| ADDO Company Limited | Private company limited by shares | Live |
| Addo Academy Limited | Private company limited by shares | Live |
| ADDO ELECTRONICS CORPORATION LIMITED | Private company limited by shares | Live |
| ADDO ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| ADDO SULLEY ENTERPRISE LIMITED | Private company limited by shares | Live |
| ADDOBBO COMPANY LIMITED | Private company limited by shares | Dissolved |
| ADDOILMUSIC LIMITED | Private company limited by shares | Live |
| 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 |