| Company Name | Type | Status |
|---|---|---|
| ARCS Company Limited | Live | |
| Arcserve Inc Limited | Private company limited by shares | Live |
| ArcSol Enterprises Limited | Private company limited by shares | Dissolved |
| ARCSOLVE SYSTEM LIMITED | Private company limited by shares | Live |
| ARCSON LIMITED | Private company limited by shares | Dissolved |
| ArcSource Limited | Private company limited by shares | Live |
| ARCSTONE LIMITED | Private company limited by shares | Live |