Results of the initiative in corporate water management El Agua Nos Une of the Swiss cooperation. This publication compiles the results achieved, between 2016 and 2020, in the 4 countries of the Pacific Alliance: Colombia, Peru, Chile and Mexico, as well as in Brazil. In this period, 65 companies from various productive sectors have joined: food, agriculture, agribusiness, construction and mining, electricity generation, chemical industry, pipes, paper and cardboard, textiles, electrical appliances and aluminum. This has been an enriching collective work and exchange, based on the construction and implementation of a common action model.