The rating is the result of a major survey of more than 25,000 people, including experts, businesses and citizens. (Go to ranking)

Merco is a reference in monitoring reputation in Spain and Latin America. Its independence and impartiality are guaranteed by its five assessments and 18 consulted stakeholders, as well as the independent review of their results carried out by KPMG in accordance with the ISAE 3000 standard.

This year, Merco polled 25,800 people, including 4,168 experts. These include managers belonging to steering committees, financial journalists, business professors, financial analysts, opinion leaders, influencers, NGOs, trade unions, consumer groups, HR managers, head-hunters, etc.; as well as 21.632 citizens and employees of large companies.

ACCIONA, the Infrastructure Company with the best Corporate Reputation in Spain