ESMA Issues New Guidance on Sustainability Claims
The European Securities and Markets Authority published thematic notes to curb misleading greenwashing practices.
Updated on Oct. 15, 2026 in Investing
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The European Securities and Markets Authority has issued new guidance requiring market participants to substantiate sustainability claims with clear facts and processes. The move aims to prevent misleading communications regarding impact and transition-related investment claims.
Why it matters
Investors are currently at risk of being misled by vague, cherry-picked, or omitted information in sustainability marketing. This guidance provides a framework to ensure transparency as firms face growing pressure to report on their decarbonization progress.
The European Securities and Markets Authority released 2 thematic notes addressing investor sustainability claims. This follows the application of the Empowering Consumers for the Green Transition Directive earlier this year.
The players
European Securities and Markets Authority
This is the primary financial regulatory institution of the European Union that works to protect investors and maintain stable financial markets.
The details
Market participants are now instructed to ensure all terminology and imagery used in communications are consistent with the actual sustainability profile of an entity. Firms must also disclose assumptions and reasons for any deviations from their stated transition trajectories.
Timeline
The European Securities and Markets Authority published two thematic notes in October 2026.
The Empowering Consumers for the Green Transition Directive applied in the EU in September 2026.
Market Dynamics
This guidance acts as a regulatory bridge for the Empowering Consumers for the Green Transition Directive, which seeks to standardize environmental claims across the European Union. These measures signal a shift toward stricter scrutiny of corporate sustainability profiles as firms transition to low-carbon operations.
Retail investors can expect more transparency regarding the sustainability profiles and transition goals of the assets they hold. This framework helps investors avoid assets that engage in greenwashing, allowing for better-informed portfolio allocation decisions.
The takeaway
Investors should look for evidence-based disclosures rather than relying solely on marketing imagery or vague green terminology. Verifying that a firm explicitly details its transition assumptions can help distinguish authentic sustainability progress from misleading claims.
Further reading
Learn more about evolving market standards in our Investing section.
Source note: This article includes information reported by IPE.
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