isardSAT is an R&D enterprise that provides services and solutions in the Earth Observation field. At isardSAT we develop projects that require the knowledge of the measuring instrument, which are led by engineers, and projects that require a deeper knowledge of the final product, led by scientists. We specialise in altimetry, Passive Microwaves and SAR imaging. Our mission is to achieve outstanding scientific results for the better understanding of the planet Earth. Our motto is to progress science through knowledge sharing. Our strength is our team. Highly qualified and with long term experience: some working in the field long before the company establishment. isardSAT has demonstrated expertise in all satellite mission phases: • Phase A to launch: On-board Tracking Algorithms Definition, Ground Processor Prototype (L1B prototype, Re-tracking algorithm definition) and Scientific Feasibility studies. • Commissioning: Launch and Early Operational Phase, Calibration/Validation. • Phase E, operational: Long Term Monitoring (Cal/Val), Expert Support Lab (including algorithm improvements), Scientific studies and Downstream services. • Phase F, after operations: Algorithm improvement and Data Re-processing. isardSAT has also proven experience in Project Management: Technical and Management R&D Project coordination, Proposal coordination and User Federation.