Freddie De Tommaso shot to prominence when he won the First Prize, the Placido Domingo Tenor Prize and the Verdi Prize at the 2018 Viñas International Singing Competition in Barcelona. 

Since then, he has performed at the Royal Opera House, Covent Garden, Bayerische Staatsoper, Dutch National Opera in Amsterdam, Wiener Staatsoper.

Following the Viñas competition, De Tommaso was invited to appear in concert at Teatro Real, Madrid and in recital in Vilagarcia, Spain. Other performances included concerts with the Georg Solti Accademia in Tuscany and a gala concert at the Victoria Hall, Geneva. 

He debuted at the Bolshoi Theatre as Cavaradossi (Tosca), 2021.