Ecosurvey® supports its clients for the authorization procedures examination in the Public Administration by environmental assessment. Technical support is aimed at obtaining permission to air emissions, water discharges into surface waters or into the public sewer, subsoil remediation projects, construction of waste treatment plants in simplified and ordinary mode, screening for the Environmental Impact Assessment and the recent Sole Environmental Authorisation (AUA). Ecosurvey® is able to assess the significant environmental aspects associated with the activities of its clients for the sectors covered by specific regulations: hazardous substances, waste water discharges, air emissions, soil and subsoil, groundwater, water consumption, energy consumption, noise, landscape. The evaluations are detailed and aimed at the gap-analisys summary that allows to Ecosurvey® clients to evaluate the efficiency of own performance and costs associated: the study allow to highlight areas amenable to improvement environmental performance.