| A.R.P. (SOUTH EAST ASIA) LIMITED | Private company limited by shares | Dissolved |
| ZENITH (ARP) LIMITED | Private company limited by shares | Dissolved |
| ARPAD LIMITED | Private company limited by shares | Live |
| ARPADIS ASIA LIMITED | Private company limited by shares | Dissolved |
| Arpadis Asia Limited | Private company limited by shares | Live |
| ARPALM Limited | | Live |
| ARPANDO GLOBAL LIMITED | | Live |
| ARPARNAR INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| Arpcomm Technologies Limited | Private company limited by shares | Live |
| Arpe (Hong Kong) Holding Limited | Private company limited by shares | Live |
| ARPE PATENTS AND TRADEMARKS LIMITED | Private company limited by shares | Live |
| ARPEE LIMITED | Private company limited by shares | Dissolved |
| ARPEGGIO LIMITED | Private company limited by shares | Dissolved |
| ARPEGGIOS COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| ARPEGIO DELIGHTS LIMITED | Private company limited by shares | Live |
| ARPETTE LIMITED | Private company limited by shares | Live |
| ARpha Limited | Private company limited by shares | Live |
| ASIA ARPHAA COMPANY LIMITED | Private company limited by shares | Dissolved |
| ARPI COMPANY LIMITED | Private company limited by shares | Live |
| Arpi Solar Systems HK Limited | Private company limited by shares | Live |
| Arpian Limited | | Live |
| ARPINO LIMITED | Private company limited by shares | Dissolved |
| ARplus Limited | Private company limited by shares | Live |
| ARPOL LIMITED | Private company limited by shares | Dissolved |
| ARPPU LIMITED | Private company limited by shares | Live |
| AR.Project Management Service Limited | Private company limited by shares | Live |
| ARPSGROUP CO., LIMITED | | Live |
| Arptech Limited | | Live |
| ARPU Medical Imaging Limited | | Live |
| ARPU Professional Consultancy Company Limited | Private company limited by shares | Live |