| A.T.I. LIMITED | Private company limited by shares | Live |
| ATIA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ATIAD, LIMITED | Private company limited by shares | Live Commenced dormancy on 08-Aug-2000 |
| Italy ATian Beverage Co., Limited | Private company limited by shares | Live |
| ATIANMU LIMITED | | Live |
| Atianmu Global Limited | | Live |
| ATIBEN Asia Limited | Private company limited by shares | Live |
| ATIC HK Limited | | Live |
| ATIC ASIA LIMITED | Private company limited by shares | Live |
| ATIC GROUP LIMITED | Private company limited by shares | Live |
| Atica S. International Limited | Private company limited by shares | Live |
| ATICARA NETWORKS LIMITED | Private company limited by shares | Live |
| A-tick Education Limited | | Live |
| ATICO LIMITED | Private company limited by shares | Dissolved |
| SAHAR ATID DIAMONDS (HK) LIMITED | Private company limited by shares | Live |
| Atieva, Inc., Hong Kong Limited | Private company limited by shares | Live |
| Atigen Enterprise Limited | Private company limited by shares | Dissolved |
| A-TIGER LIMITED | Private company limited by shares | Live |
| EL ATIGHE GENERAL TRADING LIMITED | Private company limited by shares | Live |
| Atik Limited | | Live |
| ATIK TRADE LIMITED | | Live |
| ATIKA COMPANY LIMITED | Private company limited by shares | Live |
| ATIKA (INTERNATIONAL) CLOTHING GROUP HOLDING LIMITED | Private company limited by shares | Live |
| Atika Enterprise Limited | Private company limited by shares | Dissolved |
| ATIKA S.A. LIMITED | | Live |
| ATIKANG LIMITED | | Live |
| ATIKH Technologies Limited | Private company limited by shares | Live |
| ATILA LIMITED | Private company limited by shares | Live |
| ATILCO LIMITED | Private company limited by shares | Dissolved |
| ATILES LIMITED | Private company limited by shares | Live |
| ATILEVER INDUSTRIAL (HK) LIMITED | Private company limited by shares | Live |
| Atilla Company Limited | Private company limited by shares | Live |
| ATILLA IMPORT&EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| ATILLES LIMITED | Private company limited by shares | Live |
| ATIM Limited | Private company limited by shares | Live |
| ATIMEX LIMITED | Private company limited by shares | Live |
| ATIMO COMMUNE LIMITED | Private company limited by shares | Live |
| Atimto Limited | Private company limited by shares | Live Commenced dormancy on 01-Jan-2016 |
| ATINA LIMITED | Private company limited by shares | Live |
| ATINA Group Limited | Private company limited by shares | Live |
| A-TINA TOOLS COMPANY LIMITED | Private company limited by shares | Dissolved |
| ATINARS LIMITED | Private company limited by shares | Dissolved |
| ATING LIMITED | | Live |
| ATINS CO., LIMITED | Private company limited by shares | Live |
| at.Intervals Fine Arts Studio Limited | Private company limited by shares | Live |
| ATINWICK LIMITED | Private company limited by shares | Dissolved |
| ATINY LIMITED | Private company limited by shares | Live |
| ATIP International Limited | Private company limited by shares | Live |
| ATIR TRADING COMPANY LIMITED | Private company limited by shares | Live |
| A-Tirgus Limited | | Live |
| ATIS LIMITED | Private company limited by shares | Live |
| Atis HK Limited | Private company limited by shares | Dissolved |
| ATIS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HongKong Atisen International Co., Limited | Private company limited by shares | Dissolved |
| Hongkong Atisen Development Limited | Private company limited by shares | Live |
| ATISHA BUDDHIST SOCIETY LIMITED | Company limited by guarantee | Dissolved |
| HONG KONG ATISHA BUDDHIST SOCIETY LIMITED | Company limited by guarantee | Live |
| ATISO LIMITED | Private company limited by shares | Live |
| ATITI ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Atitlan trade Limited | Private company limited by shares | Live |
| ATITU INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ATIUM LIMITED | Private company limited by shares | Dissolved |
| Atium Bit Limited | | Live |
| ATIVA SNL LIMITED | Private company limited by shares | Live |
| ATIVA BRASIL LIMITED | Private company limited by shares | Live |