During the 8th SIMBA Consortium meeting, which was held in Frederiksberg, Denmark, several issues related to the study of microbiome systems were explored. During the session of Wednesday 27.9.2023: "Synergies and complementarities with European projects and RI " (13.45 to 16.00 ) several projects and research infrastructures related to the project were presented including METROFOOD-RI: "Infrastructure for promoting metrology in food and nutrition" a distributed-Research Infrastructure for promoting Metrology in Food and Nutrition, which will provide high level metrology services for enhancing food quality & safety and supporting the traceability and sustainability of the agrifood systems, in a view of circular economy.