This article presents a vision for a scholarly communication research infrastructure for social sciences and humanities (SSH). The COVID-19 pandemic has highlighted the pressing need to access research outputs without the traditional economic and temporal barriers. This article explores the current scholarly communication landscape, assessing the reasons for the slower uptake of open access in SSH research. The authors discuss such frontiers as commercial interests, sources of academic prestige and discipline-specific genres. This article defines and discusses the key areas in which a research infrastructure can play a vital role in making open scholarly communication a reality in SSH: (1) providing a federated and easy access to scattered SSH outputs; (2) supporting publication and dissemination of discipline-specific genres (e.g. monographs, critical editions); (3) providing help with evaluation and quality assurance practices in SSH; (4) enabling scholarly work in national languages, which is significant for local communities; (5) being governed by researchers and for researchers as a crucial factor for productive, useful and accessible services; (6) lastly, considering the needs of other stakeholders involved in scholarly communication, such as publishers, libraries, media, non-profit organisations, and companies. They conclude that a scholarly-driven, inclusive, dedicated infrastructure for the European Research Area is needed in order to advance open science in SSH and to address the issues tackled by SSH researchers at a structural and systemic level.