The OPERAS Annual Report 2025 provides a detailed record of the OPERAS AISBL within 2025: News from the OPERAS bodies, activities, Special Interest Groups and projects within 2025. It provides an overview about the main services and FAIR activities as well as the engagement in Europe. OPERAS is the Research Infrastructure supporting open scholarly communication in the social sciences and humanities (SSH) in the European Research Area. Its mission is to coordinate and federate resources in Europe to efficiently address the scholarly communication needs of European researchers in the field of SSH.