The present call for tender concerns the setting up of a publishing platform for scientific articles as a service for Horizon 2020 beneficiaries. The Platform will provide an open access publishing venue without cost to the beneficiaries of Horizon 2020. The platform will manage the entire publication process, from submission to publication, post-publication curation and preservation, of original articles stemming from Horizon 2020 funding and will implement an open peer-review system. It will also host pre-prints. Published articles and hosted pre-prints will be openly available to all researchers and citizens. Tenderers are called to customize an existing publishing infrastructure solution to the requirements of the European Commission, to develop processes and policies to run the platform as a service, to engage in communication activities for the Platform and to run the service and publish articles in the Platform. The tender is for a Framework Contract with a duration of 4 years.