| Company Name | Type | Status |
|---|---|---|
| PROTOS LIMITED | Private company limited by shares | Dissolved |
| Protos Limited | Private company limited by shares | Live |
| Protos Limited | Live | |
| PROTOS DESIGN LIMITED | Private company limited by shares | Dissolved |
| Protoscapes Limited | Private company limited by shares | Live |
| Protoss Capital Limited | Private company limited by shares | Live |
| PROTOSTAR SOLUTION LIMITED | Private company limited by shares | Live |
| Protostar Tech Limited | Private company limited by shares | Live |