The results of a survey of bibliometric and altmetric end-users run between Feb-Mar 2018 inviting them to suggest ways in which suppliers of bibliometric and altmetric data might improve their services. There were 42 respondents and 149 data points. Data include tools regularly used by respondents, demographic data and the free-text comments. The data have been coded and analysed. The data have been written up at Gadd, E.A. & Rowlands, I. (2018) How can bibliometric and altmetric vendors improve? Messages from the end-user community. Insights Journal. [In Press]