This document summarizes the key success factors for "Beyond GDP" indicators being used effectively in policymaking. It identifies four main categories of success factors: indicator factors, relationship factors, user factors, and policy/context factors. For each category, it outlines several specific factors based on research from the BRAINPOoL project, including the importance of indicator salience, legitimacy, credibility; engaging stakeholders; building user capacity; and supportive policy environments. The full report provides additional details on 16 indicator initiatives and is available online.