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CSRD and the EU Taxonomy: how they connect

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CSRD and the EU Taxonomy: how they connect

The EU Taxonomy and the CSRD are linked but distinct. Post-Omnibus, taxonomy reporting is reserved to the largest companies, with a voluntary opt-in and several simplifications.

Published on August 26, 2026

Diagram linking the CSRD and the EU Taxonomy reporting.
The essentials in 30 seconds
  • The EU Taxonomy classifies economically sustainable activities; the CSRD is the reporting directive — they are linked but distinct.
  • Post-Omnibus, taxonomy reporting is reserved to companies with more than 1,000 employees and over €450M net turnover.
  • Companies above 1,000 employees but with turnover ≤ €450M can report on a voluntary opt-in basis, in a simplified form.
  • Simplifications include a financial-materiality exemption below 10% and lighter templates.

Taxonomy and CSRD: two connected tools

The EU Taxonomy is a classification of environmentally sustainable activities; the CSRD is the directive requiring sustainability disclosure. Companies in scope report their taxonomy-eligible and taxonomy-aligned turnover, CapEx and OpEx as part of their CSRD reporting.

Who must report taxonomy KPIs post-Omnibus?

Taxonomy reporting is now reserved to companies above the CSRD thresholds — more than 1,000 employees and over €450M net turnover. Companies above 1,000 employees but with turnover at or below €450M can report on a voluntary opt-in basis, in a simplified format (turnover and CapEx, with OpEx optional).

Good to know: The scope and opt-in come from the directive (transposition expected in 2027), while the technical simplifications come from a separate delegated regulation already applicable for the 2025 financial year.

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The simplifications introduced

To ease the burden, the reform introduced a financial-materiality exemption (activities below 10% can be exempt), lighter reporting templates (a large cut in datapoints) and an optional OpEx KPI. These reduce the effort while keeping the core turnover and CapEx indicators.

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CSRD and Taxonomy — Key Takeaways

Key pointExplanation
RelationshipTaxonomy classifies activities; CSRD is the reporting directive
Who reportsMore than 1,000 employees and over €450M net turnover
Opt-in>1,000 employees but ≤ €450M: voluntary, simplified
SimplificationsMateriality exemption below 10%, lighter templates, optional OpEx

FAQ

Is the EU Taxonomy the same as the CSRD?
No. The Taxonomy classifies sustainable activities; the CSRD is the directive requiring disclosure, which includes taxonomy KPIs for companies in scope.
Who must report taxonomy KPIs after the Omnibus?
Companies with more than 1,000 employees and over €450M net turnover; others above 1,000 employees can opt in voluntarily.
What taxonomy KPIs are reported?
The share of turnover, CapEx and (optionally) OpEx that is taxonomy-eligible and taxonomy-aligned.
What did the reform simplify?
A financial-materiality exemption below 10%, lighter templates and an optional OpEx KPI.

Table of contents

Taxonomy and CSRD: two connected tools
Who must report taxonomy KPIs post-Omnibus?
The simplifications introduced
CSRD and Taxonomy — 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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