APRIA Systems is a technology-based company located in the north of Spain (Cantabria). It was established in March 2006 as a spin-off of the Advanced Separation Processes R&D group of the University of Cantabria. APRIA is awarded by the Spanish Ministry of Competitiveness with the seal “INNOVATIVE SME”. Its activity is strongly focused on innovation to provide sustainable advanced solutions through cutting-edge technologies based on advanced oxidation processes and membrane technologies. Therefore, APRIA is continuously updating and upgrading its know-how through important R&D investment efforts to provide the most innovative solutions. APRIA Systems has hired highly specialized human resources. The company staff includes 12 engineers and PhDs with a broad experience in developing innovation projects focused on improving and upgrading industrial processes related to water treatment and reuse. During the last years, APRIA achieved significant participation in European projects, coordinating H2020 and LIFE projects, and participating in Interreg SUDOE, Interreg Atlantic and PRIMA projects.