STRUCTURE AND ACTIVITIES ACS is Italian SME, whose core business is focused on turn-key ground solutions for EO multi-mission payload data acquisition and processing systems, applications and services in the last 30 years. Today ACS is renowned by national and international Space Agencies, Industries, Universities and Research Institutes as trusted supplier, reputable competitor and/or reliable partner. Technology forms the basis of ACS core solutions thanks to continuous technological research, strategic understanding of the market, hands-on knowledge and innovation. The ability to develop complex systems (performing, scalable, modular, permitting future upgrades and evolution) is accompanied with an effective project management compliant with ISO procedures and ECSS standards. MAIN PRODUCTS AND SERVICES Multi-mission Payload Ground Station uses common infrastructure with addition of mission specific modules to handle Landsat 1-7, SPOT 1-4, ERS-1/2, JERS, XSAR, NOAA AVHRR, MOS-1, Terra-MODIS, RADARSAT, ENVISAT, GOCE, CRYOSAT, ADM-AEOLUS, CRYOSAT II…data. ACS Ground Stations can be deployed as large, medium or compact configurations according to specific performance needs. Functionalities, facilities and tools can be offered as whole or separately e.g. monitoring & control, ingestion, processing (optical and radar instruments), enhanced user interfaces, mission analysis and planning, web access to catalogue, custom tailored (scalable) archive, test data generation, calibration/validation and quality control. ACS is providing operational and long term maintenance support services for their ground systems EO Applications for: monitoring of vegetation, volcano eruptions, desertification; forest mapping, detection of marine pollution, environmental risks and disaster prevention, cartography and DEM production, urban expansion control in coastal zones, applied Interferometry, Web-based user applications, EO Image Information Mining.