Cos4Cloud (Co-designed citizen observatories for the EOS-Cloud) aims to address technological challenges, in the context of Open Science, shared by Citizen Observatories (COs) of biodiversity and the environment. This deliverable outlines the documentation per stakeholder audience produced in Cos4Cloud, with a particular emphasis on the documentation produced by each of the thirteen services. All thirteen services have produced infographics; key documentation for all stakeholder groups identified at the start of the project. Depending on their developmental stage, many services are already available within the EOSC, complete with codes in GitHub and supporting guidelines. Those that have been used by Citizen Observatories within Cos4Cloud also have tutorials, webinars or associated case studies, demonstrating their usability and added value. Each type of documentation / marketing material produced by the services – and by the Cos4Cloud project more generally – will be instrumental in disseminating the final results and outputs of the project; generating stakeholder interest in the short-, medium- and long-term.