National customs systems no longer exist in isolation. They are inter-connected with national system, pan-national systems and commercial operators such as the port community systems. CustomsWare includes support for the customs-specific functionality of these critical port systems:
| Country | Port Systems | Status | |||
 NL |
Portbase | Cargonaut |  |
||
 BE |
APCS | TUL | BRUCLoud | |
|
 DE |
Dakosy | Dbh | |
||
 GB |
MCP | CNS | CCS-UK | Pentant | |