Introduction In practice, Ireland’s environmental, social and governance (ESG) compliance picture centres on Irish implementation and enforcement of EU regulation. The EU ESG regime is comprised of a combination of intersecting disclosure, due diligence, product and consumer-protection instruments rather than a single ‘ESG law.’ In practice, execution risk is driven by: • mandatory corporate reporting, for entities that remain in scope following the Stop-the-clock and Omnibus I amendments, led by the Corporate Sustainability Reporting Directive (CSRD) and European Sustainability Reporting Standards (ESRS) • financial market transparency under the Sustainable Finance Disclosure Regulation (SFDR) and EU Taxonomy • value-chain controls under the narrowed, Omnibus-amended Corporate Sustainability Due Diligence Directive (CS3D), for very large in-scope companies, together with ‘trade-gate’ measures like deforestation and forced-labour prohibitions, and • claims or marketing scrutiny through consumer law and supervisory expectations around ESG labels and fund names The EU regime is implemented in Ireland through Irish company law, consumer protection and sectoral regulators, with enforcement split across corporate reporting, consumer/competition law, financial supervision and environmental regulation. The practical implementation risk is