Across Europe, sustainability reporting is entering a new phase.
For years, regulatory momentum has pushed companies towards greater transparency, culminating in the introduction of the Corporate Sustainability Reporting Directive (CSRD) and its associated European Sustainability Reporting Standards (ESRS). These frameworks were designed to bring consistency, comparability and accountability to how organisations disclose their environmental and social impact.
But as the regulatory landscape evolves, so too does its scope.
The latest move by the European Financial Reporting Advisory Group (EFRAG) to engage with large companies on a voluntary sustainability reporting standard signals a subtle yet important shift. It reflects a recognition that, even as mandatory requirements narrow, the demand for ESG transparency continues to expand.
A Gap Emerging in the Reporting Landscape
Recent regulatory changes have significantly reshaped the sustainability reporting landscape in Europe.
Under the EU’s Omnibus simplification initiative, the number of companies required to comply with mandatory ESRS reporting has been reduced, with thresholds focusing obligations on the largest organisations.
This has created a new category of businesses. Companies that are too large to be considered SMEs, yet now fall outside the scope of mandatory reporting.
EFRAG’s response is to bring these organisations back into the conversation, not through regulation, but through engagement.
The organisation has launched an initiative inviting large, non-SME companies, alongside investors, auditors and other stakeholders, to help shape a new voluntary reporting framework.
This is not simply consultation. It is an attempt to build a standard that reflects how sustainability reporting functions in practice, across real supply chains, capital markets and operational environments.
From Obligation to Market Expectation
What makes this development notable is not the introduction of another framework, but the shift in logic behind it.
Sustainability reporting is no longer driven solely by regulation. It is increasingly shaped by market demand.
Investors, lenders and business partners continue to request ESG data, regardless of whether a company falls within regulatory scope. In many cases, access to capital, supply chain participation and commercial partnerships now depend on the ability to provide credible sustainability information.
EFRAG’s voluntary standard is designed to respond to this reality.
Building on the earlier voluntary framework developed for SMEs, the new standard aims to create a structured, consistent approach for companies that are not legally required to report, but are still expected to do so by the market.
In effect, it acknowledges that ESG reporting has moved beyond compliance. It has become a commercial necessity.
Simplification Without Dilution
At the same time, the broader direction of EU policy has been towards simplification.
EFRAG’s revised ESRS proposals have already reduced reporting complexity, including a significant cut in mandatory data points and a more principles-based approach to disclosures.
The voluntary standard extends this philosophy.
Rather than replicating the full weight of regulatory reporting, it is expected to offer a more proportionate framework, one that balances usability with credibility. The aim is not to dilute ESG reporting, but to make it accessible and practical for a wider range of companies.
This balance is critical.
Too much complexity risks disengagement. Too little structure risks inconsistency. The success of voluntary reporting will depend on finding a middle ground that maintains trust while reducing burden.
Reframing the Role of Reporting
What emerges from this shift is a broader redefinition of sustainability reporting itself.
It is no longer a static exercise tied to annual disclosures. It is becoming an ongoing dialogue between companies and the ecosystems they operate within, from investors and regulators to suppliers and customers.
EFRAG’s engagement initiative reflects this transition.
By involving companies directly in the development of the voluntary standard, it moves reporting away from a purely top-down model towards something more iterative, shaped by real-world use cases and evolving expectations.
A More Flexible, but More Demanding Future
The introduction of voluntary sustainability reporting for large companies does not signal a retreat from ESG accountability.
If anything, it suggests the opposite.
As regulatory requirements narrow, expectations are shifting into the market itself. Companies may face fewer formal obligations, but greater scrutiny from investors, partners and stakeholders who continue to rely on sustainability data to inform decisions.
In this environment, the distinction between mandatory and voluntary begins to blur.
Reporting becomes less about compliance and more about credibility.
And for many organisations, the question is no longer whether they have to report, but whether they can afford not to.

