This case report summarizes smart practices used by five European anti-corruption agencies operating in Slovenia, Macedonia, Serbia, Latvia and Romania, and presents them for possible application by the National Agency for Prevention of Corruption of Ukraine. Amongst other things, the report concentrates on issues of institutional architecture, provides analysis of key preventive mechanisms, including asset declaration verification, conflict of interest or whistle-blower protection, and offers key lessons learned accumulated over the years. The research results from collaboration of a group of UNDP-commissioned experts.