Step 1: applying for NEN 4400-2 certification

  • You apply to the Stichting Normering Arbeid (SNA).
  • Apply to CLIB with an application form which you send to with the accompanying documentation.
  • Once the SNA has given approval, CLIB assesses the application.
  • On approval, you will be sent a contract and invoice.

Step 2: scheduling inspections

  • Once we have received the contract and payment, we will contact you.
  • This means that we will make an appointment for the first full inspection.
  • We will send you confirmation of the appointment.

Step 3: the NEN 4400-2 inspection

  • The inspection will be conducted on the appointed day.
  • The inspector will come to your registered office (outside the Netherlands) and will explain how the day will be structured.
  • At the end of the day, the inspector will share initial impressions.
  • When applicable, there will be a further inspection with the Dutch intermediair to complete the inspection

Step 4: completing the inspection

  • We will send you an inspection report.
  • Depending on the issues arising, major and minor points, a follow-up inspection may be proposed.
  • We report to the Stichting Normering Arbeid (SNA). If you are found to be compliant with the requirements, you will receive your certificate from the SNA.

Do you want NEN 4400-2 certification? Apply for your 4400-2 certification now.

Do you have any questions? Call us at +31 88 89 44 002 or send an E-mail to