| DATALINK LIMITED | Private company limited by shares | Dissolved |
| NEW DATALINK LIMITED | Private company limited by shares | Live |
| DATALINK LIMITED | Private company limited by shares | Dissolved |
| DATALINK LIMITED | Private company limited by shares | Live |
| DATALINK COMMUNICATION CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| DATALINK COMMUNICATION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| DATALINK COMMUNICATIONS SERVICES COMPANY LIMITED | Private company limited by shares | Live |
| DATALINK COMPUTER LIMITED | Private company limited by shares | Dissolved |
| DATALINK COMPUTER SYSTEMS LIMITED | Private company limited by shares | Live |
| DATALINK CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| DATALINK CORP. LIMITED | Private company limited by shares | Dissolved |
| DATALINK CYBERWORK LIMITED | Private company limited by shares | Dissolved |
| DATALINK DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| DATALINK DEVELOPMENT LIMITED | Private company limited by shares | Live |
| DATALINK ENTERPRISES LIMITED | Private company limited by shares | Live |
| HI-SPEED DATALINK COMPANY LIMITED | Private company limited by shares | Dissolved |
| FLIGHTSTAT DATA-LINK (HK) LIMITED | Private company limited by shares | Dissolved |
| DATALINK HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| DATALINK SYSTEMS (HOLDINGS) LIMITED | Private company limited by shares | Live |
| DATALINK (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Hong Kong DataLink Technology Limited | Private company limited by shares | Live |
| DATALINK INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| DATALINK INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| DATA-LINK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DATALINK OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| DATALINK RECRUITMENT LIMITED | Private company limited by shares | Dissolved |
| DATALINK SOFTWARE LIMITED | Private company limited by shares | Live |
| DATALINK BUSINESS SOLUTIONS LIMITED | Private company limited by shares | Live |
| DATA-LINK STOCKLOTS LIMITED | Private company limited by shares | Dissolved |
| DATALINK TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| DATALINK TECHNOLOGY LIMITED | Private company limited by shares | Live |