Laia was born and grew up in Girona. She read Catalan Philology at the University of Girona, and went on to study music theory and piano at the Conservatori Superior de Música del Liceu in Barcelona and CNR Perpignan. She began her vocal studies under Titon Frauca and, compelled by her interest in performing early music, she specialised in Cant Històric at the Escola Superior de Música de Catalunya in 2009, where she was taught by Martha Almajano. She has been studying under mezzo-soprano Mireia Pintó since then. In 2007 and 2008, she was awarded a scholarship by the Victoria de los Ángeles Foundation. In 2014, she was awarded a "Bach Prize" by Bach Zum Mitsingen.
Laia has participated in masterclasses with singers who specialise in early music, such as Nancy Argenta, Lynn Dawson, Kurt Widmer, Gerd Türk, Kurt Widmer, Carlos Mena and Rosa Domínguez.
She has also taken part in several European internship programmes: l’Académie Concert d’Ambronay, the Géneration Baroque with Le Parlement de Musique, La Nuova Fabbrica dell'Opera Barocca and the Academy for Professional Training, Research and Musical Performance with Jordi Savall.
She is a member of the choir Vozes Al Ayre Español and has recorded two albums with Le Choeur de Chambre de Namur for Ambronay Éditions (2010: Diapason d'Or, and 2012).
As a soloist, she has sung under the direction of Leonardo García Alarcón, Luca Pianca, Lorenzo Coppola, Alfredo Bernardini, Jean Tubery Martin Gester, Dani Espasa, Juan de la Rubia, Xavier Puig, Manel Valdivieso, Josep Vila, Enrique Azurza i Jordi Mora among others, and consequently, has performed all over Spain and in the most prestigious early music festivals in Europe. In 2009, she toured Spain as the soloist in Mahler’s Fifth Symphony with the Orquesta de Solistas Presjovem. Together with pianist Bensmail Lamia, she has performed in numerous concert halls in Spain. She has performed as a soloist with a lot of orchestras: L'Incontro Fortunato, OSV, OCIM, Vespres d'Arnadí, Acadèmia 1750, Orquestra de Vilafranca, Orquestra de Girona, Spira Mirabilis, Camera Musicae... She sang as a member of the resident group Méridien Ensemble at the Ambronay Festival in 2011, and at the Fabulous Fringe in Utrecht where they were awarded the audience choice award. She collaborates regularly as a soloist with several medieval music ensembles such as Canto Coronato, La Grande Chapelle and Mos Azimans.
In 2013, Laia performed as the soloist in Cantània ‘Ha Passat un àngel,’ by composer Mariona Vila, an Auditori de Barcelona educational project, at more than 30 venues around Spain. She also sang "Cantatas for the ascension day" by JS Bach and "The Messiah" by Haendel with the Orquestra Simfònica del Vallès, as well as collaborating on other projects. In opera, she sag Belinda in "Dido & Aeneas" (Purcell) and Serpina in "La Serva Padrona" (Pergolesi). She played a part in the premiere of ‘Josafat’, by composer Marc Timón and she sang in "Tandy" by Angélica Liddell.
In addition to her live performances, Laia has made a number of recordings. She appears on the album Victoria de los Ángeles canta a Nin (2009). She recorded the cantata ‘Suspende infelice’ on the album ‘Tomàs Milans Godayol - Música religiosa’ with La Xantria (Musiepoca, 2012) and ‘Una anima alemanya’ with the Ensemble Méridien (Brilliant Classics, 2014). She recorded in 2015 Bernat de Ventadorn's music with Mos Azimans.