EU Adopts VSME: What the Omnibus Sustainability Standard Means for Your Firm
The European Commission has formally adopted the Voluntary Sustainability Reporting Standard for SMEs, commonly called the VSME, as part of its Omnibus legislative package. For accounting firms and CFOs across the EU, the timing matters: the standard arrives alongside a legally binding value-chain cap that limits what larger companies subject to the Corporate Sustainability Reporting Directive can ask of smaller suppliers. That cap is not a suggestion. It is enforceable, and it redraws the information-sharing landscape for thousands of business relationships overnight.
What the VSME Standard Actually Is
The VSME was developed by the European Financial Reporting Advisory Group, known as EFRAG, specifically for non-listed small and medium-sized entities that fall outside the CSRD's mandatory scope. It is a voluntary framework, but the Commission's recommendation gives it significant practical weight by tying it directly to the value-chain cap mechanism.
Scope and eligibility
Under the current CSRD thresholds, an SME sits outside the directive's mandatory scope if it does not exceed two of three size criteria at the reporting date for two consecutive financial years. The exact employee threshold remains under legislative discussion, with an initial proposal of 1,000 employees, though this figure has not yet been finalised by EU legislative bodies. Non-listed SMEs and micro-undertakings are the primary audience. However, certain larger companies and listed SMEs that will no longer be required to apply the full European Sustainability Reporting Standards after the Omnibus revisions are adopted may also use the VSME as an interim measure while the permanent voluntary standard is developed.
What the standard requires companies to report
A company applying the VSME must provide relevant information covering two directions of impact. First, its own impacts on people and the environment. Second, the ways environmental and social factors affect its financial position, performance, and cash flows across short, medium, and long time horizons. This double materiality framing mirrors the logic embedded in the full ESRS, scaled appropriately for smaller entities.
The Value-Chain Cap: A Legally Binding Ceiling
This is the most consequential element for accounting advisers. The Omnibus package introduces a value-chain cap that restricts the sustainability information a large CSRD-reporting company may request from smaller companies in its supply chain. The VSME standard defines the ceiling. If a larger company asks for data that goes beyond what the VSME covers, it is asking for more than the law permits.
Why this changes client conversations now
Many mid-market clients have been fielding sustainability questionnaires from larger customers and investors for years, with little standardisation and no clear legal basis for refusing. The value-chain cap changes that dynamic. Smaller clients can now point to the VSME boundary as the limit of their reasonable disclosure obligation. Accounting firms that help clients document and apply the VSME correctly are, in effect, providing a legal shield against data overreach by larger counterparties.
The revised ESRS, to which the cap aligns, are expected to apply from financial year 2027, with reporting due in 2028. There is a possibility of early application for FY26, with reporting in 2027, though this remains subject to final legislative confirmation. Firms advising clients should build their ESG disclosure roadmaps around these dates now rather than waiting for absolute certainty.
Interim Status and the Road to a Permanent Standard
The Commission is explicit that the VSME recommendation is a temporary measure. A permanent voluntary sustainability reporting standard is in development. EFRAG had drafted the groundwork and public consultation was originally expected in Q1 2025, though timing continues to depend on the progress of the broader Omnibus proposals to amend the ESRS. The Commission's intention is for the eventual permanent standard to serve the same value-chain cap function.
What "interim" means for planning purposes
Interim does not mean irrelevant. Companies that adopt the VSME now and build their data collection processes around it are positioning themselves to transition to the permanent standard with minimal disruption. Those that wait risk a double migration: first scrambling to respond to customer requests on an ad hoc basis, then rebuilding processes again when the permanent standard lands. The smarter path is to treat the VSME as a foundation, not a stopgap.
Accounting and Reporting Implications for Firms
For accounting firms, the VSME introduces a new advisory lane that sits alongside, and in some cases intersects with, existing financial reporting work. The double materiality lens the standard applies means sustainability disclosures cannot be prepared in isolation from financial statements. The effects of environmental and social risks on cash flows and financial position must be assessed and disclosed. That is accounting work, not just ESG communications.
