Common Approach to Impact Measurement (Common Approach) is working towards better impact measurement for social purpose organizations. By developing flexible, community-driven standards, our aim is to change the underpinnings of impact measurement. Common Approach is committed to refocusing impact measurement on the needs of operating charities, nonprofits, social-purpose businesses, and those they serve. Common Approach is four community-driven standards: Common Foundations, Common Impact Data Standard, Common Framework and Common Form.