CSRD and ESRS

The European Commission’s Corporate Sustainability Reporting Directive proposal of 21 April 2021 would expand EU non-financial reporting to nearly 50,000 companies, mandating EFRAG sustainability standards, limited assurance, and digital tagging by 2024–2026.

Kodi C.

Editor & Research Lead

Editorially reviewed for factual accuracy

Governance, ESG, and board reporting briefings

On 21 April 2021 the European Commission proposed the Corporate Sustainability Reporting Directive (CSRD) to replace and expand the Non-Financial Reporting Directive (NFRD). The CSRD extends mandatory sustainability disclosures to all large EU companies (meeting two of three thresholds: 250 employees, €40 million turnover, €20 million balance sheet) and all EU-listed companies, including SMEs except listed micro-enterprises. It requires reporting in management reports according to EU sustainability reporting standards developed by EFRAG, mandates limited assurance, and introduces digital XBRL tagging. Compliance begins with financial years starting 1 January 2024 for companies already under NFRD, with staged timelines for other large companies and listed SMEs.

Scope expansion and double materiality

The CSRD dramatically increases coverage from roughly 11,000 to nearly 50,000 entities. Non-EU companies with significant EU presence (net turnover >€150 million and at least one large or listed EU subsidiary or branch) must also report on ESG impacts at the consolidated level. Reporting follows the double materiality principle: companies disclose how sustainability issues affect their performance, position, and development (financial materiality) and how their activities impact people and the environment (impact materiality). Teams must implement materiality assessment frameworks incorporating stakeholder engagement, value chain analysis, and scenario planning to justify disclosures.

Reporting content requirements

Article 19a specifies disclosures on business model resilience, strategy compatibility with the Paris Agreement and EU Green Deal, sustainability targets, governance roles (board oversight, management incentives), policies, due diligence processes, and indicators related to environmental, social, and human rights matters. Companies must detail transition plans, alignment with the EU Taxonomy (turnover, CapEx, OpEx), and forward-looking information on climate, biodiversity, resource use, workforce, diversity, and anti-corruption.

EU sustainability reporting standards

EFRAG (European Financial Reporting Advisory Group) was tasked with drafting sector-agnostic and sector-specific standards, in coordination with global initiatives (GRI, SASB, TCFD). Companies must monitor EFRAG’s exposure drafts (released 2022) and implement data collection systems aligned with final standards. Expect granular metrics for Scope 1–3 greenhouse gas emissions, workforce composition (gender, age, contract type), collective bargaining coverage, pay gap analysis, supply chain due diligence, and community impacts.

Assurance and internal control

Limited assurance mandate. Statutory auditors or independent assurance providers must express a conclusion on the compliance of sustainability reporting with EU standards. The Commission may later upgrade to reasonable assurance.
Internal control frameworks. Companies need strong data governance, controls, and audit trails similar to financial reporting. This includes segregation of duties, system access management, validation checks, and documentation for non-financial KPIs.
Audit committee oversight. Audit committees must monitor sustainability reporting processes, control effectiveness, and assurance outcomes. Governance charters should be updated to reflect new responsibilities.

Digital reporting and accessibility

CSRD requires reporting within the management report using the European Single Electronic Format (ESEF) with XHTML and XBRL tagging aligned to a sustainability taxonomy. Companies must upgrade reporting systems to support tagging, version control, and validation. Investor relations portals should provide machine-readable reports and ensure accessibility compliance. Coordinate with finance teams responsible for ESEF financial statements to integrate sustainability data pipelines.

Value chain coverage

Disclosures extend beyond own operations to value chains. Companies must map suppliers, downstream partners, and subsidiaries to capture Scope 3 emissions, human rights risks, and social impacts. Implement due diligence processes aligned with the forthcoming EU Corporate Sustainability Due Diligence Directive (CSDDD) and OECD Guidelines. Supplier questionnaires, data-sharing agreements, and site assessments should be embedded in procurement policies.

What this means for governance

Boards need to integrate sustainability oversight into strategy and risk management. Remuneration policies should link executive pay to ESG targets where material. Governance frameworks must ensure alignment between sustainability committees, risk committees, and audit committees. Training for directors and senior management on CSRD obligations and climate scenario analysis is critical.

How to implement this

Gap assessment. Compare existing NFRD or voluntary reporting against draft EFRAG standards to identify data gaps, control weaknesses, and system requirements.
Data architecture. Build centralized ESG data platforms aggregating information from HR, supply chain, environmental monitoring, and finance. Implement data quality rules, lineage tracking, and audit logs.
Policy updates. Revise codes of conduct, supplier codes, and risk management policies to reflect CSRD reporting metrics and double materiality considerations.
Assurance readiness. Engage auditors early to align on scope, evidence expectations, and sampling methodologies. Document control narratives and test designs.
Stakeholder communication. Develop investor communications explaining transition plans, taxonomy alignment progress, and climate targets to manage expectations.

Timeline and phased application

Financial years starting 1 January 2024 (reports published 2025): companies already subject to NFRD (large public-interest entities with >500 employees).
Financial years starting 1 January 2025 (reports 2026): other large EU companies.
Financial years starting 1 January 2026 (reports 2027): EU-listed SMEs, with an opt-out until 2028. Non-EU companies meeting the threshold must report from 2028 for FY2027.

Interaction with other EU initiatives

CSRD complements the EU Taxonomy Regulation, Sustainable Finance Disclosure Regulation (SFDR), and Capital Requirements Directive climate risk expectations. Financial institutions rely on corporate CSRD disclosures to satisfy SFDR and Pillar 3 climate reporting, increasing pressure on corporates to deliver high-quality data. Companies must coordinate with investors to ensure taxonomy KPIs and climate scenario analyzes align.

Risks and enforcement

Member States will establish penalties for non-compliance, including fines and public notices. National competent authorities will review reports, while ESMA monitors enforcement consistency. Reputation risks from inadequate disclosures or assurance qualifications are high; companies should establish escalation processes for incidents and restatements.

Action checklist for compliance leaders

Set up cross-functional CSRD steering committees involving sustainability, finance, legal, IT, HR, and procurement.
Initiate double materiality assessments with stakeholder interviews, scenario analysis, and value chain mapping.
Invest in ESG data platforms and workflow tools capable of capturing taxonomy KPIs, emissions, workforce metrics, and due diligence findings.
Align internal audit plans to review sustainability data controls and assurance readiness.
Engage with EFRAG consultations and industry associations to shape sector-specific standards.

Advised: on CSRD readiness by designing data architectures, double materiality methodologies, and assurance controls that withstand regulator and investor scrutiny.

Support for SMEs and phased adoption

The Commission proposes proportionate standards for listed SMEs with simplified disclosure requirements, focusing on key sustainability indicators. SMEs may use voluntary standards to respond to value-chain requests from larger customers. Corporates should design supplier engagement programs that assist SMEs with data collection templates, training, and digital tools, reducing reporting burden while improving data quality.

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Documentation

Proposal for a Corporate Sustainability Reporting Directive — European Commission
Sustainable finance package: Commission proposes new Corporate Sustainability Reporting Directive — European Commission
ISO 37000:2021 — Governance of Organizations — International Organization for Standardization

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