dissolved |
| ALPHA CONCEPT LIMITED | Private company limited by shares | Live |
| ALPHA ONE CONCEPT LIMITED | Private company limited by shares | Live |
| ALPHA CONCEPT HK LIMITED | Private company limited by shares | Live |
| ALPHA CONCEPT LIMITED | Private company limited by shares | Live |
| ALPHA CONCEPT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ALPHA CONCEPT INVESTMENTS LIMITED | Private company limited by shares | Live |
| ALPHA CONCEPTS LIMITED | Private company limited by shares | Live |
| Alpha Burger Concepts Limited | Private company limited by shares | Live |
| ALPHA CONCORD LIMITED | Private company limited by shares | Dissolved |
| CONCORD ALPHA LIMITED | Private company limited by shares | Dissolved |
| ALPHA CONNECTION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ALPHA CONSILIUM PARTNERS LIMITED | Private company limited by shares | Dissolved |
| ALPHA CONSORTIUM LIMITED | | Live |
| ALPHA CAPITAL CONSORTIUM LIMITED | | Live |
| Alpha Cai Construction Limited | Private company limited by shares | Live |
| Alpha - Construction Limited | Private company limited by shares | Live |
| ALPHA CONSTRUCTION NZ LIMITED | | Live |
| ALPHA DECORATE CONSTRUCTION LIMITED | Private company limited by shares | Live |
| Alpha Global Construction Limited | Private company limited by shares | Live |
| ALPHA CONSULT LIMITED | Private company limited by shares | Live |
| ALPHA CONSULTANCY LIMITED | Private company limited by shares | Live |
| AIM ALPHA CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| Alpha AI Consultancy Limited | | Live |
| Alpha Business Consultancy Limited | Private company limited by shares | Live |
| ALPHA INTELLIGO CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| ALPHA CONSULTANT COMPANY LIMITED | Private company limited by shares | Live |
| PI 2 ALPHA CONSULTANTS LIMITED | Private company limited by shares | Live |
| ALPHA CONSULTATION LIMITED | Private company limited by shares | Live |
| ALPHA CONSULTING LIMITED | Private company limited by shares | Live |
| Alpha Consulting HK Limited | Private company limited by shares | Live |
| ALPHA CONSULTING (ASIA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Alpha Business Consulting Company Limited | Private company limited by shares | Live |
| ALPHA BUSINESS CONSULTING (HK) LIMITED | Private company limited by shares | Dissolved |
| Alpha Capital Consulting Limited | Private company limited by shares | Live |
| Alpha Care Consulting Limited | Private company limited by shares | Live |
| Alpha Global Consulting Limited | Private company limited by shares | Live |
| ALPHA GLOBAL PERSONNEL CONSULTING LIMITED | | Live |
| ALPHA GROUP CONSULTING LIMITED | Private company limited by shares | Dissolved |
| Alpha Consulting Group Limited | Private company limited by shares | Live |
| ALPHA GRAND CONSULTING GROUP LIMITED | Private company limited by shares | Live |
| Alpha Intelligence Consulting Limited | | Live |
| Alpha International Consulting Limited | Private company limited by shares | Live |
| ALPHA CONSULTING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Alpha Management Consulting Company Limited | Private company limited by shares | Live |
| Alpha Asia Management Consulting Limited | Private company limited by shares | Live |
| ALPHA & OMEGA CONSULTING ENGINEERS LIMITED | Private company limited by shares | Live |
| Alpha Projects Consulting Company Limited | | Live |
| Alpha Selection Management Consulting Company Limited | Private company limited by shares | Live |
| ALPHA CONSULTING AND TRADING LIMITED | Private company limited by shares | Live |
| ALPHA VOICE CONSULTING INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| ALPHA CONTEMPO LIMITED | Private company limited by shares | Live |
| ALPHA CONTRACTING LIMITED | Private company limited by shares | Live |
| Alpha Contractors Limited | Private company limited by shares | Live |
| Alpha Intelligence Core Limited | Private company limited by shares | Live |
| Alpha Corporate Consultancy Limited | Private company limited by shares | Live |
| Alpha Sea Corporate Service Limited | | Live |
| ALPHA CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Max Alpha Corporation Limited | Private company limited by shares | Live |
| ALPHA CORPORATION LIMITED | Private company limited by shares | Live |
| GRAND ALPHA CORPORATION LIMITED | Private company limited by shares | Live |
| ALPHA INTERNATIONAL CORPORATION LIMITED | Private company limited by shares | Live |
| ALPHA MARK CORPORATION LIMITED | Private company limited by shares | Live |
| ALPHA TIME CORPORATION LIMITED | Private company limited by shares | Dissolved |
| ALPHA TIME CORPORATION LIMITED | Private company limited by shares | Live |
| CORSTONE ALPHA COMPANY LIMITED | Private company limited by shares | Live |
| ALPHA COSMOS LIMITED | Private company limited by shares | Dissolved |
| COSMOS ALPHA (HONG KONG) LIMITED | Private company limited by shares | Live |
| Alpha CoWork Limited | Private company limited by shares | Live Commenced dormancy on 13-Oct-2017 |
| ALPHA CREATE COMPANY LIMITED | Private company limited by shares | Live |
| ALPHA CREATE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| ALPHA CREATION LIMITED | Private company limited by shares | Live |
| ALPHA CREATION COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| ALPHA CREATION PARTNERSHIP LIMITED | Private company limited by shares | Live |
| Alpha Plus Creation Limited | Private company limited by shares | Dissolved |
| Plus Alpha Creation Co., Limited | Private company limited by shares | Live |
| ALPHA TECHNOLOGY CREATION LIMITED | | Live |
| Alpha Creative Limited | Private company limited by shares | Live |
| CROWN ALPHA LIMITED | Private company limited by shares | Dissolved |