| Alpha Markets Limited | Private company limited by shares | Live |
| ALPHA MASTER LIMITED | Private company limited by shares | Dissolved |
| ALPHA MASTER LIMITED | Private company limited by shares | Live |
| MASTER ALPHA LIMITED | Private company limited by shares | Live |
| ALPHA MASTER FREIGHT LIMITED | Private company limited by shares | Live |
| MASTER ALPHA GROUP LIMITED | Private company limited by shares | Dissolved |
| ALPHA MASTER TRANSPORTATION LIMITED | Private company limited by shares | Live |
| ALPHA REFRACTORY MATERIAL CO., LIMITED | Private company limited by shares | Live |
| ALPHA MATERIALS LIMITED | Private company limited by shares | Live |
| ALPHA WINGS NEW MATERIALS LIMITED | | Live |
| ALPHA MEADOW LIMITED | Private company limited by shares | Dissolved |
| ALPHA MECHATRONICS (H.K.) LIMITED | Private company limited by shares | Live |
| ALPHA MEDIA LIMITED | Private company limited by shares | Live |
| Alpha Internet Media Limited | | Live |
| Alpha Morning Media Limited | Private company limited by shares | Live |
| Alpha Medic Group Co., Limited | Private company limited by shares | Live |
| Alpha Medical AI Limited | Private company limited by shares | Live |
| ALPHA ONE MEDICAL LIMITED | Private company limited by shares | Live |
| ALPHA BIRD MEDICAL LIMITED | Private company limited by shares | Live |
| Alpha MRI and Medical Diagnostic Center Limited | | Live |
| Alpha Medical Centre Limited | | Live |
| ALPHA MEDICAL CO., LIMITED | Private company limited by shares | Live |
| ALPHA MEDICAL IMP&EXP CO., LIMITED | Private company limited by shares | Live |
| AMS ALPHA MEDICAL & HEALTH SERVICE GROUP LIMITED | | Live |
| ALPHA INSIGHT MEDICAL LIMITED | Private company limited by shares | Live |
| Alpha Medical MRI (TST) Limited | Private company limited by shares | Live |
| ALPHA MEDIPRO LIMITED | Private company limited by shares | Live |
| ALPHA MEDITECH LIMITED | Private company limited by shares | Dissolved |
| Alpha MedTech Limited | Private company limited by shares | Live |
| ALPHA MEDY LIMITED | Private company limited by shares | Live |
| MEGA ALPHA LIMITED | Private company limited by shares | Dissolved |
| ALPHA MEGA LIMITED | Private company limited by shares | Dissolved |
| MEGA ALPHA LIMITED | Private company limited by shares | Live |
| MERCER ALPHA INVESTMENTS LIMITED | Private company limited by shares | Live |
| Mercuhoshi Alpha Limited | | Live |
| MERIT ALPHA LIMITED | Private company limited by shares | Dissolved |
| ALPHA MERIT LIMITED | Private company limited by shares | Dissolved |
| Alpha Meta Limited | | Live |
| ALPHA METAL LIMITED | Private company limited by shares | Live |
| ALPHA METAL INT'L LIMITED | Private company limited by shares | Dissolved |
| ALPHA METALS LIMITED | Private company limited by shares | Live |
| MIDAS ALPHA LIMITED | Private company limited by shares | Dissolved |
| MIDWEST ALPHA LIMITED | Private company limited by shares | Live |
| Mighty Alpha Limited | Private company limited by shares | Live |
| MILLENNIUM ALPHA LIMITED | Private company limited by shares | Live |
| MILLENNIUM ALPHA GROUP (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ALPHA MIND ASSOCIATION LIMITED | Private company limited by shares | Live |
| Alpha Miner Limited | Private company limited by shares | Live |
| MODERN ALPHA ASSET MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| Alpha Modular Limited | Private company limited by shares | Live |
| ALPHA MOLD TECH LIMITED | Private company limited by shares | Dissolved |
| MOONSHOT ALPHA LIMITED | | Live |
| ALPHA MORGAN LIMITED | Private company limited by shares | Dissolved |
| ALPHA MOTTO INT'L LIMITED | Private company limited by shares | Live |
| ALPHA MOUNT LIMITED | Private company limited by shares | Live |
| ALPHA MOVE LIMITED | Private company limited by shares | Live |
| ALPHA MOVE LIMITED | Private company limited by shares | Live |
| Alpha Multiple Cooperation Company Limited | | Live |
| ALPHA MUSIC CENTRE LIMITED | Private company limited by shares | Dissolved |
| M.W. Alpha Limited | | Live |
| NATIONAL ALPHA LIMITED | Private company limited by shares | Dissolved |
| Alpha Nature Limited | Private company limited by shares | Live |
| ALPHA NAVIGATION CORPORATION LIMITED | Private company limited by shares | Live |
| ALPHA NETWORKS LIMITED | Private company limited by shares | Dissolved |
| ALPHA NICE LIMITED | Private company limited by shares | Dissolved |
| ALPHA NIPPON (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ALPHA NOBLE LIMITED | Private company limited by shares | Live |
| NOVA ALPHA LIMITED | Private company limited by shares | Dissolved |
| ALPHA NOVA CAPITAL LIMITED | Private company limited by shares | Live |
| Alpha Nove Concept Limited | Private company limited by shares | Live |
| OCEAN ALPHA LIMITED | Private company limited by shares | Dissolved |
| ALPHA OCEAN LIMITED | Private company limited by shares | Live |
| OCEAN ALPHA LIMITED | Private company limited by shares | Live |
| ALPHA & DELTA OCEAN LIMITED | Private company limited by shares | Live |
| ALPHA OMEGA LIMITED | Private company limited by shares | Dissolved |
| ALPHA OMEGA LIMITED | Private company limited by shares | Dissolved |
| Alpha & Omega Limited | Private company limited by shares | Live |
| ALPHA TO OMEGA LIMITED | Private company limited by shares | Live |
| ALPHA OMEGA LIMITED | Private company limited by shares | Live |
| Alpha And The Omega Company Limited -The- | Private company limited by shares | Live |
| Alpha Omega Asia Limited | Private company limited by shares | Live |
| ALPHA & OMEGA (HK) SCM CO., LIMITED | Private company limited by shares | Live |
| ALPHA OMEGA COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| ALPHA & OMEGA CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| ALPHA & OMEGA GRACE LIMITED | Private company limited by shares | Live |
| ALPHA OMEGA INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| ALPHA & OMEGA (HK) LIMITED | Private company limited by shares | Live |
| ALPHA OMEGA (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| Alpha & Omega International Company Limited | Private company limited by shares | Live |
| ALPHA & OMEGA INVESTMENTS LIMITED | Private company limited by shares | Live |
| Alpha and Omega Ministries Limited | 擔保有限公司 | Live |
| ALPHA OMEGA RESOURCES LIMITED | Private company limited by shares | Live |
| Alpha Omega Solutions Limited | Private company limited by shares | Live |
| Alpha Omega Marketing Solutions Limited | Private company limited by shares | Live |
| Alpha Omega Vision Limited | | Live |
| ALPHA ONCOLOGY CENTRE LIMITED | Private company limited by shares | Live |
| OPEN ALPHA LIMITED | Private company limited by shares | Live |
| ALPHA OPTICAL COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Alpha Optical Limited | Private company limited by shares | Live |
| ALPHA OPTICAL MANUFACTORY LIMITED | Private company limited by shares | Dissolved |