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ESRS standards: structure, requirements and link to the CSRD

Master the ESRS standards

ESRS standards: structure, requirements and link to the CSRD

The ESRS standards define precisely what European companies must disclose on sustainability. They turn ESG reporting into a structured, auditable and comparable exercise across Europe.

Published on August 19, 2026

Infographic on the structure and requirements of the European ESRS standards
The essentials in 30 seconds
  • The ESRS (European Sustainability Reporting Standards) are EFRAG's technical standards detailing what to disclose under the CSRD.
  • 12 thematic standards across 3 pillars (E, S, G), built on double materiality.
  • Auditable: data must be verified by a third party, like financial accounts.
  • The draft revised ESRS reduce mandatory datapoints by over 60%.

Understanding what the ESRS are

The ESRS (European Sustainability Reporting Standards) are the European sustainability standards developed by EFRAG. They translate the requirements of the CSRD into a set of technical rules, to harmonize and strengthen the disclosure of environmental, social and governance (ESG) information. For their specific application within the directive, see understanding CSRD ESRS.

Good to know: The ESRS cover 12 thematic standards and introduce mandatory external assurance, a first in the history of European ESG reporting.

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ESRS and CSRD: a common European framework

The ESRS are the operational core of the CSRD, which first broadened non-financial reporting before the Omnibus package significantly narrowed its scope. The CSRD sets the obligation; the ESRS specify the content and method. Each company publishes its ESG information directly in its management report, based on the performance models and indicators dictated by the ESRS.

Structure of the ESRS standards

The ESRS cover three pillars, broken down into 12 standards:

  • Environment (E): climate, biodiversity, water and resource management.
  • Social (S): working conditions, human rights, community relations.
  • Governance (G): strategy, ethics, sustainability governance and value chain.

Each theme requires quantitative (indicators) and qualitative (policies, procedures, controls) information. The cross-cutting standard ESRS 1 sets the general requirements, and companies must justify why some topics are deemed non-material through a double materiality analysis.

Good to know: Double materiality is a central requirement: assessing both the company's impact on its environment and the impact of these issues on its financial performance.

The main reporting requirements

  • Standardized content: each topic has its key indicators and response format.
  • Auditability: data must be verifiable by an external auditor, like financial data.
  • Granularity: the first datasets held several hundred data points, reduced by over 60% in the draft revised ESRS.
  • Double materiality: no data can be omitted without formal justification.
  • Integration into management: ESG reporting becomes a genuine steering tool.

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Preparing to implement the ESRS

Compliance needs solid governance, integrated data collection and transparent traceability: leadership commitment, a double materiality analysis, structured ESG data covering subsidiaries and the supply chain, and quality control with documented evidence for the external audit. For SMEs or companies not yet in scope, these requirements serve as a reference to build coherent voluntary reporting.

How the ESRS fit with other frameworks

The ESRS do not replace existing frameworks (GRI, SASB, ISO 26000, CDP) but seek to align them, so companies can reuse already-collected data. A centralized ESG management platform keeps this data consistent, automates the double materiality work and standardizes deliverables for audit and external communication, feeding overall non-financial reporting.

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ESRS standards: key takeaways

Key elementIn short
DefinitionThe ESRS are the technical sustainability standards detailing CSRD obligations.
ObjectiveHarmonize, strengthen and audit European companies' ESG reporting.
Structure12 thematic standards across the three ESG pillars.
SpecificsDouble materiality, mandatory external audit, integration into the management report.
For SMEsA chance to anticipate customer requirements and structure a solid ESG approach.

FAQ

What are the ESRS?
The European Sustainability Reporting Standards, developed by EFRAG, are the technical standards that detail what companies must disclose under the CSRD, across 12 topics in the environment, social and governance pillars.
What is the difference between the ESRS and the CSRD?
The CSRD is the directive that sets the obligation; the ESRS are the standards that specify the content and method of reporting. In short, the CSRD says "you must report", the ESRS say "here is exactly what and how".
How many ESRS standards are there?
Twelve thematic standards across three pillars (environment, social, governance), plus cross-cutting standards (ESRS 1 and 2) that set the general requirements and disclosures.
Are the ESRS mandatory for SMEs?
Unlisted SMEs are not directly bound, but the ESRS serve as a reference to prepare voluntary reporting and answer the data requests of CSRD-bound customers. The VSME standard offers a lighter version.

Table of contents

Understanding what the ESRS are
ESRS and CSRD: a common European framework
Structure of the ESRS standards
The main reporting requirements
Preparing to implement the ESRS
How the ESRS fit with other frameworks
ESRS standards: key takeaways
FAQ

CSRD - Introduction and Practical Guide

🇬🇧 This guide in English provides information on how CSRD works as well as practical advice.

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