Handling large datasets requires Power BI development companies to employ scalable solutions. They optimize data models by aggregating data, partitioning tables, and enabling incremental refresh for updates. Advanced statistical computations are offloaded to platforms like Azure Synapse or SQL databases, ensuring efficiency. Power BI development company use statistical sampling techniques to manage processing loads while maintaining data integrity. Dashboards present aggregated results dynamically, allowing clients to explore trends and patterns interactively. These strategies enable businesses to analyze vast datasets effectively without compromising performance or accuracy.