Company-community relationships are increasingly seen as vital tools for promoting local development. These relationships often take the form of provisions for income distribution, local investments, environmental protection, and socio-economic development. Historically perceived as transactional, the substantial financial commitments highlight their potential for significant community impact. However, there is a pressing need for robust evaluation systems to measure the socio-economic outcomes of these investments. Data from 42 mining companies reveals inconsistencies in howCommunity and Social Investment (CSI) Community and Social Investment (CSI) are defined and reported. From 2018 to 2022, CSI-to-EBITDA ratio varied between 0.1 and 4.7%. While CSI-to-Revenue ratio varied between 0.01% and 1.97%. Significant events, like the Brumadinho dam disaster and the COVID-19 pandemic, influenced these investments. However, detailed reporting on CSI projects remains limited, with inconsistencies in the types of projects funded and their impacts. This underscores the need for improved transparencyTransparency and evaluation to ensure these investments effectively contribute to local development.