Geospatial impact evaluations offer deeper insights but also come with their unique set of challenges. As part of the GeoField community of practice, we are finding ways to unpack and address these by collaborating with individuals and organizations working across sectors. To that end, 3ie, AidData, and DevGlobal recently co-hosted a workshop with GIS experts to address key issues and best practices in response to technical questions received from participants before and during the session.