From 2014 onwards, Mateo has embarked on three concert tours across Spain and Latin America, delivering over 80 live shows altogether. Being so young, he sold out countless shows at major venues and arenas such as the National Auditorium in Mexico City, the Luna Park Stadium in Buenos Aires, the Caupolicán Theatre in Santiago de Chile, and the Sports Centre in Madrid. He was the opening act for the British boyband One Direction in Peru, Chile and Spain as part of their 2014's Where We Are Tour. Mateo has performed on the European Spanish soundtrack of several computer-animated movies and series including Frozen and Minions. He has appeared in small roles and cameos in TV movies and series broadcast in Spain and Portugal.