This document discusses establishing participatory models for quality assurance in community work. It describes national demonstration projects in Germany between Deutsche AIDS-Hilfe and Gesundheit Berlin, funded by the Federal Center for Health Education and Ministry for Education and Research. The projects focus on participatory quality development rather than evaluation. Key components include skill-building workshops, a methods handbook, individualized consulting, peer review processes, and criteria developed with community-based organizations. The goal is an ongoing process of improvement through participation of target groups and frontline workers in decision making.