Data harmonization involves integrating and standardizing data from diverse sources to create a consistent, accurate, and comprehensive dataset. In the context of corporate strategy, data harmonization plays a crucial role by enabling organizations to make informed, strategic decisions based on reliable data. Harmonized data allows companies to identify trends, optimize operations, ensure regulatory compliance, and enhance sustainability reporting. This is particularly important for environmental regulation, where companies must aggregate data from various units and regions to monitor emissions, resource use, and waste management consistently. Effective data harmonization supports transparency and accountability, helping corporations align their strategies with environmental goals and stakeholder expectations. Ultimately, integrating harmonized data into corporate strategy improves risk management, drives innovation, and strengthens competitive advantage in an increasingly data-driven and regulation-focused business environment.