From Impact Valuation to Investing for Purpose presents the impact assessment methodology used by Wilstar AS to evaluate its social investment portfolio. Using a combination of financial and societal metrics, including DALY/QALY-based well-being indicators and the Health Utility of Income (HUI), the report quantifies the social value created by Wilstar’s philanthropic investments. Covering projects across Europe, Asia, and Africa, the study introduces integrated value reporting to align financial results with social and environmental outcomes. It also offers strategic insights for investors aiming to optimize their impact through more consistent and comparable valuation methods.