Integration with crypto financial statements and digital asset clients
Firms advising clients who hold digital assets face a layered reporting environment. Crypto financial statements prepared under IFRS already require careful classification and measurement judgements, particularly following the IASB's guidance on holdings of cryptocurrencies and the ongoing discussion around bitcoin treasury accounting under ASC 350-60 and GAAP. The VSME adds a sustainability disclosure layer on top. Clients holding digital assets who also participate in value chains with larger CSRD-reporting entities will need to consider whether their token holdings, energy consumption from on-chain activity, or exposure to crypto market volatility creates material sustainability-related financial risks that the VSME requires them to disclose.
This is not hypothetical. A company mining or staking crypto assets uses energy. A treasury holding volatile digital assets faces financial position effects. Under the VSME's double materiality framing, those effects may well be disclosable. Accounting firms should build this analysis into their client intake and annual review processes.
Systems, controls, and gap assessment
The Commission itself recommends that companies prepare a gap assessment as a first step: identifying what sustainability-related information they already collect, where gaps exist, and whether systems, processes, and controls need to change. For accounting firms, this gap assessment is a natural service offering. The work maps closely onto the internal controls and data governance reviews that good practitioners already undertake for financial reporting purposes.
Digital asset accounting software and broader enterprise reporting systems will need to accommodate ESG data fields alongside traditional financial data if clients are to meet the VSME's requirements efficiently. Firms that can advise on integrated reporting infrastructure, rather than treating financial and sustainability data as separate streams, will be better placed as mandatory timelines tighten. The growing regulatory scrutiny that ESMA is applying to digital innovation, including its approach to tokenisation as a supervisory priority from 2027, underlines that the reporting environment for technology-exposed clients is becoming more complex, not less.
Practical Steps for Accounting Firms Right Now
The VSME adoption is live. The value-chain cap is binding. Waiting for the permanent standard before acting is not a sound strategy. Three priorities stand out for firms advising EU-based SME clients.
Identify which clients are affected
Not every SME client needs to act immediately, but any client that supplies goods or services to a large CSRD-reporting company is in scope for potential information requests. Mapping client supply chain relationships against the CSRD's in-scope universe is the starting point. This includes clients in sectors where digital asset activity intersects with supply chains, such as technology, financial services, and logistics.
Run the gap assessment early
A structured gap assessment now, before information requests arrive, puts clients in a far stronger position than a reactive scramble. The assessment should cover current data collection practices, materiality of sustainability impacts in both directions, and the adequacy of existing controls. Firms that complete this work early can also use it to inform the financial statement disclosures their clients are already required to make under IFRS or national GAAP equivalents.
Monitor the permanent standard's development closely
The Commission has signalled that the permanent voluntary standard may differ from the VSME. Firms should track EFRAG's public consultation process as it progresses and flag to clients that a transition may be required. Building that expectation into engagement letters and advisory plans now avoids difficult conversations later.
Frequently Asked Questions
Is the VSME mandatory for EU SMEs?
No. The VSME is a voluntary standard. However, SMEs that supply larger CSRD-reporting companies will face pressure to report under it because the value-chain cap means the VSME defines the maximum information those larger companies can legitimately request. In practice, voluntary often functions as de facto required.
How does the value-chain cap work in legal terms?
The Omnibus package introduces the cap as a legally binding limit. A large company subject to the CSRD cannot request sustainability information from a smaller supplier that goes beyond the scope of the VSME standard. If it does, it is overstepping what the law permits. Smaller companies can use this cap as a basis for declining excessive requests.
When do the revised ESRS apply, and how does that affect VSME timing?
The revised ESRS are expected to apply from financial year 2027, with reporting in 2028. There may be an option to apply them from FY26 with reporting in 2027, subject to final legislative confirmation. The VSME is an interim measure until the Commission adopts a permanent voluntary standard, whose timing depends on the progress of the Omnibus proposals.
Do digital asset holdings create VSME disclosure obligations?
Potentially yes. The VSME requires disclosure of how environmental and social issues affect a company's financial position, performance, and cash flows. A company with material crypto holdings that create financial volatility, or whose digital asset operations involve significant energy use, may need to assess whether those factors are material under the VSME's double materiality framework.
What should accounting firms do first?
Start by mapping which clients supply large CSRD-reporting entities, then run a gap assessment for those clients to identify existing data, missing controls, and system requirements. Build monitoring of the permanent voluntary standard's development into your regulatory watch process. The sooner clients have clean, auditable sustainability data, the better positioned they will be when information requests arrive.
Source: KPMG Digital Assets