GReD is a SME, spin-off of Politecnico di Milano university, and its staff is composed of researchers holding PhD degrees from Politecnico di Milano (Italy), providing the company with the knowledge and method necessary to tackle complex problems and solve them by means of innovative value-added solutions. GReD studies, designs and implements innovative and highly customized solutions based on geodesy and geomatics techniques, mainly in two fields of application: precise GNSS positioning and gravimetry (i.e. the measurement of the Earth gravity field). In the field of GNSS positioning, since 2016 GReD is providing, together with algoWatt S.p.A., an end-to-end monitoring solution of structure, infrastructure and ground movements called GeoGuard.