DM-SIMM: A Funder’s Guide to Reflect, Learn, and Act on Social Impact

Across the social sector, impact measurement is often reduced to reporting numbers, meeting donor requirements, and proving results. In the process, opportunities for learning, adaptation, and meaningful decision-making are frequently lost. This guide explores how funders can rethink Social Impact Measurement and Management (SIMM) to prioritise continuous learning over compliance. Drawing on research, practitioner insights, and real-world examples, it offers practical ways to make measurement more useful, participatory, and responsive to the realities of implementation. The guide highlights the critical role of funders in shaping incentives, creating space for reflection, and enabling organisations to act on evidence. Ultimately, it presents a vision of impact practice that helps organisations learn, adapt, and stay focused on the change they seek to create.
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