The first 100% International Sustainable Certificate.

A method of evaluation and certification of Sustainable Building managed by the International Council of Building and Sustainable Energy (CIES) pioneer and leader in Spain.

Through the application of this method, the sustainability of any building, both in use and new construction, as well as companies or construction products will be guaranteed, thus achieving a building adapted to climate change, providing unquestionable added value to buildings and organizations that implement it.