The EU-MERCI project aims to enhance energy efficiency in the European industry by providing coordinated methods and real-case procedures, supported by funding from the EU's Horizon 2020 program. The Italian Federation for the Rational Use of Energy (FIRE) plays a crucial role in promoting energy efficiency, supporting various stakeholders including public authorities and energy companies, and managing certifications for energy management experts. The project emphasizes the importance of integrating energy efficiency into core business practices and provides resources and good practices to facilitate its implementation across industries.