| ADD-ON LIMITED | Private company limited by shares | Live |
| ADDONICS COMPUTER LIMITED | Private company limited by shares | Dissolved |
| AddonMed (H.K.) Co., Limited | Private company limited by shares | Dissolved |
| Addoo Limited | Private company limited by shares | Live |
| ADD-OON LIMITED | Private company limited by shares | Live |
| ADDOOR LIMITED | Private company limited by shares | Dissolved |
| ADDOR CAPITAL LIMITED | Private company limited by shares | Live |
| Addor Cornucopia Co., Limited | Private company limited by shares | Live |
| AdDouze Limited | | Live |
| Addoworks Limited | Private company limited by shares | Live |
| Addpharm Scientific Co., Limited | Private company limited by shares | Live |
| ADDPOINT LIMITED | Private company limited by shares | Dissolved |
| ADDPOST ONLINE LIMITED | Private company limited by shares | Live |
| ADDPOWER LIMITED | Private company limited by shares | Dissolved |
| ADDPRESS LIMITED | Private company limited by shares | Dissolved |
| ADD-PROFIT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Addreality Global Limited | Private company limited by shares | Live |
| ADDRESSING SYSTEMS PILLAR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FORTUNE ADDRESSING LIMITED | Private company limited by shares | Dissolved |
| ADDRICH COMPANY LIMITED | Private company limited by shares | Live |
| ADDRICH CORPORATION LIMITED | Private company limited by shares | Live |
| ADDRICH DEVELOPMENT LIMITED | Private company limited by shares | Live |
| ADDRICH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| ADDRICH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ADDRICH INVESTMENT LIMITED | Private company limited by shares | Live |
| ADDRICH SHIPPING LIMITED | Private company limited by shares | Live |
| ADDRISE LIMITED | Private company limited by shares | Dissolved |
| ADDRISE LIMITED | Private company limited by shares | Live |
| ADDSALES COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADDSECO LIMITED | Private company limited by shares | Live |
| Addsfit Sport Limited | Private company limited by shares | Live |
| ADDSHIP INVESTMENTS LIMITED | Private company limited by shares | Live |
| ADDSHORE LIMITED | Private company limited by shares | Dissolved |
| ADDSHORE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ADDSIZE LIMITED | Private company limited by shares | Dissolved |
| ADDSON LIMITED | Private company limited by shares | Live |
| ADDSPEED LIMITED | Private company limited by shares | Dissolved |
| Addsrocket Limited | Private company limited by shares | Live |
| ADDSTRONG INVESTMENTS LIMITED | Private company limited by shares | Live |
| ADDTAM LIMITED | Private company limited by shares | Live |
| ADDTEAM INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ADDTOP LIMITED | Private company limited by shares | Dissolved |
| ADD-TOP COMPANY LIMITED | Private company limited by shares | Live |
| ADDTOP ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Addtop Group Limited | | Live |
| ADDTOP HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| ADDTOP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ADDTRADE BUSINESS LIMITED | Private company limited by shares | Live |
| ADDUCE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| ADDUCO LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Aug-2013 |
| ADDUCT LIMITED | Private company limited by shares | Live |
| ADDUCT ESTATES LIMITED | Private company limited by shares | Dissolved |
| ADDUSE LIMITED | Private company limited by shares | Live |
| AdduXi Asia Limited | Private company limited by shares | Live |
| ADDVAL LIMITED | Private company limited by shares | Dissolved |
| ADDVALUE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG ADD-VALUE TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Addvalue Global Limited | Private company limited by shares | Live |
| ADDVALUE HOLDINGS LIMITED | Private company limited by shares | Live |
| Addvalue Industries Limited | | Live |
| ADD-VALUE PRINTING AND PAPER COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADD-VALUES LIMITED | Private company limited by shares | Live |
| ADD-VALUES TECHNOLOGY LIMITED | | Live |
| ADDVANTAGE EDUCATION LIMITED | Private company limited by shares | Live |
| ADDVANTECH LIMITED | Private company limited by shares | Live |
| ADDVENIO SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| ADDW (HK) Limited | Private company limited by shares | Live |
| ADDWAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADDWAY LIMITED | Private company limited by shares | Dissolved |
| ADDWAY CORPORATION LIMITED | Private company limited by shares | Live |
| ADDWAY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ADDWAY ENGINEERING LIMITED | Private company limited by shares | Live |
| ADDWAY HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| ADDWAY INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| ADDWAY International Company Limited | Private company limited by shares | Live |
| Addway International Investment Company Limited | | Live |
| ADDWAY INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| ADDWEALTH LIMITED | Private company limited by shares | Dissolved |
| ADD-WELL LIMITED | Private company limited by shares | Live |
| Addweup Limited | Private company limited by shares | Live |
| ADDWICK DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ADDWII CAPITAL (HK) LIMITED | Private company limited by shares | Live |
| ADDWII INDUSTRY (HK) LIMITED | Private company limited by shares | Live |
| ADDWII TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| ADDWIN LIMITED | Private company limited by shares | Live |
| ADDWISE LIMITED | Private company limited by shares | Dissolved |
| ADDWOOD LIMITED | Private company limited by shares | Live |
| ADDWORTH LIMITED | Private company limited by shares | Dissolved |
| ADDY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADDY J LIMITED | Private company limited by shares | Dissolved |
| ADDYS CO., LIMITED | | Live |
| ADDY'S FUND GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG ADDZERO TRADING LIMITED | | Live |
| ADDZEST CO., LIMITED | | Live |
| ADEA LIMITED | Private company limited by shares | Dissolved |
| ADEABAG LIMITED | | Live |
| HongKong Adeadas Technology Development Co., Limited | Private company limited by shares | Live |
| ADEAL LIMITED | Private company limited by shares | Live |
| ADEAL PRECISION CO., LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN ADEAL INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |