| TERRAFORM CONSTRUCTION LIMITED | Private company limited by shares | Live |
| TERRAFORM ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TERRAFORM ENGINEERING (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| Terraform Group Limited | | Live |
| TERRAFORM INVESTMENT NISEKO HOLDING LIMITED | | Live |
| Terraform Management Limited | Private company limited by shares | Live |
| Terraform Asset Management (HK) Limited | Private company limited by shares | Live |
| Terraform Trading Company Limited | | Live |
| Terraforming Mars Limited | | Live |