This guide outlines the preparatory steps necessary for companies to comply with the Corporate Sustainability Reporting Directive (CSRD). It discusses the implications of the CSRD, which mandates over 40,000 companies to disclose various sustainability metrics by 2026. The document emphasizes that the process involves extensive data management and collaboration, highlighting the importance of a company-wide approach to compliance. It provides actionable advice distilled from expert panel discussions and is divided into six chapters, covering topics such as building a CSRD team, conducting a double materiality assessment, and preparing for audits. Each chapter draws on insights from industry specialists, detailing best practices for data collection, stakeholder engagement, and report preparation. The guide also addresses potential pitfalls and emphasizes the need for a strategic mindset, viewing compliance as an opportunity to enhance business practices and decision-making in sustainability.