CSO Arquitectura is an architectural brand based in Madrid, Spain, founded in 1999 by architect Javier de Antón Freile. With a multidisciplinary team of professionals, the brand is committed to creating innovative, sustainable, and well-designed architectural projects. Their services encompass a range of projects, including custom-designed single-family homes, energy-efficient homes, certified Passivhaus prefabricated houses, geriatric buildings, interior renovations, and office buildings.

They prioritize excellent customer service and believe in constant communication to ensure project success. CSO Arquitectura specializes in Passivhaus certification, with the distinction of creating Spain's first Passivhaus-certified geriatric residence and being among the first fifteen in the world. They also combine design and energy efficiency in various residential projects, adhering to Passivhaus standards.

In collaboration with Tekton, CSO Arquitectura offers a system for constructing certified Passivhaus prefabricated homes. Their modular homes, made with a steel structure, enable fast execution and can be customized to meet each client's needs. Highlighted projects include the Passivhaus-certified geriatric residence, a vineyard house, Levitt La Moraleja, and Passivhaus Boadilla del Monte.

CSO Arquitectura has received recognition and awards for their sustainable and innovative architectural designs, including the D+I Innovation Awards 2021 and the Architecture Plus Sustainability Award 2021. If you're looking for an architecture brand that integrates design, sustainability, and innovation, CSO Arquitectura is an excellent choice. Contact them via their Madrid office for exceptional architectural solutions