Objectives: To clarify the current status of education and training at home-visit nursing service agencies, and to compare them by size.Methods: A convergent mixed method design was employed to analyze national administrative data of home-visit nursing service agencies in Tokyo in 2015. The categories regarding the training institution and its themes were created based on the detailed description of the training. For qualitative analysis, the corresponding analysis was conducted for the size of the agencies, and the utilization rate and scale of training for each theme were analyzed quantitatively. The qualitative and quantitative results were then integrated.Results: A total of 311 agencies were included in the analysis. Eight categories for training institutions, such as "medical institutions", were identified among the medium-sized agencies, with the smaller agencies having higher utilization rates. Among the 38 categories for training themes, "psychiatric nursing" and "child health nursing" were found among medium-sized or larger agencies. Moreover, larger agencies had higher utilization rates of training for these themes.Conclusions: We identified the training institutions and the themes of the home-visit nursing service agencies in Tokyo. Home-visit nursing service agencies used many training institutions, regardless of size, whereas the themes were related to agency size.