Are company numbers or national register numbers checked during registration?

Last verified:

There is no access restriction on company numbers or national register numbers at the time of registration.

There is no access restriction on company numbers or national register numbers at the time of registration. Every registration is accepted, but checks are carried out afterwards and any irregularities are flagged by the system.

Content derived from www.socialsecurity.be.

Start with CIAO Connect—for free

Set up your account and discover your company’s complete situation.

  1. Create your account

    Verify your email and confirm your company details.

  2. Connect to the NSSO

    Follow the guided connection instructions and add your Declaration of Works (DDT) numbers.

  3. Discover your dashboard

    Import your data to see the complete overview of your situation and identified errors.

What is included for free?

Onboarding and access to the complete dashboard overview. Free guidance is limited to 2 person-related errors and 1 DDT-related error.

Help is always within reach

You can open the chat widget at any time during onboarding to ask for help.

Check your NSSO registrations for free

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