| Ideasource Limited | Private company limited by shares | Live |
| IDEASOURCES LIMITED | Private company limited by shares | Live |
| IDEASPARK LIMITED | Private company limited by shares | Live |
| ideaSparks Limited | Private company limited by shares | Live |
| IDEASSOCIATES ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| IDEASTACK LIMITED | Private company limited by shares | Live |
| IDEASTAR INVESTMENT LIMITED | Private company limited by shares | Live |
| IDEASTORE LIMITED | Private company limited by shares | Live |
| Ideastower Advertising Limited | Private company limited by shares | Live |
| IDEASUB DIGITAL GRAPHIC CO., LIMITED | Private company limited by shares | Live |
| IdeasYes Technology Co., Limited | Private company limited by shares | Dissolved |