Our mission
The NSSO collects and manages employer and employee social contributions used to finance the various branches of social security. It collects and distributes the basic administrative data for other social security institutions.

You wish information on...
- how to register as a new employer
- the certificates offered by the NSSO
- your payments
- the overseas social security (only in Dutch or French)
- the social security for seafarers
- our privacy policy (in French).
On the social security portal
- Administrative instructions of the NSSO
- All online services for employers
- Techlib : Technical information for Dimona and DmfA