[4][7] For over three years, Mateo starred as a regular on children's TV show Menuda Noche [es], where he stood out for his strong vocal abilities and stage presence.

Around age ten, he signed a recording contract with EMI Music Spain and released a debut self-titled album, Abraham Mateo.

[18][19] Recently, he released "Háblame Bajito" with 50 Cent and Austin Mahone and "Se Acabó El Amor" with Yandel and Jennifer Lopez.

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 has collaborated with numerous other artists, including Farruko, Jennifer Lopez, Yandel, Luis Fonsi, Sofia Reyes, Becky G, Manuel Turizo, Pitbull, 50 Cent, Austin Mahone, CNCO, Leslie Grace, Gabriela Sepúlveda, Ha*Ash, Lali Espósito, Carlos Rivera, Río Roma, CD9, Dvicio, Alejandro Sanz and Malú.

Mateo has co-written many of his own hits with notable musicians such as Claudia Brant, Damon Sharpe, Poo Bear, Lindy Robbins, Lauren Christy, Eric Sanicola, Jacobo Calderón, Descemer Bueno, Mónica Vélez, The Jackie Boyz, Mario Domm, Jörgen Elofsson, Andre Merritt, Aris Archontis, José Luis Roma, John Reid and Talay Riley.

Early 2009, around age ten, he signed a recording contract with EMI Music Spain, releasing in December of the same year his self-titled debut album, Abraham Mateo.

[2][42][43][44] The album, recorded in Madrid, includes original ballads written by his producer Jacobo Calderon, covers of songs by Raphael, Alejandro Sanz, Laura Pausini, and Luis Fonsi, as well as a duet with the French singer Caroline Costa.

[26] After the release of his debut album, he continued covering songs in Spanish,[45][46] Italian,[47] and English (including a duet with Sabrina Carpenter)[48][49] and then uploading the videos to YouTube.

[8] The album was recorded in Madrid and Miami and marked a turn in his music towards pop and electropop, dance elements, and Spanglish lyrics.

[59] In November 2014, he gave his first concerts in Latin America: at Sala Omnium, in Santiago, Chile and at a sold-out 7,000-seat Luna Park arena, in Buenos Aires, Argentina.

[21] Mateo performed "La puerta hacia el amor" (English: "Love Is An Open Door") for the European Spanish soundtrack of 2013 Disney's film Frozen.

[68] In January 2015 he received the "Premio a la identidad isleña" (Islander Identity Prize), which was awarded by the city hall of San Fernando, Cádiz, his birthplace.

In March 2015, he traveled to London and Los Angeles to write songs for a new album in collaboration with Poo Bear, Damon Sharpe, Jörgen Elofsson, Lindy Robbins, Talay Riley and Julian Emery.

The album showcases Mateo's songwriting skills and stands out with its mixture of British pop vibe, reggae touches, R&B and mature lyrics.

Included on the album were the singles "Old School", "Are You Ready", "Así Es Tu Amor", "When You Love Somebody", "Mi Vecina", and "Mueve", featuring Argentinian singer Lali.

[61] In October 2016, he held his most important concert so far at a sold-out 10,000-seat National Auditorium in Mexico City, featuring guest appearances by CNCO, Dulce María, Mau & Ricky, and Rio Roma.

[18] In December 2017, he released a second single called "Háblame Bajito" featuring rap legend 50 Cent and pop singer Austin Mahone.

[79] In January 2018, Mateo appeared, along with Puerto Rican urban singer Lary Over, on Farruko and Jacob Forever's remix of "Quiereme".

[80] In January 2023, he was confirmed as one of the presenters of the new RTVE musical talent show called Cover Night, along with Ana Guerra and Ruth Lorenzo.

[81] In July 2023, he took part in the third edition of La Velada del Año, defeating Spanish YouTuber Ampeter by split decision in the opening match of the night.

[84] Later in the year, Mateo competed in the fourth season of Mask Singer: Adivina quién canta as "Mosca" (Fly) and won.

[86][87] This version was written entirely in Spanish by Abraham Mateo, alongside Dennis Matkosky, José Cano, Max Borghetti, and Michael Sembello.

These songs not only showcase his powerful interpretive talent, which leaves no room for rest, but also highlight the evolution of an artist increasingly comfortable as both a composer and producer.