| ESTIGREAT COMPANY LIMITED | Private company limited by shares | Live |
| ESTILO LIMITED | Private company limited by shares | Live |
| ESTILO 33 LIMITED | | Live |
| ESTIMA LIMITED | Private company limited by shares | Dissolved |
| TOP FAIR BUSINESS ESTIMATE COMPANY LIMITED | Private company limited by shares | Dissolved |
| GOODRICH INVESTMENT ESTIMATE CO., LIMITED | Private company limited by shares | Dissolved |
| INT'L BRAND INDUSTRY ESTIMATE UNION LIMITED | Private company limited by shares | Dissolved |
| Global Estimating Software Limited | Private company limited by shares | Dissolved |
| Estimize Limited | Private company limited by shares | Live |
| ESTIN LIMITED | Private company limited by shares | Dissolved |
| ESTIN LIMITED | Private company limited by shares | Dissolved |
| ESTIN LIMITED | Private company limited by shares | Dissolved |
| Estin & Co Hong Kong Limited | Private company limited by shares | Live |
| ESTIN INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| ESTIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Estina Limited | Private company limited by shares | Live |
| ESTINA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ESTINBUY LIMITED | | Live |
| ESTIPAL LIMITED | | Live |
| Estirling Hybrid Technology Limited | Private company limited by shares | Dissolved |
| ESTIVA PTY LIMITED | Private company limited by shares | Live |
| Estival Life Company Limited | Private company limited by shares | Live |