This document summarizes a presentation on embedding anti-corruption due diligence in procurement. Corruption distorts markets, increases costs, undermines rule of law, and hinders economic growth. Procurement anti-corruption due diligence ensures integrity in procurement processes and supplier relationships. It should be aligned with corporate strategy and risk management. Due diligence investigates suppliers through company registry checks, politically exposed persons databases, litigation records, site visits, and reputation testing. Red flags that require further review include suppliers on watchlists, involvement in legal issues like fraud, and negative media reports. Due diligence benefits include enhancing reputation, risk management, and cost efficiency.