Founded in 1994, in Barcelona, Spain, Amphos21 includes three companies in Spain (1994), Chile (2009) and Peru (2012). Amphos 21 is part of RSK group since the end of 2020. We offer scientific and technical environmental consulting and engineering services in the following main business sectors: mining, nuclear, water, environment&infrastructures. sustainability&climate change to clients all over the world. We combine field and lab activities, expert desk work and development of tailored digital solutions to help our clients. Our team is highly qualified, multidisciplinary, multicultural and used to face difficult technical and scientific challenges. We have in-house conceptual and numerical capabilities and the team is internationally recognised by hydrogeochemical conceptual and numerical modelling in all the business sectors we serve. We have a strong R&D&i component and strong link with universities and research institutions all over the world