At the end of 2016 CIAS COM began to provide technical assistance to the Hospital Clínic de Barcelona, carrying out in the initial stage the quality auditing of the cleaning to find out the current situation of this service in the buildings making up the Hospital. During this audit ATP and ultraviolet light controls have also been carried out to ensure that the clean areas have also been disinfected. The second stage of the project consists of providing a technical study so as to analyse the organisation of the cleaning service and to be able to provide possible improvements to the servic