Its first task is the promotion and support of ethics and integrity policies. The various government sectors are supported in setting up and implementing ethics and integrity policy via workshops, conferences and free provision of useful information.

The second task is the collection, dissemination and exchange of knowledge. As a knowledge institution, the National Integrity Office strives to provide all governmental organisations with useful knowledge. The Office actively monitors national and international developments in the area of integrity, tracks national and international best practices, participates in research projects, carries out academic studies and issues publications.

The third and last task is the development of integrity instruments. The Office is constantly developing instruments that can be used to discuss, test or improve integrity within the organisation. The Office does not only (co)develop instruments and models but also promotes similar initiatives among third parties and participates if required.