This document is a guide on supplier management, outlining processes for performance management and information management within the Promena platform. It describes the systematic onboarding of suppliers, emphasizing the importance of centralized supplier information and category-based management. The guide explains how to track supplier compliance through automated checks and reminders, allowing for efficient monitoring of documents. The platform enables continuous measurement of supplier service quality by utilizing custom scoring structures and performance assessments. Additionally, it addresses the management of Environmental, Social, and Governance (ESG) performance, detailing how category-based surveys and document verification enhance ESG data collection. The guide also discusses the importance of early risk identification through AI monitoring, enabling proactive action planning. Furthermore, it details the process for managing corrective and preventive actions effectively to support continuous improvement and problem-solving.