| ACON LIMITED | Private company limited by shares | Dissolved |
| ACON LIMITED | Private company limited by shares | Live |
| ACONBURY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACONDA LIMITED | Private company limited by shares | Dissolved |
| Aconex (Asia) Limited | Private company limited by shares | Live |
| Aconex (Global) Limited | Private company limited by shares | Live |
| ACONGEL ( HK ) LIMITED | Private company limited by shares | Live |
| ACONLAN LIMITED | Private company limited by shares | Dissolved |
| ACONMADE Company Limited | Private company limited by shares | Dissolved |
| Aconnec Limited | Private company limited by shares | Live |
| a-connect (Asia) Limited | Private company limited by shares | Live |
| ACONNIX TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| ACONOST FLOW CONTROL UK CO., LIMITED | Private company limited by shares | Live |
| Aconplex Co. Limited | Private company limited by shares | Live |
| Aconplex Marble Engineering Limited | | Live |
| Aconplex Marble Limited | | Live |
| ACONS LIMITED | Private company limited by shares | Live |
| Acontis Limited | Private company limited by shares | Live |