The European Securities and Markets Authority (ESMA) has introduced two significant regulatory developments aimed at enhancing the integrity of ESG data and sustainability reporting across the EU. New draft rules target ESG ratings providers with stricter transparency and conflict-of-interest requirements, while updated guidelines bolster enforcement of sustainability disclosures, signaling a new era of accountability for EU issuers.

Regulating ESG Ratings Providers

Following the adoption of the ESG Rating Regulation in late 2024, ESMA’s draft Regulatory Technical Standards (RTS) impose rigorous requirements on ESG ratings providers. Firms must obtain authorization, disclose methodologies and data sources, and implement safeguards against conflicts of interest, particularly when offering advisory services alongside ratings. The rules allow such services only if providers maintain robust operational separation, beyond superficial measures. A public consultation on the RTS is open until June 20, 2025, with ESMA’s final report due by October 2025.

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Enhancing Sustainability Disclosure Enforcement

ESMA’s new Guidelines on Enforcement of Sustainability Information align sustainability reporting oversight with financial reporting standards. National authorities are tasked with strengthening compliance with the Corporate Sustainability Reporting Directive (CSRD) and EU Taxonomy Regulation. The risk-based approach prioritizes greenwashing and double materiality, with ESMA coordinating EU-wide enforcement to ensure consistency. Prompt corrective actions, such as reissuing statements, are mandated for intentional misstatements, regardless of materiality.

Implications for EU Issuers

The new frameworks increase scrutiny on companies’ ESG data and reporting processes. Boards and executives must strengthen internal governance and audit controls to align with regulatory expectations. The focus on transparency and harmonized enforcement means firms must integrate ESG strategies with clear, compliant disclosures to avoid penalties and maintain investor trust.

Looking Ahead

These developments mark a pivotal shift toward standardized, transparent ESG practices in the EU. Companies face heightened expectations to align with regulatory definitions and withstand rigorous supervisory reviews. By fostering accountability, ESMA’s rules aim to mitigate greenwashing risks and enhance the credibility of sustainable finance, supporting long-term investor confidence and environmental goals.

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