Born in Zaragoza, Marta Almajano has sung in festivals and concert on five continents, including the Auditorio Nacional in Madrid, the Palau de la Música Catalana and L’Auditori in Barcelona, the Opéra Comique in Paris, the Tonhalle Zurich, Konzerthaus and Musikverein in Vienna, the Lincoln Center in New York, the Herbst Theater in San Francisco, the Brisbane Biennial, music festivals Macao, Cervantes Mexico, Granada, Flanders Art Sacre Paris, La Chaise-Dieu and the early music festivals of Stuttgart, San Maurizio in Milan, Innsbruck, Utrecht, Bruges, Antwerp, Ambronay, Saintes and Beaune, among others.
She has appeared as invited artist with groups and orchestras such as Il Giardino Armonico, Les Talens Lyriques, Orfeón Donostiarra, Ensemble Baroque de Limoges, Europa Galante, Nederlandse Bachvereniging, the New York Baroque Collegium, Philharmonia Baroque Orchestra in San Francisco and symphony orchestras of Barcelona, Tenerife, Galicia and Latvia, among others. She has worked under the direction of renowned musicians like Christophe Coin, Robert King, Gustav Leonhardt, Christophe Rousseau, Fabio Biondi, Eric Ericson, Giovanni Antonini and Christian Zacharias. She was a member of Al Ayre Español from its foundation in 1987 until 2004, the year in which the group received the Premio Nacional de Música for its musical achievements.
She has made over thirty recordings, concentrating in particular as a performer of new examples of Spanish music.
She is a professor of Historical Voice at the Escola Superior de Música de Catalunya in Barcelona.