On the 23 October 2019, Research Centre of the Slovenian Academy of Sciences and Arts (ZRC SAZU) organized a peer review in the frame of the Posting of Workers in Eastern Europe (EEPOW) project. The focus of the peer review was on the occupational safety and health of posted workers in the European Union. The event was opened by Mojca Vah Jevšnik, ZRC SAZU, and our colleague Sonila Danaj. The first session focused on the Slovenian case with three presentations: OSH-related vulnerabilities of posted workers by Mojca Vah Jevšnik, ZRC SAZU, Ljubljana; Providing safe and healthy working conditions of posted workers by Katarina Železnik Logar, Institute for Occupational Safety, Ljubljana; and What is a (much too often) daily reality of the OSH for posted workers? by Goran Lukič, Counselling office for workers, Ljubljana. In the next session, Rossana Cillo, University of Venice Ca‘ Foscari and Piotr Mazurek, Fair Mobility Project, presented the cases of Italy and Germany, respectively, as peer countries.