GRAT is an architecture studio based in Igualada, Barcelona, ​​founded in 2024 by Guillem Elvira. He graduated as an architect from the Polytechnic University of Catalonia in 2017 and began his professional career by combining independent practice with collaborations with Xavier Andres. Between 2019 and 2021, he founded his first studio, UNA Arquitectura, exploring new approaches to architectural practice.
In parallel, he played an active role in supporting emerging architects as Vice President of the AJAC Association (2020-2024). At the end of 2024, he consolidated his experience and vision by establishing GRAT, his current studio, where he develops projects that integrate innovation, territorial sensitivity, and a strong commitment to the environment.