The competition is generously supported by:
● The Zagreb City Congregation with patronage and awards
● EURO-UNIT group
● Professor Peter Eicher, donating the award Classical Sonata for the best performance of classical sonata (for pianist only)
● Mrs. Zvjezdana Bašić foundation, donating the award for the best performance of a virtuoso piece (for pianists only)
● Croatian composers' society which helps with organization, and awards special prizes for the best performance of a piece written by Croatian composer
● City office for education supports the competition financially and helps with organization
● Cantus d.o.o.has enabled publishing of all obligatory etudes up to today
● University of Zagreb, Academy of Music
● Tourist community of Zagreb, with promotional presents for the competitors
● Croatian Cultural Heritage, Zagreb
● a-classic, audio - video recordings and publishing
● International Summer Music School Pučišća
● Chamber orchestra Szekszárd, Hungary (for violinists only)