This report focuses on how mainstreaming of integration governance is put in practice in the Netherlands. How does mainstreaming work in practice, and what are the main (perceived) effects of mainstreaming? This analysis builds on earlier reports on how mainstreaming should be defined in the field of integration governance (Van Breugel, Maan and Scholten 2014) and on why integration policies are being ‘mainstreamed’ in the Netherlands (Maan, Van Breugel and Scholten 2014).