FNS-Cloud aims to develop an on-demand, federated network (cloud infrastructure), supporting access and exploitation of FNS resources, integrated with other thematic clouds and the European Open Science Cloud (EOSC). In addition, FNS-Cloud fosters advanced methods and Services for user communities, making FNS data more FAIR (Findable, Accessible, Interoperable, and Reusable) and adding-value to publicly funded research for citizens.