The firm carries out its professional activity in the design and execution of architectural products in the fields of infrastructures, urbanism, public space, collective and individual housing, the design of offices and work centers, industrial construction, temporary architecture and exhibition design, and collaborations with artists, both in the private and public sectors. The firm is currently developing projects in Spain and abroad.

Founded in 2006, with offices in the center of Madrid, the founding partners and directors of the office are the architects Uriel Fogué Herreros, Eva Gil Lopesino, and Carlos Palacios Rodríguez. All three have collaborated previously with well-known architecture offices with international prestige and they currently combine their professional practice at elii with teaching (at different Universities in Spain and internationally) and publishing (UHF magazine).