Committed to Quality and Excellence

Since 1987 we have made quality and safety our key values, putting together a growing team of professionals covering every area of rehabilitation and restoration. This allows us to guarantee the excellence and rigor to which we are committed in each project.

We approach every job in a holistic way, adding value with our highly qualified workforce. Our references and accolades are unique in the sector and are appreciated internationally. We put the knowledge and experience acquired over more than 35 years into assuring quality and successful outcomes in the projects we perform.

A Journey Through our Heritage

We have been fortunate enough to take part in the restoration of hundreds of buildings in our historic town centers. A portfolio of references including over 40 interventions on World Heritage buildings, ensembles, and landscapes.


We work with public and private clients that value the accreditations and quality marks which qualify our firm to perform conservation projects on unique heritage assets. We have a track record that is widely appreciated as a result of our having undertaken work for prestigious clients in the insurance, institutional, and heritage sectors, as well as for housing associations that rely on word of mouth for their renovation projects.

Our staff engage with each project, putting their experience at the service of a successful outcome.

Public organizations

Institutions and private entities



We have been distinguished with various honors over our company’s history.

We may highlight recognitions of our work in the Europa Nostra awards, with a special mention in 2016 in the Dedicated Service to Heritage category, and in 2018 in the Conservation category, through which the international jury honored our team’s excellent restoration of the facade of the College of San Ildefonso at the University of Alcalá de Henares, highlighting the sensitive recovery of the historical patina on the stonework. We have also received awards linked to environmental protection and worksite safety.

Restauración del Palacio Pereira en Santiago, Chile

Quality and Accreditations

We have the highest company rating in the field of restoration of historic and artistic heritage and ornamentation as well as in all other subcategories of construction in Spain, Portugal, Chile, and other countries we work in.

As part of our commitment to excellence, we were the first in the sector to implement health & safety, quality, and organizational management systems in accordance with company policy and the standards ISO 14001-2015 (Environmental Management), ISO 9001-2015 (Quality), and ISO 45001-2018 (Health & Safety Management).



KALAM’s Craft Trade School – EOAK – is geared to in-house practitioners and their professional growth through a continuous training and skills upgrade program and to external pupils through agreements entered into with universities and restoration and trade schools.

Through EOAK we also organize talks and workshops aimed at postgraduates, fine arts graduates, restorers, and architects on heritage restoration practice and historic building refurbishment. With this initiative we seek to preserve traditional trades and techniques, a key aspect in the proper conservation of historic buildings.



We see working in the field of art and cultural property, in which we have accumulated a wealth of experience, as a privilege.

We regularly produce special publications so as to share subjects of interest with heritage stewards and architects; we sponsor, coordinate, and take part in technical workshops and seminars through which we disseminate our know-how; we conduct research projects and engage in initiatives linked to cultural heritage in the academic, institutional, and civil-society spheres.

Activities and CSR