Berkessy joined Ferencváros in 1928, and with them he was the champion of Hungary twice, in 1927-28 and in 1931-32, helping his team winning the championship with a 100 percent result in the 1931-32 season.

He won the Catalonia Cup with FC Barcelona both in the 1934–35 and in the 1935-36 season.

[2] Berkessy finished his player career in France with Le Havre AC of Division 2.

Between 1941 and 1947 he coached four other Hungarian teams (Salgótarján Miner, Szegedi VSE, Ferencváros, Szegedi AK), but the highlight of his coaching career came in Italy with Vicenza Calcio, A.S. Biellese 1902,[3] Rosignano Calcio[4] and Spain with Real Zaragoza, RCD Espanyol and Sabadell.

[5] He also became the first foreign manager in the Football League in 1954 with Grimsby Town F.C.