Architecture and Urbanism Consultant architects


Our constant commitment to quality and environment for more than 30 years of professional experience has led us to be the first technical architectural practice in Madrid to have a Comprehensive Management System backed by four Quality Certificates:

Exp_09_17_LOGO_ISO 9001_24jun2010_YLEON-WEB150

ICCL Quality Certified System
Quality Management Certificate based on ISO 9001:2008, according to internationally recognised management indicators and accredited by ENAC (Spanish National Accreditation Board) for technical practices.

Exp_09_17_LOGO_ISO 14001_24jun2010_YLEON-WEB150

ICCL Environment Certified System
Environment Management Certificate based on ISO 14001:2004.

Exp_09_17 _LOGO_ISO 14006_20sep2012_  Y LEÓN -WEB150

ICCL Ecodesign Certified System
Ecodesign Certificate based on ISO 150301 that assures control of environmental indicators during the project planning.


Certifies the level of efficacy achieved by the practice by incorporating cost control to quality management.